From bcf6be4c902bda2b2ae16ee018bf223d7bf7b590 Mon Sep 17 00:00:00 2001
From: Lizerui9926 <110582652+Lizerui9926@users.noreply.github.com>
Date: 星期三, 08 二月 2023 19:13:57 +0800
Subject: [PATCH] Merge pull request #74 from alibaba-damo-academy/dev_gzf

---
 funasr/export/models/decoder/__init__.py      |    0 
 funasr/export/__init__.py                     |    0 
 funasr/export/models/e2e_asr_paraformer.py    |  102 ++
 funasr/export/test_onnx.py                    |   20 
 funasr/export/utils/__init__.py               |    0 
 funasr/export/models/modules/feedforward.py   |   31 
 funasr/export/models/predictor/cif.py         |  168 ++++
 funasr/bin/asr_inference_paraformer_vad.py    |  521 +++++++++++++
 funasr/export/models/modules/decoder_layer.py |   43 +
 funasr/export/models/modules/encoder_layer.py |   37 
 funasr/export/README.md                       |   50 +
 funasr/models/encoder/sanm_encoder.py         |    2 
 funasr/export/models/encoder/sanm_encoder.py  |  109 ++
 funasr/export/models/modules/multihead_att.py |  135 +++
 funasr/export/models/encoder/__init__.py      |    0 
 funasr/export/utils/torch_function.py         |   80 ++
 funasr/export/models/decoder/sanm_decoder.py  |  159 +++
 funasr/export/export_model.py                 |  120 +++
 funasr/export/models/__init__.py              |   91 ++
 funasr/export/models/modules/__init__.py      |    0 
 funasr/bin/asr_inference_uniasr_vad.py        |  680 +++++++++++++++++
 funasr/export/test_torchscripts.py            |   17 
 funasr/export/models/predictor/__init__.py    |    0 
 funasr/bin/asr_inference_launch.py            |    9 
 24 files changed, 2,373 insertions(+), 1 deletions(-)

diff --git a/funasr/bin/asr_inference_launch.py b/funasr/bin/asr_inference_launch.py
index d72fd4b..d2798b1 100644
--- a/funasr/bin/asr_inference_launch.py
+++ b/funasr/bin/asr_inference_launch.py
@@ -210,9 +210,18 @@
     elif mode == "uniasr":
         from funasr.bin.asr_inference_uniasr import inference_modelscope
         return inference_modelscope(**kwargs)
+    elif mode == "uniasr_vad":
+        from funasr.bin.asr_inference_uniasr_vad import inference_modelscope
+        return inference_modelscope(**kwargs)
     elif mode == "paraformer":
         from funasr.bin.asr_inference_paraformer import inference_modelscope
         return inference_modelscope(**kwargs)
+    elif mode == "paraformer_vad":
+        from funasr.bin.asr_inference_paraformer_vad import inference_modelscope
+        return inference_modelscope(**kwargs)
+    elif mode == "paraformer_punc":
+        logging.info("Unknown decoding mode: {}".format(mode))
+        return None
     elif mode == "paraformer_vad_punc":
         from funasr.bin.asr_inference_paraformer_vad_punc import inference_modelscope
         return inference_modelscope(**kwargs)
diff --git a/funasr/bin/asr_inference_paraformer_vad.py b/funasr/bin/asr_inference_paraformer_vad.py
new file mode 100644
index 0000000..2cd28cc
--- /dev/null
+++ b/funasr/bin/asr_inference_paraformer_vad.py
@@ -0,0 +1,521 @@
+#!/usr/bin/env python3
+
+import json
+import argparse
+import logging
+import sys
+import time
+from pathlib import Path
+from typing import Optional
+from typing import Sequence
+from typing import Tuple
+from typing import Union
+from typing import Dict
+from typing import Any
+from typing import List
+import math
+import numpy as np
+import torch
+from typeguard import check_argument_types
+
+from funasr.fileio.datadir_writer import DatadirWriter
+from funasr.modules.beam_search.beam_search import BeamSearchPara as BeamSearch
+from funasr.modules.beam_search.beam_search import Hypothesis
+from funasr.modules.scorers.ctc import CTCPrefixScorer
+from funasr.modules.scorers.length_bonus import LengthBonus
+from funasr.modules.subsampling import TooShortUttError
+from funasr.tasks.asr import ASRTaskParaformer as ASRTask
+from funasr.tasks.lm import LMTask
+from funasr.text.build_tokenizer import build_tokenizer
+from funasr.text.token_id_converter import TokenIDConverter
+from funasr.torch_utils.device_funcs import to_device
+from funasr.torch_utils.set_all_random_seed import set_all_random_seed
+from funasr.utils import config_argparse
+from funasr.utils.cli_utils import get_commandline_args
+from funasr.utils.types import str2bool
+from funasr.utils.types import str2triple_str
+from funasr.utils.types import str_or_none
+from funasr.utils import asr_utils, wav_utils, postprocess_utils
+from funasr.models.frontend.wav_frontend import WavFrontend
+from funasr.tasks.vad import VADTask
+from funasr.utils.timestamp_tools import time_stamp_lfr6
+from funasr.bin.punctuation_infer import Text2Punc
+from funasr.bin.asr_inference_paraformer_vad_punc import Speech2Text
+from funasr.bin.asr_inference_paraformer_vad_punc import Speech2VadSegment
+
+
+def inference(
+    maxlenratio: float,
+    minlenratio: float,
+    batch_size: int,
+    beam_size: int,
+    ngpu: int,
+    ctc_weight: float,
+    lm_weight: float,
+    penalty: float,
+    log_level: Union[int, str],
+    data_path_and_name_and_type,
+    asr_train_config: Optional[str],
+    asr_model_file: Optional[str],
+    cmvn_file: Optional[str] = None,
+    raw_inputs: Union[np.ndarray, torch.Tensor] = None,
+    lm_train_config: Optional[str] = None,
+    lm_file: Optional[str] = None,
+    token_type: Optional[str] = None,
+    key_file: Optional[str] = None,
+    word_lm_train_config: Optional[str] = None,
+    bpemodel: Optional[str] = None,
+    allow_variable_data_keys: bool = False,
+    streaming: bool = False,
+    output_dir: Optional[str] = None,
+    dtype: str = "float32",
+    seed: int = 0,
+    ngram_weight: float = 0.9,
+    nbest: int = 1,
+    num_workers: int = 1,
+    vad_infer_config: Optional[str] = None,
+    vad_model_file: Optional[str] = None,
+    vad_cmvn_file: Optional[str] = None,
+    time_stamp_writer: bool = False,
+    punc_infer_config: Optional[str] = None,
+    punc_model_file: Optional[str] = None,
+    **kwargs,
+):
+
+    inference_pipeline = inference_modelscope(
+        maxlenratio=maxlenratio,
+        minlenratio=minlenratio,
+        batch_size=batch_size,
+        beam_size=beam_size,
+        ngpu=ngpu,
+        ctc_weight=ctc_weight,
+        lm_weight=lm_weight,
+        penalty=penalty,
+        log_level=log_level,
+        asr_train_config=asr_train_config,
+        asr_model_file=asr_model_file,
+        cmvn_file=cmvn_file,
+        raw_inputs=raw_inputs,
+        lm_train_config=lm_train_config,
+        lm_file=lm_file,
+        token_type=token_type,
+        key_file=key_file,
+        word_lm_train_config=word_lm_train_config,
+        bpemodel=bpemodel,
+        allow_variable_data_keys=allow_variable_data_keys,
+        streaming=streaming,
+        output_dir=output_dir,
+        dtype=dtype,
+        seed=seed,
+        ngram_weight=ngram_weight,
+        nbest=nbest,
+        num_workers=num_workers,
+        vad_infer_config=vad_infer_config,
+        vad_model_file=vad_model_file,
+        vad_cmvn_file=vad_cmvn_file,
+        time_stamp_writer=time_stamp_writer,
+        punc_infer_config=punc_infer_config,
+        punc_model_file=punc_model_file,
+        **kwargs,
+    )
+    return inference_pipeline(data_path_and_name_and_type, raw_inputs)
+
+def inference_modelscope(
+    maxlenratio: float,
+    minlenratio: float,
+    batch_size: int,
+    beam_size: int,
+    ngpu: int,
+    ctc_weight: float,
+    lm_weight: float,
+    penalty: float,
+    log_level: Union[int, str],
+    # data_path_and_name_and_type,
+    asr_train_config: Optional[str],
+    asr_model_file: Optional[str],
+    cmvn_file: Optional[str] = None,
+    lm_train_config: Optional[str] = None,
+    lm_file: Optional[str] = None,
+    token_type: Optional[str] = None,
+    key_file: Optional[str] = None,
+    word_lm_train_config: Optional[str] = None,
+    bpemodel: Optional[str] = None,
+    allow_variable_data_keys: bool = False,
+    output_dir: Optional[str] = None,
+    dtype: str = "float32",
+    seed: int = 0,
+    ngram_weight: float = 0.9,
+    nbest: int = 1,
+    num_workers: int = 1,
+    vad_infer_config: Optional[str] = None,
+    vad_model_file: Optional[str] = None,
+    vad_cmvn_file: Optional[str] = None,
+    time_stamp_writer: bool = True,
+    punc_infer_config: Optional[str] = None,
+    punc_model_file: Optional[str] = None,
+    outputs_dict: Optional[bool] = True,
+    param_dict: dict = None,
+    **kwargs,
+):
+    assert check_argument_types()
+    
+    if word_lm_train_config is not None:
+        raise NotImplementedError("Word LM is not implemented")
+    if ngpu > 1:
+        raise NotImplementedError("only single GPU decoding is supported")
+    
+    logging.basicConfig(
+        level=log_level,
+        format="%(asctime)s (%(module)s:%(lineno)d) %(levelname)s: %(message)s",
+    )
+    
+    if ngpu >= 1 and torch.cuda.is_available():
+        device = "cuda"
+    else:
+        device = "cpu"
+    
+    # 1. Set random-seed
+    set_all_random_seed(seed)
+    
+    # 2. Build speech2vadsegment
+    speech2vadsegment_kwargs = dict(
+        vad_infer_config=vad_infer_config,
+        vad_model_file=vad_model_file,
+        vad_cmvn_file=vad_cmvn_file,
+        device=device,
+        dtype=dtype,
+    )
+    # logging.info("speech2vadsegment_kwargs: {}".format(speech2vadsegment_kwargs))
+    speech2vadsegment = Speech2VadSegment(**speech2vadsegment_kwargs)
+    
+    # 3. Build speech2text
+    speech2text_kwargs = dict(
+        asr_train_config=asr_train_config,
+        asr_model_file=asr_model_file,
+        cmvn_file=cmvn_file,
+        lm_train_config=lm_train_config,
+        lm_file=lm_file,
+        token_type=token_type,
+        bpemodel=bpemodel,
+        device=device,
+        maxlenratio=maxlenratio,
+        minlenratio=minlenratio,
+        dtype=dtype,
+        beam_size=beam_size,
+        ctc_weight=ctc_weight,
+        lm_weight=lm_weight,
+        ngram_weight=ngram_weight,
+        penalty=penalty,
+        nbest=nbest,
+    )
+    speech2text = Speech2Text(**speech2text_kwargs)
+    text2punc = None
+    if punc_model_file is not None:
+        text2punc = Text2Punc(punc_infer_config, punc_model_file, device=device, dtype=dtype)
+
+    if output_dir is not None:
+        writer = DatadirWriter(output_dir)
+        ibest_writer = writer[f"1best_recog"]
+        ibest_writer["token_list"][""] = " ".join(speech2text.asr_train_args.token_list)
+    
+    def _forward(data_path_and_name_and_type,
+                 raw_inputs: Union[np.ndarray, torch.Tensor] = None,
+                 output_dir_v2: Optional[str] = None,
+                 fs: dict = None,
+                 param_dict: dict = None,
+                 ):
+        # 3. Build data-iterator
+        if data_path_and_name_and_type is None and raw_inputs is not None:
+            if isinstance(raw_inputs, torch.Tensor):
+                raw_inputs = raw_inputs.numpy()
+            data_path_and_name_and_type = [raw_inputs, "speech", "waveform"]
+        loader = ASRTask.build_streaming_iterator(
+            data_path_and_name_and_type,
+            dtype=dtype,
+            fs=fs,
+            batch_size=1,
+            key_file=key_file,
+            num_workers=num_workers,
+            preprocess_fn=VADTask.build_preprocess_fn(speech2vadsegment.vad_infer_args, False),
+            collate_fn=VADTask.build_collate_fn(speech2vadsegment.vad_infer_args, False),
+            allow_variable_data_keys=allow_variable_data_keys,
+            inference=True,
+        )
+        
+        finish_count = 0
+        file_count = 1
+        lfr_factor = 6
+        # 7 .Start for-loop
+        asr_result_list = []
+        output_path = output_dir_v2 if output_dir_v2 is not None else output_dir
+        writer = None
+        if output_path is not None:
+            writer = DatadirWriter(output_path)
+            ibest_writer = writer[f"1best_recog"]
+         
+        for keys, batch in loader:
+            assert isinstance(batch, dict), type(batch)
+            assert all(isinstance(s, str) for s in keys), keys
+            _bs = len(next(iter(batch.values())))
+            assert len(keys) == _bs, f"{len(keys)} != {_bs}"
+
+            vad_results = speech2vadsegment(**batch)
+            fbanks, vadsegments = vad_results[0], vad_results[1]
+            for i, segments in enumerate(vadsegments):
+                result_segments = [["", [], [], ]]
+                for j, segment_idx in enumerate(segments):
+                    bed_idx, end_idx = int(segment_idx[0] / 10), int(segment_idx[1] / 10)
+                    segment = fbanks[:, bed_idx:end_idx, :].to(device)
+                    speech_lengths = torch.Tensor([end_idx - bed_idx]).int().to(device)
+                    batch = {"speech": segment, "speech_lengths": speech_lengths, "begin_time": vadsegments[i][j][0],
+                             "end_time": vadsegments[i][j][1]}
+                    results = speech2text(**batch)
+                    if len(results) < 1:
+                        continue
+
+                    result_cur = [results[0][:-2]]
+                    if j == 0:
+                        result_segments = result_cur
+                    else:
+                        result_segments = [[result_segments[0][i] + result_cur[0][i] for i in range(len(result_cur[0]))]]
+                
+                key = keys[0]
+                result = result_segments[0]
+                text, token, token_int = result[0], result[1], result[2]
+                time_stamp = None if len(result) < 4 else result[3]
+               
+                
+                postprocessed_result = postprocess_utils.sentence_postprocess(token, time_stamp)
+                text_postprocessed = ""
+                time_stamp_postprocessed = ""
+                text_postprocessed_punc = postprocessed_result
+                if len(postprocessed_result) == 3:
+                    text_postprocessed, time_stamp_postprocessed, word_lists = postprocessed_result[0], \
+                                                                               postprocessed_result[1], \
+                                                                               postprocessed_result[2]
+                    text_postprocessed_punc = ""
+                    if len(word_lists) > 0 and text2punc is not None:
+                        text_postprocessed_punc, punc_id_list = text2punc(word_lists, 20)
+
+                
+                item = {'key': key, 'value': text_postprocessed_punc}
+                if text_postprocessed != "":
+                    item['text_postprocessed'] = text_postprocessed
+                if time_stamp_postprocessed != "":
+                    item['time_stamp'] = time_stamp_postprocessed
+
+                asr_result_list.append(item)
+                finish_count += 1
+                # asr_utils.print_progress(finish_count / file_count)
+                if writer is not None:
+                    # Write the result to each file
+                    ibest_writer["token"][key] = " ".join(token)
+                    ibest_writer["token_int"][key] = " ".join(map(str, token_int))
+                    ibest_writer["vad"][key] = "{}".format(vadsegments)
+                    ibest_writer["text"][key] = text_postprocessed
+                    ibest_writer["text_with_punc"][key] = text_postprocessed_punc
+                    if time_stamp_postprocessed is not None:
+                        ibest_writer["time_stamp"][key] = "{}".format(time_stamp_postprocessed)
+                
+                logging.info("decoding, utt: {}, predictions: {}".format(key, text_postprocessed_punc))
+
+
+        return asr_result_list
+    return _forward
+
+def get_parser():
+    parser = config_argparse.ArgumentParser(
+        description="ASR Decoding",
+        formatter_class=argparse.ArgumentDefaultsHelpFormatter,
+    )
+
+    # Note(kamo): Use '_' instead of '-' as separator.
+    # '-' is confusing if written in yaml.
+    parser.add_argument(
+        "--log_level",
+        type=lambda x: x.upper(),
+        default="INFO",
+        choices=("CRITICAL", "ERROR", "WARNING", "INFO", "DEBUG", "NOTSET"),
+        help="The verbose level of logging",
+    )
+
+    parser.add_argument("--output_dir", type=str, required=True)
+    parser.add_argument(
+        "--ngpu",
+        type=int,
+        default=0,
+        help="The number of gpus. 0 indicates CPU mode",
+    )
+    parser.add_argument("--seed", type=int, default=0, help="Random seed")
+    parser.add_argument(
+        "--dtype",
+        default="float32",
+        choices=["float16", "float32", "float64"],
+        help="Data type",
+    )
+    parser.add_argument(
+        "--num_workers",
+        type=int,
+        default=1,
+        help="The number of workers used for DataLoader",
+    )
+
+    group = parser.add_argument_group("Input data related")
+    group.add_argument(
+        "--data_path_and_name_and_type",
+        type=str2triple_str,
+        required=False,
+        action="append",
+    )
+    group.add_argument("--key_file", type=str_or_none)
+    group.add_argument("--allow_variable_data_keys", type=str2bool, default=False)
+
+    group = parser.add_argument_group("The model configuration related")
+    group.add_argument(
+        "--asr_train_config",
+        type=str,
+        help="ASR training configuration",
+    )
+    group.add_argument(
+        "--asr_model_file",
+        type=str,
+        help="ASR model parameter file",
+    )
+    group.add_argument(
+        "--cmvn_file",
+        type=str,
+        help="Global cmvn file",
+    )
+    group.add_argument(
+        "--lm_train_config",
+        type=str,
+        help="LM training configuration",
+    )
+    group.add_argument(
+        "--lm_file",
+        type=str,
+        help="LM parameter file",
+    )
+    group.add_argument(
+        "--word_lm_train_config",
+        type=str,
+        help="Word LM training configuration",
+    )
+    group.add_argument(
+        "--word_lm_file",
+        type=str,
+        help="Word LM parameter file",
+    )
+    group.add_argument(
+        "--ngram_file",
+        type=str,
+        help="N-gram parameter file",
+    )
+    group.add_argument(
+        "--model_tag",
+        type=str,
+        help="Pretrained model tag. If specify this option, *_train_config and "
+             "*_file will be overwritten",
+    )
+
+    group = parser.add_argument_group("Beam-search related")
+    group.add_argument(
+        "--batch_size",
+        type=int,
+        default=1,
+        help="The batch size for inference",
+    )
+    group.add_argument("--nbest", type=int, default=1, help="Output N-best hypotheses")
+    group.add_argument("--beam_size", type=int, default=20, help="Beam size")
+    group.add_argument("--penalty", type=float, default=0.0, help="Insertion penalty")
+    group.add_argument(
+        "--maxlenratio",
+        type=float,
+        default=0.0,
+        help="Input length ratio to obtain max output length. "
+             "If maxlenratio=0.0 (default), it uses a end-detect "
+             "function "
+             "to automatically find maximum hypothesis lengths."
+             "If maxlenratio<0.0, its absolute value is interpreted"
+             "as a constant max output length",
+    )
+    group.add_argument(
+        "--minlenratio",
+        type=float,
+        default=0.0,
+        help="Input length ratio to obtain min output length",
+    )
+    group.add_argument(
+        "--ctc_weight",
+        type=float,
+        default=0.5,
+        help="CTC weight in joint decoding",
+    )
+    group.add_argument("--lm_weight", type=float, default=1.0, help="RNNLM weight")
+    group.add_argument("--ngram_weight", type=float, default=0.9, help="ngram weight")
+    group.add_argument("--streaming", type=str2bool, default=False)
+    group.add_argument("--time_stamp_writer", type=str2bool, default=False)
+
+    group.add_argument(
+        "--frontend_conf",
+        default=None,
+        help="",
+    )
+    group.add_argument("--raw_inputs", type=list, default=None)
+    # example=[{'key':'EdevDEWdIYQ_0021','file':'/mnt/data/jiangyu.xzy/test_data/speech_io/SPEECHIO_ASR_ZH00007_zhibodaihuo/wav/EdevDEWdIYQ_0021.wav'}])
+
+    group = parser.add_argument_group("Text converter related")
+    group.add_argument(
+        "--token_type",
+        type=str_or_none,
+        default=None,
+        choices=["char", "bpe", None],
+        help="The token type for ASR model. "
+             "If not given, refers from the training args",
+    )
+    group.add_argument(
+        "--bpemodel",
+        type=str_or_none,
+        default=None,
+        help="The model path of sentencepiece. "
+             "If not given, refers from the training args",
+    )
+    group.add_argument(
+        "--vad_infer_config",
+        type=str,
+        help="VAD infer configuration",
+    )
+    group.add_argument(
+        "--vad_model_file",
+        type=str,
+        help="VAD model parameter file",
+    )
+    group.add_argument(
+        "--vad_cmvn_file",
+        type=str,
+        help="vad, Global cmvn file",
+    )
+    group.add_argument(
+        "--punc_infer_config",
+        type=str,
+        help="VAD infer configuration",
+    )
+    group.add_argument(
+        "--punc_model_file",
+        type=str,
+        help="VAD model parameter file",
+    )
+    return parser
+
+
+def main(cmd=None):
+    print(get_commandline_args(), file=sys.stderr)
+    parser = get_parser()
+    args = parser.parse_args(cmd)
+    kwargs = vars(args)
+    kwargs.pop("config", None)
+    inference(**kwargs)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/funasr/bin/asr_inference_uniasr_vad.py b/funasr/bin/asr_inference_uniasr_vad.py
new file mode 100644
index 0000000..cfec9a0
--- /dev/null
+++ b/funasr/bin/asr_inference_uniasr_vad.py
@@ -0,0 +1,680 @@
+#!/usr/bin/env python3
+import argparse
+import logging
+import sys
+from pathlib import Path
+from typing import List
+from typing import Optional
+from typing import Sequence
+from typing import Tuple
+from typing import Union
+from typing import Dict
+from typing import Any
+
+import numpy as np
+import torch
+from typeguard import check_argument_types
+from typeguard import check_return_type
+
+from funasr.fileio.datadir_writer import DatadirWriter
+from funasr.modules.beam_search.beam_search import BeamSearchScama as BeamSearch
+from funasr.modules.beam_search.beam_search import Hypothesis
+from funasr.modules.scorers.ctc import CTCPrefixScorer
+from funasr.modules.scorers.length_bonus import LengthBonus
+from funasr.modules.subsampling import TooShortUttError
+from funasr.tasks.asr import ASRTaskUniASR as ASRTask
+from funasr.tasks.lm import LMTask
+from funasr.text.build_tokenizer import build_tokenizer
+from funasr.text.token_id_converter import TokenIDConverter
+from funasr.torch_utils.device_funcs import to_device
+from funasr.torch_utils.set_all_random_seed import set_all_random_seed
+from funasr.utils import config_argparse
+from funasr.utils.cli_utils import get_commandline_args
+from funasr.utils.types import str2bool
+from funasr.utils.types import str2triple_str
+from funasr.utils.types import str_or_none
+from funasr.utils import asr_utils, wav_utils, postprocess_utils
+from funasr.models.frontend.wav_frontend import WavFrontend
+
+
+header_colors = '\033[95m'
+end_colors = '\033[0m'
+
+
+class Speech2Text:
+    """Speech2Text class
+
+    Examples:
+        >>> import soundfile
+        >>> speech2text = Speech2Text("asr_config.yml", "asr.pth")
+        >>> audio, rate = soundfile.read("speech.wav")
+        >>> speech2text(audio)
+        [(text, token, token_int, hypothesis object), ...]
+
+    """
+
+    def __init__(
+            self,
+            asr_train_config: Union[Path, str] = None,
+            asr_model_file: Union[Path, str] = None,
+            cmvn_file: Union[Path, str] = None,
+            lm_train_config: Union[Path, str] = None,
+            lm_file: Union[Path, str] = None,
+            token_type: str = None,
+            bpemodel: str = None,
+            device: str = "cpu",
+            maxlenratio: float = 0.0,
+            minlenratio: float = 0.0,
+            dtype: str = "float32",
+            beam_size: int = 20,
+            ctc_weight: float = 0.5,
+            lm_weight: float = 1.0,
+            ngram_weight: float = 0.9,
+            penalty: float = 0.0,
+            nbest: int = 1,
+            token_num_relax: int = 1,
+            decoding_ind: int = 0,
+            decoding_mode: str = "model1",
+            frontend_conf: dict = None,
+            **kwargs,
+    ):
+        assert check_argument_types()
+
+        # 1. Build ASR model
+        scorers = {}
+        asr_model, asr_train_args = ASRTask.build_model_from_file(
+            asr_train_config, asr_model_file, cmvn_file, device
+        )
+        frontend = None
+        if asr_train_args.frontend is not None and asr_train_args.frontend_conf is not None:
+            frontend = WavFrontend(cmvn_file=cmvn_file, **asr_train_args.frontend_conf)
+
+        logging.info("asr_train_args: {}".format(asr_train_args))
+        asr_model.to(dtype=getattr(torch, dtype)).eval()
+        if decoding_mode == "model1":
+            decoder = asr_model.decoder
+        else:
+            decoder = asr_model.decoder2
+
+        if asr_model.ctc != None:
+            ctc = CTCPrefixScorer(ctc=asr_model.ctc, eos=asr_model.eos)
+            scorers.update(
+                ctc=ctc
+            )
+        token_list = asr_model.token_list
+        scorers.update(
+            decoder=decoder,
+            length_bonus=LengthBonus(len(token_list)),
+        )
+
+        # 2. Build Language model
+        if lm_train_config is not None:
+            lm, lm_train_args = LMTask.build_model_from_file(
+                lm_train_config, lm_file, device
+            )
+            scorers["lm"] = lm.lm
+
+        # 3. Build ngram model
+        # ngram is not supported now
+        ngram = None
+        scorers["ngram"] = ngram
+
+        # 4. Build BeamSearch object
+        # transducer is not supported now
+        beam_search_transducer = None
+
+        weights = dict(
+            decoder=1.0 - ctc_weight,
+            ctc=ctc_weight,
+            lm=lm_weight,
+            ngram=ngram_weight,
+            length_bonus=penalty,
+        )
+        beam_search = BeamSearch(
+            beam_size=beam_size,
+            weights=weights,
+            scorers=scorers,
+            sos=asr_model.sos,
+            eos=asr_model.eos,
+            vocab_size=len(token_list),
+            token_list=token_list,
+            pre_beam_score_key=None if ctc_weight == 1.0 else "full",
+        )
+
+        beam_search.to(device=device, dtype=getattr(torch, dtype)).eval()
+        for scorer in scorers.values():
+            if isinstance(scorer, torch.nn.Module):
+                scorer.to(device=device, dtype=getattr(torch, dtype)).eval()
+        # logging.info(f"Beam_search: {beam_search}")
+        logging.info(f"Decoding device={device}, dtype={dtype}")
+
+        # 5. [Optional] Build Text converter: e.g. bpe-sym -> Text
+        if token_type is None:
+            token_type = asr_train_args.token_type
+        if bpemodel is None:
+            bpemodel = asr_train_args.bpemodel
+
+        if token_type is None:
+            tokenizer = None
+        elif token_type == "bpe":
+            if bpemodel is not None:
+                tokenizer = build_tokenizer(token_type=token_type, bpemodel=bpemodel)
+            else:
+                tokenizer = None
+        else:
+            tokenizer = build_tokenizer(token_type=token_type)
+        converter = TokenIDConverter(token_list=token_list)
+        logging.info(f"Text tokenizer: {tokenizer}")
+
+        self.asr_model = asr_model
+        self.asr_train_args = asr_train_args
+        self.converter = converter
+        self.tokenizer = tokenizer
+        self.beam_search = beam_search
+        self.beam_search_transducer = beam_search_transducer
+        self.maxlenratio = maxlenratio
+        self.minlenratio = minlenratio
+        self.device = device
+        self.dtype = dtype
+        self.nbest = nbest
+        self.token_num_relax = token_num_relax
+        self.decoding_ind = decoding_ind
+        self.decoding_mode = decoding_mode
+        self.frontend = frontend
+
+    @torch.no_grad()
+    def __call__(
+            self, speech: Union[torch.Tensor, np.ndarray], speech_lengths: Union[torch.Tensor, np.ndarray] = None
+    ) -> List[
+        Tuple[
+            Optional[str],
+            List[str],
+            List[int],
+            Union[Hypothesis],
+        ]
+    ]:
+        """Inference
+
+        Args:
+            speech: Input speech data
+        Returns:
+            text, token, token_int, hyp
+
+        """
+        assert check_argument_types()
+
+        # Input as audio signal
+        if isinstance(speech, np.ndarray):
+            speech = torch.tensor(speech)
+
+        if self.frontend is not None:
+            feats, feats_len = self.frontend.forward(speech, speech_lengths)
+            feats = to_device(feats, device=self.device)
+            feats_len = feats_len.int()
+            self.asr_model.frontend = None
+        else:
+            feats = speech
+            feats_len = speech_lengths
+        lfr_factor = max(1, (feats.size()[-1] // 80) - 1)
+        feats_raw = feats.clone().to(self.device)
+        batch = {"speech": feats, "speech_lengths": feats_len}
+
+        # a. To device
+        batch = to_device(batch, device=self.device)
+        # b. Forward Encoder
+        _, enc, enc_len = self.asr_model.encode(**batch, ind=self.decoding_ind)
+        if isinstance(enc, tuple):
+            enc = enc[0]
+        assert len(enc) == 1, len(enc)
+        if self.decoding_mode == "model1":
+            predictor_outs = self.asr_model.calc_predictor_mask(enc, enc_len)
+        else:
+            enc, enc_len = self.asr_model.encode2(enc, enc_len, feats_raw, feats_len, ind=self.decoding_ind)
+            predictor_outs = self.asr_model.calc_predictor_mask2(enc, enc_len)
+
+        scama_mask = predictor_outs[4]
+        pre_token_length = predictor_outs[1]
+        pre_acoustic_embeds = predictor_outs[0]
+        maxlen = pre_token_length.sum().item() + self.token_num_relax
+        minlen = max(0, pre_token_length.sum().item() - self.token_num_relax)
+        # c. Passed the encoder result and the beam search
+        nbest_hyps = self.beam_search(
+            x=enc[0], scama_mask=scama_mask, pre_acoustic_embeds=pre_acoustic_embeds, maxlenratio=self.maxlenratio,
+            minlenratio=self.minlenratio, maxlen=int(maxlen), minlen=int(minlen),
+        )
+
+        nbest_hyps = nbest_hyps[: self.nbest]
+
+        results = []
+        for hyp in nbest_hyps:
+            assert isinstance(hyp, (Hypothesis)), type(hyp)
+
+            # remove sos/eos and get results
+            last_pos = -1
+            if isinstance(hyp.yseq, list):
+                token_int = hyp.yseq[1:last_pos]
+            else:
+                token_int = hyp.yseq[1:last_pos].tolist()
+
+            # remove blank symbol id, which is assumed to be 0
+            token_int = list(filter(lambda x: x != 0, token_int))
+
+            # Change integer-ids to tokens
+            token = self.converter.ids2tokens(token_int)
+
+            if self.tokenizer is not None:
+                text = self.tokenizer.tokens2text(token)
+            else:
+                text = None
+            results.append((text, token, token_int, hyp))
+
+        assert check_return_type(results)
+        return results
+
+
+def inference(
+        maxlenratio: float,
+        minlenratio: float,
+        batch_size: int,
+        beam_size: int,
+        ngpu: int,
+        ctc_weight: float,
+        lm_weight: float,
+        penalty: float,
+        log_level: Union[int, str],
+        data_path_and_name_and_type,
+        asr_train_config: Optional[str],
+        asr_model_file: Optional[str],
+        ngram_file: Optional[str] = None,
+        cmvn_file: Optional[str] = None,
+        raw_inputs: Union[np.ndarray, torch.Tensor] = None,
+        lm_train_config: Optional[str] = None,
+        lm_file: Optional[str] = None,
+        token_type: Optional[str] = None,
+        key_file: Optional[str] = None,
+        word_lm_train_config: Optional[str] = None,
+        bpemodel: Optional[str] = None,
+        allow_variable_data_keys: bool = False,
+        streaming: bool = False,
+        output_dir: Optional[str] = None,
+        dtype: str = "float32",
+        seed: int = 0,
+        ngram_weight: float = 0.9,
+        nbest: int = 1,
+        num_workers: int = 1,
+        token_num_relax: int = 1,
+        decoding_ind: int = 0,
+        decoding_mode: str = "model1",
+        **kwargs,
+):
+    inference_pipeline = inference_modelscope(
+        maxlenratio=maxlenratio,
+        minlenratio=minlenratio,
+        batch_size=batch_size,
+        beam_size=beam_size,
+        ngpu=ngpu,
+        ctc_weight=ctc_weight,
+        lm_weight=lm_weight,
+        penalty=penalty,
+        log_level=log_level,
+        asr_train_config=asr_train_config,
+        asr_model_file=asr_model_file,
+        cmvn_file=cmvn_file,
+        raw_inputs=raw_inputs,
+        lm_train_config=lm_train_config,
+        lm_file=lm_file,
+        token_type=token_type,
+        key_file=key_file,
+        word_lm_train_config=word_lm_train_config,
+        bpemodel=bpemodel,
+        allow_variable_data_keys=allow_variable_data_keys,
+        streaming=streaming,
+        output_dir=output_dir,
+        dtype=dtype,
+        seed=seed,
+        ngram_weight=ngram_weight,
+        ngram_file=ngram_file,
+        nbest=nbest,
+        num_workers=num_workers,
+        token_num_relax=token_num_relax,
+        decoding_ind=decoding_ind,
+        decoding_mode=decoding_mode,
+        **kwargs,
+    )
+    return inference_pipeline(data_path_and_name_and_type, raw_inputs)
+
+
+def inference_modelscope(
+        maxlenratio: float,
+        minlenratio: float,
+        batch_size: int,
+        beam_size: int,
+        ngpu: int,
+        ctc_weight: float,
+        lm_weight: float,
+        penalty: float,
+        log_level: Union[int, str],
+        # data_path_and_name_and_type,
+        asr_train_config: Optional[str],
+        asr_model_file: Optional[str],
+        ngram_file: Optional[str] = None,
+        cmvn_file: Optional[str] = None,
+        # raw_inputs: Union[np.ndarray, torch.Tensor] = None,
+        lm_train_config: Optional[str] = None,
+        lm_file: Optional[str] = None,
+        token_type: Optional[str] = None,
+        key_file: Optional[str] = None,
+        word_lm_train_config: Optional[str] = None,
+        bpemodel: Optional[str] = None,
+        allow_variable_data_keys: bool = False,
+        streaming: bool = False,
+        output_dir: Optional[str] = None,
+        dtype: str = "float32",
+        seed: int = 0,
+        ngram_weight: float = 0.9,
+        nbest: int = 1,
+        num_workers: int = 1,
+        token_num_relax: int = 1,
+        decoding_ind: int = 0,
+        decoding_mode: str = "model1",
+        param_dict: dict = None,
+        **kwargs,
+):
+    assert check_argument_types()
+    if batch_size > 1:
+        raise NotImplementedError("batch decoding is not implemented")
+    if word_lm_train_config is not None:
+        raise NotImplementedError("Word LM is not implemented")
+    if ngpu > 1:
+        raise NotImplementedError("only single GPU decoding is supported")
+
+    logging.basicConfig(
+        level=log_level,
+        format="%(asctime)s (%(module)s:%(lineno)d) %(levelname)s: %(message)s",
+    )
+
+    if ngpu >= 1 and torch.cuda.is_available():
+        device = "cuda"
+    else:
+        device = "cpu"
+
+    # 1. Set random-seed
+    set_all_random_seed(seed)
+
+    # 2. Build speech2text
+    speech2text_kwargs = dict(
+        asr_train_config=asr_train_config,
+        asr_model_file=asr_model_file,
+        cmvn_file=cmvn_file,
+        lm_train_config=lm_train_config,
+        lm_file=lm_file,
+        ngram_file=ngram_file,
+        token_type=token_type,
+        bpemodel=bpemodel,
+        device=device,
+        maxlenratio=maxlenratio,
+        minlenratio=minlenratio,
+        dtype=dtype,
+        beam_size=beam_size,
+        ctc_weight=ctc_weight,
+        lm_weight=lm_weight,
+        ngram_weight=ngram_weight,
+        penalty=penalty,
+        nbest=nbest,
+        streaming=streaming,
+        token_num_relax=token_num_relax,
+        decoding_ind=decoding_ind,
+        decoding_mode=decoding_mode,
+    )
+    speech2text = Speech2Text(**speech2text_kwargs)
+    
+    def _forward(data_path_and_name_and_type,
+                 raw_inputs: Union[np.ndarray, torch.Tensor] = None,
+                 output_dir_v2: Optional[str] = None,
+                 fs: dict = None,
+                 param_dict: dict = None,
+                 ):
+        # 3. Build data-iterator
+        if data_path_and_name_and_type is None and raw_inputs is not None:
+            if isinstance(raw_inputs, torch.Tensor):
+                raw_inputs = raw_inputs.numpy()
+            data_path_and_name_and_type = [raw_inputs, "speech", "waveform"]
+        loader = ASRTask.build_streaming_iterator(
+            data_path_and_name_and_type,
+            dtype=dtype,
+            fs=fs,
+            batch_size=batch_size,
+            key_file=key_file,
+            num_workers=num_workers,
+            preprocess_fn=ASRTask.build_preprocess_fn(speech2text.asr_train_args, False),
+            collate_fn=ASRTask.build_collate_fn(speech2text.asr_train_args, False),
+            allow_variable_data_keys=allow_variable_data_keys,
+            inference=True,
+        )
+    
+        finish_count = 0
+        file_count = 1
+        # 7 .Start for-loop
+        # FIXME(kamo): The output format should be discussed about
+        asr_result_list = []
+        output_path = output_dir_v2 if output_dir_v2 is not None else output_dir
+        if output_path is not None:
+            writer = DatadirWriter(output_path)
+        else:
+            writer = None
+    
+        for keys, batch in loader:
+            assert isinstance(batch, dict), type(batch)
+            assert all(isinstance(s, str) for s in keys), keys
+            _bs = len(next(iter(batch.values())))
+            assert len(keys) == _bs, f"{len(keys)} != {_bs}"
+            #batch = {k: v[0] for k, v in batch.items() if not k.endswith("_lengths")}
+    
+            # N-best list of (text, token, token_int, hyp_object)
+            try:
+                results = speech2text(**batch)
+            except TooShortUttError as e:
+                logging.warning(f"Utterance {keys} {e}")
+                hyp = Hypothesis(score=0.0, scores={}, states={}, yseq=[])
+                results = [[" ", ["sil"], [2], hyp]] * nbest
+    
+            # Only supporting batch_size==1
+            key = keys[0]
+            logging.info(f"Utterance: {key}")
+            for n, (text, token, token_int, hyp) in zip(range(1, nbest + 1), results):
+                # Create a directory: outdir/{n}best_recog
+                if writer is not None:
+                    ibest_writer = writer[f"{n}best_recog"]
+    
+                    # Write the result to each file
+                    ibest_writer["token"][key] = " ".join(token)
+                    # ibest_writer["token_int"][key] = " ".join(map(str, token_int))
+                    ibest_writer["score"][key] = str(hyp.score)
+    
+                if text is not None:
+                    text_postprocessed = postprocess_utils.sentence_postprocess(token)
+                    item = {'key': key, 'value': text_postprocessed}
+                    asr_result_list.append(item)
+                    finish_count += 1
+                    asr_utils.print_progress(finish_count / file_count)
+                    if writer is not None:
+                        ibest_writer["text"][key] = text
+        return asr_result_list
+    
+    return _forward
+
+
+
+def get_parser():
+    parser = config_argparse.ArgumentParser(
+        description="ASR Decoding",
+        formatter_class=argparse.ArgumentDefaultsHelpFormatter,
+    )
+
+    # Note(kamo): Use '_' instead of '-' as separator.
+    # '-' is confusing if written in yaml.
+    parser.add_argument(
+        "--log_level",
+        type=lambda x: x.upper(),
+        default="INFO",
+        choices=("CRITICAL", "ERROR", "WARNING", "INFO", "DEBUG", "NOTSET"),
+        help="The verbose level of logging",
+    )
+
+    parser.add_argument("--output_dir", type=str, required=True)
+    parser.add_argument(
+        "--ngpu",
+        type=int,
+        default=0,
+        help="The number of gpus. 0 indicates CPU mode",
+    )
+    parser.add_argument("--seed", type=int, default=0, help="Random seed")
+    parser.add_argument(
+        "--dtype",
+        default="float32",
+        choices=["float16", "float32", "float64"],
+        help="Data type",
+    )
+    parser.add_argument(
+        "--num_workers",
+        type=int,
+        default=1,
+        help="The number of workers used for DataLoader",
+    )
+
+    group = parser.add_argument_group("Input data related")
+    group.add_argument(
+        "--data_path_and_name_and_type",
+        type=str2triple_str,
+        required=False,
+        action="append",
+    )
+    group.add_argument("--raw_inputs", type=list, default=None)
+    # example=[{'key':'EdevDEWdIYQ_0021','file':'/mnt/data/jiangyu.xzy/test_data/speech_io/SPEECHIO_ASR_ZH00007_zhibodaihuo/wav/EdevDEWdIYQ_0021.wav'}])
+    group.add_argument("--key_file", type=str_or_none)
+    group.add_argument("--allow_variable_data_keys", type=str2bool, default=False)
+
+    group = parser.add_argument_group("The model configuration related")
+    group.add_argument(
+        "--asr_train_config",
+        type=str,
+        help="ASR training configuration",
+    )
+    group.add_argument(
+        "--asr_model_file",
+        type=str,
+        help="ASR model parameter file",
+    )
+    group.add_argument(
+        "--cmvn_file",
+        type=str,
+        help="Global cmvn file",
+    )
+    group.add_argument(
+        "--lm_train_config",
+        type=str,
+        help="LM training configuration",
+    )
+    group.add_argument(
+        "--lm_file",
+        type=str,
+        help="LM parameter file",
+    )
+    group.add_argument(
+        "--word_lm_train_config",
+        type=str,
+        help="Word LM training configuration",
+    )
+    group.add_argument(
+        "--word_lm_file",
+        type=str,
+        help="Word LM parameter file",
+    )
+    group.add_argument(
+        "--ngram_file",
+        type=str,
+        help="N-gram parameter file",
+    )
+    group.add_argument(
+        "--model_tag",
+        type=str,
+        help="Pretrained model tag. If specify this option, *_train_config and "
+             "*_file will be overwritten",
+    )
+
+    group = parser.add_argument_group("Beam-search related")
+    group.add_argument(
+        "--batch_size",
+        type=int,
+        default=1,
+        help="The batch size for inference",
+    )
+    group.add_argument("--nbest", type=int, default=1, help="Output N-best hypotheses")
+    group.add_argument("--beam_size", type=int, default=20, help="Beam size")
+    group.add_argument("--penalty", type=float, default=0.0, help="Insertion penalty")
+    group.add_argument(
+        "--maxlenratio",
+        type=float,
+        default=0.0,
+        help="Input length ratio to obtain max output length. "
+             "If maxlenratio=0.0 (default), it uses a end-detect "
+             "function "
+             "to automatically find maximum hypothesis lengths."
+             "If maxlenratio<0.0, its absolute value is interpreted"
+             "as a constant max output length",
+    )
+    group.add_argument(
+        "--minlenratio",
+        type=float,
+        default=0.0,
+        help="Input length ratio to obtain min output length",
+    )
+    group.add_argument(
+        "--ctc_weight",
+        type=float,
+        default=0.5,
+        help="CTC weight in joint decoding",
+    )
+    group.add_argument("--lm_weight", type=float, default=1.0, help="RNNLM weight")
+    group.add_argument("--ngram_weight", type=float, default=0.9, help="ngram weight")
+    group.add_argument("--streaming", type=str2bool, default=False)
+
+    group = parser.add_argument_group("Text converter related")
+    group.add_argument(
+        "--token_type",
+        type=str_or_none,
+        default=None,
+        choices=["char", "bpe", None],
+        help="The token type for ASR model. "
+             "If not given, refers from the training args",
+    )
+    group.add_argument(
+        "--bpemodel",
+        type=str_or_none,
+        default=None,
+        help="The model path of sentencepiece. "
+             "If not given, refers from the training args",
+    )
+    group.add_argument("--token_num_relax", type=int, default=1, help="")
+    group.add_argument("--decoding_ind", type=int, default=0, help="")
+    group.add_argument("--decoding_mode", type=str, default="model1", help="")
+    group.add_argument(
+        "--ctc_weight2",
+        type=float,
+        default=0.0,
+        help="CTC weight in joint decoding",
+    )
+    return parser
+
+
+def main(cmd=None):
+    print(get_commandline_args(), file=sys.stderr)
+    parser = get_parser()
+    args = parser.parse_args(cmd)
+    kwargs = vars(args)
+    kwargs.pop("config", None)
+    inference(**kwargs)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/funasr/export/README.md b/funasr/export/README.md
new file mode 100644
index 0000000..9740f23
--- /dev/null
+++ b/funasr/export/README.md
@@ -0,0 +1,50 @@
+
+## Environments
+    funasr 0.1.7
+    python 3.7
+    torch 1.11.0
+    modelscope 1.2.0
+
+## Install modelscope and funasr
+
+The installation is the same as [funasr](../../README.md)
+
+## Export onnx format model
+Export model from modelscope
+```python
+from funasr.export.export_model import ASRModelExportParaformer
+
+output_dir = "../export"  # onnx/torchscripts model save path
+export_model = ASRModelExportParaformer(cache_dir=output_dir, onnx=True)
+export_model.export_from_modelscope('damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch')
+```
+
+
+Export model from local path
+```python
+from funasr.export.export_model import ASRModelExportParaformer
+
+output_dir = "../export"  # onnx/torchscripts model save path
+export_model = ASRModelExportParaformer(cache_dir=output_dir, onnx=True)
+export_model.export_from_local('/root/cache/export/damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch')
+```
+
+## Export torchscripts format model
+Export model from modelscope
+```python
+from funasr.export.export_model import ASRModelExportParaformer
+
+output_dir = "../export"  # onnx/torchscripts model save path
+export_model = ASRModelExportParaformer(cache_dir=output_dir, onnx=False)
+export_model.export_from_modelscope('damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch')
+```
+
+Export model from local path
+```python
+from funasr.export.export_model import ASRModelExportParaformer
+
+output_dir = "../export"  # onnx/torchscripts model save path
+export_model = ASRModelExportParaformer(cache_dir=output_dir, onnx=False)
+export_model.export_from_local('/root/cache/export/damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch')
+```
+
diff --git a/funasr/export/__init__.py b/funasr/export/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/funasr/export/__init__.py
diff --git a/funasr/export/export_model.py b/funasr/export/export_model.py
new file mode 100644
index 0000000..9a599eb
--- /dev/null
+++ b/funasr/export/export_model.py
@@ -0,0 +1,120 @@
+from typing import Union, Dict
+from pathlib import Path
+from typeguard import check_argument_types
+
+import os
+import logging
+import torch
+
+from funasr.bin.asr_inference_paraformer import Speech2Text
+from funasr.export.models import get_model
+
+
+
+class ASRModelExportParaformer:
+    def __init__(self, cache_dir: Union[Path, str] = None, onnx: bool = True):
+        assert check_argument_types()
+        if cache_dir is None:
+            cache_dir = Path.home() / "cache" / "export"
+
+        self.cache_dir = Path(cache_dir)
+        self.export_config = dict(
+            feats_dim=560,
+            onnx=False,
+        )
+        logging.info("output dir: {}".format(self.cache_dir))
+        self.onnx = onnx
+
+    def export(
+        self,
+        model: Speech2Text,
+        tag_name: str = None,
+        verbose: bool = False,
+    ):
+
+        export_dir = self.cache_dir / tag_name.replace(' ', '-')
+        os.makedirs(export_dir, exist_ok=True)
+
+        # export encoder1
+        self.export_config["model_name"] = "model"
+        model = get_model(
+            model,
+            self.export_config,
+        )
+        self._export_onnx(model, verbose, export_dir)
+        if self.onnx:
+            self._export_onnx(model, verbose, export_dir)
+        else:
+            self._export_torchscripts(model, verbose, export_dir)
+
+        logging.info("output dir: {}".format(export_dir))
+
+
+    def _export_torchscripts(self, model, verbose, path, enc_size=None):
+        if enc_size:
+            dummy_input = model.get_dummy_inputs(enc_size)
+        else:
+            dummy_input = model.get_dummy_inputs_txt()
+
+        # model_script = torch.jit.script(model)
+        model_script = torch.jit.trace(model, dummy_input)
+        model_script.save(os.path.join(path, f'{model.model_name}.torchscripts'))
+
+    def export_from_modelscope(
+        self,
+        tag_name: str = 'damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch',
+    ):
+        
+        from funasr.tasks.asr import ASRTaskParaformer as ASRTask
+        from modelscope.hub.snapshot_download import snapshot_download
+
+        model_dir = snapshot_download(tag_name, cache_dir=self.cache_dir)
+        asr_train_config = os.path.join(model_dir, 'config.yaml')
+        asr_model_file = os.path.join(model_dir, 'model.pb')
+        cmvn_file = os.path.join(model_dir, 'am.mvn')
+        model, asr_train_args = ASRTask.build_model_from_file(
+            asr_train_config, asr_model_file, cmvn_file, 'cpu'
+        )
+        self.export(model, tag_name)
+
+    def export_from_local(
+        self,
+        tag_name: str = '/root/cache/export/damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch',
+    ):
+    
+        from funasr.tasks.asr import ASRTaskParaformer as ASRTask
+    
+        model_dir = tag_name
+        asr_train_config = os.path.join(model_dir, 'config.yaml')
+        asr_model_file = os.path.join(model_dir, 'model.pb')
+        cmvn_file = os.path.join(model_dir, 'am.mvn')
+        model, asr_train_args = ASRTask.build_model_from_file(
+            asr_train_config, asr_model_file, cmvn_file, 'cpu'
+        )
+        self.export(model, tag_name)
+
+    def _export_onnx(self, model, verbose, path, enc_size=None):
+        if enc_size:
+            dummy_input = model.get_dummy_inputs(enc_size)
+        else:
+            dummy_input = model.get_dummy_inputs()
+
+        # model_script = torch.jit.script(model)
+        model_script = model #torch.jit.trace(model)
+
+        torch.onnx.export(
+            model_script,
+            dummy_input,
+            os.path.join(path, f'{model.model_name}.onnx'),
+            verbose=verbose,
+            opset_version=12,
+            input_names=model.get_input_names(),
+            output_names=model.get_output_names(),
+            dynamic_axes=model.get_dynamic_axes()
+        )
+
+if __name__ == '__main__':
+    output_dir = "../export"
+    export_model = ASRModelExportParaformer(cache_dir=output_dir, onnx=False)
+    export_model.export_from_modelscope('damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch')
+    # export_model.export_from_local('/root/cache/export/damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch')
\ No newline at end of file
diff --git a/funasr/export/models/__init__.py b/funasr/export/models/__init__.py
new file mode 100644
index 0000000..b21b080
--- /dev/null
+++ b/funasr/export/models/__init__.py
@@ -0,0 +1,91 @@
+# from .ctc import CTC
+# from .joint_network import JointNetwork
+#
+# # encoder
+# from espnet2.asr.encoder.rnn_encoder import RNNEncoder as espnetRNNEncoder
+# from espnet2.asr.encoder.vgg_rnn_encoder import VGGRNNEncoder as espnetVGGRNNEncoder
+# from espnet2.asr.encoder.contextual_block_transformer_encoder import ContextualBlockTransformerEncoder as espnetContextualTransformer
+# from espnet2.asr.encoder.contextual_block_conformer_encoder import ContextualBlockConformerEncoder as espnetContextualConformer
+# from espnet2.asr.encoder.transformer_encoder import TransformerEncoder as espnetTransformerEncoder
+# from espnet2.asr.encoder.conformer_encoder import ConformerEncoder as espnetConformerEncoder
+# from funasr.export.models.encoder.rnn import RNNEncoder
+# from funasr.export.models.encoders import TransformerEncoder
+# from funasr.export.models.encoders import ConformerEncoder
+# from funasr.export.models.encoder.contextual_block_xformer import ContextualBlockXformerEncoder
+#
+# # decoder
+# from espnet2.asr.decoder.rnn_decoder import RNNDecoder as espnetRNNDecoder
+# from espnet2.asr.transducer.transducer_decoder import TransducerDecoder as espnetTransducerDecoder
+# from funasr.export.models.decoder.rnn import (
+#     RNNDecoder
+# )
+# from funasr.export.models.decoders import XformerDecoder
+# from funasr.export.models.decoders import TransducerDecoder
+#
+# # lm
+# from espnet2.lm.seq_rnn_lm import SequentialRNNLM as espnetSequentialRNNLM
+# from espnet2.lm.transformer_lm import TransformerLM as espnetTransformerLM
+# from .language_models.seq_rnn import SequentialRNNLM
+# from .language_models.transformer import TransformerLM
+#
+# # frontend
+# from espnet2.asr.frontend.s3prl import S3prlFrontend as espnetS3PRLModel
+# from .frontends.s3prl import S3PRLModel
+#
+# from espnet2.asr.encoder.sanm_encoder import SANMEncoder_tf, SANMEncoderChunkOpt_tf
+# from espnet_onnx.export.asr.models.encoders.transformer_sanm import TransformerEncoderSANM_tf
+# from espnet2.asr.decoder.transformer_decoder import FsmnDecoderSCAMAOpt_tf
+# from funasr.export.models.decoders import XformerDecoderSANM
+
+from funasr.models.e2e_asr_paraformer import Paraformer
+from funasr.export.models.e2e_asr_paraformer import Paraformer as Paraformer_export
+
+def get_model(model, export_config=None):
+
+    if isinstance(model, Paraformer):
+        return Paraformer_export(model, **export_config)
+    else:
+        raise "The model is not exist!"
+
+
+# def get_encoder(model, frontend, preencoder, predictor=None, export_config=None):
+#     if isinstance(model, espnetRNNEncoder) or isinstance(model, espnetVGGRNNEncoder):
+#         return RNNEncoder(model, frontend, preencoder, **export_config)
+#     elif isinstance(model, espnetContextualTransformer) or isinstance(model, espnetContextualConformer):
+#         return ContextualBlockXformerEncoder(model, **export_config)
+#     elif isinstance(model, espnetTransformerEncoder):
+#         return TransformerEncoder(model, frontend, preencoder, **export_config)
+#     elif isinstance(model, espnetConformerEncoder):
+#         return ConformerEncoder(model, frontend, preencoder, **export_config)
+#     elif isinstance(model, SANMEncoder_tf) or isinstance(model, SANMEncoderChunkOpt_tf):
+#         return TransformerEncoderSANM_tf(model, frontend, preencoder, predictor, **export_config)
+#     else:
+#         raise "The model is not exist!"
+
+
+#
+# def get_decoder(model, export_config):
+#     if isinstance(model, espnetRNNDecoder):
+#         return RNNDecoder(model, **export_config)
+#     elif isinstance(model, espnetTransducerDecoder):
+#         return TransducerDecoder(model, **export_config)
+#     elif isinstance(model, FsmnDecoderSCAMAOpt_tf):
+#         return XformerDecoderSANM(model, **export_config)
+#     else:
+#         return XformerDecoder(model, **export_config)
+#
+#
+# def get_lm(model, export_config):
+#     if isinstance(model, espnetSequentialRNNLM):
+#         return SequentialRNNLM(model, **export_config)
+#     elif isinstance(model, espnetTransformerLM):
+#         return TransformerLM(model, **export_config)
+#
+#
+# def get_frontend_models(model, export_config):
+#     if isinstance(model, espnetS3PRLModel):
+#         return S3PRLModel(model, **export_config)
+#     else:
+#         return None
+#
+    
\ No newline at end of file
diff --git a/funasr/export/models/decoder/__init__.py b/funasr/export/models/decoder/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/funasr/export/models/decoder/__init__.py
diff --git a/funasr/export/models/decoder/sanm_decoder.py b/funasr/export/models/decoder/sanm_decoder.py
new file mode 100644
index 0000000..9084b7f
--- /dev/null
+++ b/funasr/export/models/decoder/sanm_decoder.py
@@ -0,0 +1,159 @@
+import os
+
+import torch
+import torch.nn as nn
+
+
+from funasr.export.utils.torch_function import MakePadMask
+from funasr.export.utils.torch_function import sequence_mask
+
+from funasr.modules.attention import MultiHeadedAttentionSANMDecoder
+from funasr.export.models.modules.multihead_att import MultiHeadedAttentionSANMDecoder as MultiHeadedAttentionSANMDecoder_export
+from funasr.modules.attention import MultiHeadedAttentionCrossAtt
+from funasr.export.models.modules.multihead_att import MultiHeadedAttentionCrossAtt as MultiHeadedAttentionCrossAtt_export
+from funasr.modules.positionwise_feed_forward import PositionwiseFeedForwardDecoderSANM
+from funasr.export.models.modules.feedforward import PositionwiseFeedForwardDecoderSANM as PositionwiseFeedForwardDecoderSANM_export
+from funasr.export.models.modules.decoder_layer import DecoderLayerSANM as DecoderLayerSANM_export
+
+
+class ParaformerSANMDecoder(nn.Module):
+    def __init__(self, model,
+                 max_seq_len=512,
+                 model_name='decoder',
+                 onnx: bool = True,):
+        super().__init__()
+        # self.embed = model.embed #Embedding(model.embed, max_seq_len)
+        self.model = model
+        if onnx:
+            self.make_pad_mask = MakePadMask(max_seq_len, flip=False)
+        else:
+            self.make_pad_mask = sequence_mask(max_seq_len, flip=False)
+
+        for i, d in enumerate(self.model.decoders):
+            if isinstance(d.feed_forward, PositionwiseFeedForwardDecoderSANM):
+                d.feed_forward = PositionwiseFeedForwardDecoderSANM_export(d.feed_forward)
+            if isinstance(d.self_attn, MultiHeadedAttentionSANMDecoder):
+                d.self_attn = MultiHeadedAttentionSANMDecoder_export(d.self_attn)
+            if isinstance(d.src_attn, MultiHeadedAttentionCrossAtt):
+                d.src_attn = MultiHeadedAttentionCrossAtt_export(d.src_attn)
+            self.model.decoders[i] = DecoderLayerSANM_export(d)
+
+        if self.model.decoders2 is not None:
+            for i, d in enumerate(self.model.decoders2):
+                if isinstance(d.feed_forward, PositionwiseFeedForwardDecoderSANM):
+                    d.feed_forward = PositionwiseFeedForwardDecoderSANM_export(d.feed_forward)
+                if isinstance(d.self_attn, MultiHeadedAttentionSANMDecoder):
+                    d.self_attn = MultiHeadedAttentionSANMDecoder_export(d.self_attn)
+                self.model.decoders2[i] = DecoderLayerSANM_export(d)
+
+        for i, d in enumerate(self.model.decoders3):
+            if isinstance(d.feed_forward, PositionwiseFeedForwardDecoderSANM):
+                d.feed_forward = PositionwiseFeedForwardDecoderSANM_export(d.feed_forward)
+            self.model.decoders3[i] = DecoderLayerSANM_export(d)
+        
+        self.output_layer = model.output_layer
+        self.after_norm = model.after_norm
+        self.model_name = model_name
+        
+
+    def prepare_mask(self, mask):
+        mask_3d_btd = mask[:, :, None]
+        if len(mask.shape) == 2:
+            mask_4d_bhlt = 1 - mask[:, None, None, :]
+        elif len(mask.shape) == 3:
+            mask_4d_bhlt = 1 - mask[:, None, :]
+        mask_4d_bhlt = mask_4d_bhlt * -10000.0
+    
+        return mask_3d_btd, mask_4d_bhlt
+
+    def forward(
+        self,
+        hs_pad: torch.Tensor,
+        hlens: torch.Tensor,
+        ys_in_pad: torch.Tensor,
+        ys_in_lens: torch.Tensor,
+    ):
+
+        tgt = ys_in_pad
+        tgt_mask = self.make_pad_mask(ys_in_lens)
+        tgt_mask, _ = self.prepare_mask(tgt_mask)
+        # tgt_mask = myutils.sequence_mask(ys_in_lens, device=tgt.device)[:, :, None]
+
+        memory = hs_pad
+        memory_mask = self.make_pad_mask(hlens)
+        _, memory_mask = self.prepare_mask(memory_mask)
+        # memory_mask = myutils.sequence_mask(hlens, device=memory.device)[:, None, :]
+
+        x = tgt
+        x, tgt_mask, memory, memory_mask, _ = self.model.decoders(
+            x, tgt_mask, memory, memory_mask
+        )
+        if self.model.decoders2 is not None:
+            x, tgt_mask, memory, memory_mask, _ = self.model.decoders2(
+                x, tgt_mask, memory, memory_mask
+            )
+        x, tgt_mask, memory, memory_mask, _ = self.model.decoders3(
+            x, tgt_mask, memory, memory_mask
+        )
+        x = self.after_norm(x)
+        x = self.output_layer(x)
+
+        return x, ys_in_lens
+
+
+    def get_dummy_inputs(self, enc_size):
+        tgt = torch.LongTensor([0]).unsqueeze(0)
+        memory = torch.randn(1, 100, enc_size)
+        pre_acoustic_embeds = torch.randn(1, 1, enc_size)
+        cache_num = len(self.model.decoders) + len(self.model.decoders2)
+        cache = [
+            torch.zeros((1, self.model.decoders[0].size, self.model.decoders[0].self_attn.kernel_size))
+            for _ in range(cache_num)
+        ]
+        return (tgt, memory, pre_acoustic_embeds, cache)
+
+    def is_optimizable(self):
+        return True
+
+    def get_input_names(self):
+        cache_num = len(self.model.decoders) + len(self.model.decoders2)
+        return ['tgt', 'memory', 'pre_acoustic_embeds'] \
+               + ['cache_%d' % i for i in range(cache_num)]
+
+    def get_output_names(self):
+        cache_num = len(self.model.decoders) + len(self.model.decoders2)
+        return ['y'] \
+               + ['out_cache_%d' % i for i in range(cache_num)]
+
+    def get_dynamic_axes(self):
+        ret = {
+            'tgt': {
+                0: 'tgt_batch',
+                1: 'tgt_length'
+            },
+            'memory': {
+                0: 'memory_batch',
+                1: 'memory_length'
+            },
+            'pre_acoustic_embeds': {
+                0: 'acoustic_embeds_batch',
+                1: 'acoustic_embeds_length',
+            }
+        }
+        cache_num = len(self.model.decoders) + len(self.model.decoders2)
+        ret.update({
+            'cache_%d' % d: {
+                0: 'cache_%d_batch' % d,
+                2: 'cache_%d_length' % d
+            }
+            for d in range(cache_num)
+        })
+        return ret
+
+    def get_model_config(self, path):
+        return {
+            "dec_type": "XformerDecoder",
+            "model_path": os.path.join(path, f'{self.model_name}.onnx'),
+            "n_layers": len(self.model.decoders) + len(self.model.decoders2),
+            "odim": self.model.decoders[0].size
+        }
diff --git a/funasr/export/models/e2e_asr_paraformer.py b/funasr/export/models/e2e_asr_paraformer.py
new file mode 100644
index 0000000..84dd9d2
--- /dev/null
+++ b/funasr/export/models/e2e_asr_paraformer.py
@@ -0,0 +1,102 @@
+import logging
+
+
+import torch
+import torch.nn as nn
+
+from funasr.export.utils.torch_function import MakePadMask
+from funasr.export.utils.torch_function import sequence_mask
+from funasr.models.encoder.sanm_encoder import SANMEncoder
+from funasr.export.models.encoder.sanm_encoder import SANMEncoder as SANMEncoder_export
+from funasr.models.predictor.cif import CifPredictorV2
+from funasr.export.models.predictor.cif import CifPredictorV2 as CifPredictorV2_export
+from funasr.models.decoder.sanm_decoder import ParaformerSANMDecoder
+from funasr.export.models.decoder.sanm_decoder import ParaformerSANMDecoder as ParaformerSANMDecoder_export
+
+class Paraformer(nn.Module):
+    """
+    Author: Speech Lab, Alibaba Group, China
+    Paraformer: Fast and Accurate Parallel Transformer for Non-autoregressive End-to-End Speech Recognition
+    https://arxiv.org/abs/2206.08317
+    """
+
+    def __init__(
+            self,
+            model,
+            max_seq_len=512,
+            feats_dim=560,
+            model_name='model',
+            **kwargs,
+    ):
+        super().__init__()
+        onnx = False
+        if "onnx" in kwargs:
+            onnx = kwargs["onnx"]
+        if isinstance(model.encoder, SANMEncoder):
+            self.encoder = SANMEncoder_export(model.encoder, onnx=onnx)
+        if isinstance(model.predictor, CifPredictorV2):
+            self.predictor = CifPredictorV2_export(model.predictor)
+        if isinstance(model.decoder, ParaformerSANMDecoder):
+            self.decoder = ParaformerSANMDecoder_export(model.decoder, onnx=onnx)
+        
+        self.feats_dim = feats_dim
+        self.model_name = model_name
+
+        if onnx:
+            self.make_pad_mask = MakePadMask(max_seq_len, flip=False)
+        else:
+            self.make_pad_mask = sequence_mask(max_seq_len, flip=False)
+        
+    def forward(
+            self,
+            speech: torch.Tensor,
+            speech_lengths: torch.Tensor,
+    ):
+        # a. To device
+        batch = {"speech": speech, "speech_lengths": speech_lengths}
+        # batch = to_device(batch, device=self.device)
+    
+        enc, enc_len = self.encoder(**batch)
+        mask = self.make_pad_mask(enc_len)[:, None, :]
+        pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index = self.predictor(enc, mask)
+        pre_token_length = pre_token_length.round().long()
+
+        decoder_out, _ = self.decoder(enc, enc_len, pre_acoustic_embeds, pre_token_length)
+        decoder_out = torch.log_softmax(decoder_out, dim=-1)
+        # sample_ids = decoder_out.argmax(dim=-1)
+
+        return decoder_out, pre_token_length
+
+    def get_dummy_inputs(self):
+        speech = torch.randn(2, 30, self.feats_dim)
+        speech_lengths = torch.tensor([6, 30], dtype=torch.int32)
+        return (speech, speech_lengths)
+
+    def get_dummy_inputs_txt(self, txt_file: str = "/mnt/workspace/data_fbank/0207/12345.wav.fea.txt"):
+        import numpy as np
+        fbank = np.loadtxt(txt_file)
+        fbank_lengths = np.array([fbank.shape[0], ], dtype=np.int32)
+        speech = torch.from_numpy(fbank[None, :, :].astype(np.float32))
+        speech_lengths = torch.from_numpy(fbank_lengths.astype(np.int32))
+        return (speech, speech_lengths)
+
+    def get_input_names(self):
+        return ['speech', 'speech_lengths']
+
+    def get_output_names(self):
+        return ['logits', 'token_num']
+
+    def get_dynamic_axes(self):
+        return {
+            'speech': {
+                0: 'batch_size',
+                1: 'feats_length'
+            },
+            'speech_lengths': {
+                0: 'batch_size',
+            },
+            'logits': {
+                0: 'batch_size',
+                1: 'logits_length'
+            },
+        }
\ No newline at end of file
diff --git a/funasr/export/models/encoder/__init__.py b/funasr/export/models/encoder/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/funasr/export/models/encoder/__init__.py
diff --git a/funasr/export/models/encoder/sanm_encoder.py b/funasr/export/models/encoder/sanm_encoder.py
new file mode 100644
index 0000000..8a50538
--- /dev/null
+++ b/funasr/export/models/encoder/sanm_encoder.py
@@ -0,0 +1,109 @@
+import torch
+import torch.nn as nn
+
+from funasr.export.utils.torch_function import MakePadMask
+from funasr.export.utils.torch_function import sequence_mask
+from funasr.modules.attention import MultiHeadedAttentionSANM
+from funasr.export.models.modules.multihead_att import MultiHeadedAttentionSANM as MultiHeadedAttentionSANM_export
+from funasr.export.models.modules.encoder_layer import EncoderLayerSANM as EncoderLayerSANM_export
+from funasr.modules.positionwise_feed_forward import PositionwiseFeedForward
+from funasr.export.models.modules.feedforward import PositionwiseFeedForward as PositionwiseFeedForward_export
+
+class SANMEncoder(nn.Module):
+    def __init__(
+        self,
+        model,
+        max_seq_len=512,
+        feats_dim=560,
+        model_name='encoder',
+        onnx: bool = True,
+    ):
+        super().__init__()
+        self.embed = model.embed
+        self.model = model
+        self.feats_dim = feats_dim
+        self._output_size = model._output_size
+
+        if onnx:
+            self.make_pad_mask = MakePadMask(max_seq_len, flip=False)
+        else:
+            self.make_pad_mask = sequence_mask(max_seq_len, flip=False)
+
+        if hasattr(model, 'encoders0'):
+            for i, d in enumerate(self.model.encoders0):
+                if isinstance(d.self_attn, MultiHeadedAttentionSANM):
+                    d.self_attn = MultiHeadedAttentionSANM_export(d.self_attn)
+                if isinstance(d.feed_forward, PositionwiseFeedForward):
+                    d.feed_forward = PositionwiseFeedForward_export(d.feed_forward)
+                self.model.encoders0[i] = EncoderLayerSANM_export(d)
+
+        for i, d in enumerate(self.model.encoders):
+            if isinstance(d.self_attn, MultiHeadedAttentionSANM):
+                d.self_attn = MultiHeadedAttentionSANM_export(d.self_attn)
+            if isinstance(d.feed_forward, PositionwiseFeedForward):
+                d.feed_forward = PositionwiseFeedForward_export(d.feed_forward)
+            self.model.encoders[i] = EncoderLayerSANM_export(d)
+        
+        self.model_name = model_name
+        self.num_heads = model.encoders[0].self_attn.h
+        self.hidden_size = model.encoders[0].self_attn.linear_out.out_features
+
+    
+    def prepare_mask(self, mask):
+        mask_3d_btd = mask[:, :, None]
+        if len(mask.shape) == 2:
+            mask_4d_bhlt = 1 - mask[:, None, None, :]
+        elif len(mask.shape) == 3:
+            mask_4d_bhlt = 1 - mask[:, None, :]
+        mask_4d_bhlt = mask_4d_bhlt * -10000.0
+        
+        return mask_3d_btd, mask_4d_bhlt
+
+    def forward(self,
+                speech: torch.Tensor,
+                speech_lengths: torch.Tensor,
+                ):
+        speech = speech * self._output_size ** 0.5
+        mask = self.make_pad_mask(speech_lengths)
+        mask = self.prepare_mask(mask)
+        if self.embed is None:
+            xs_pad = speech
+        else:
+            xs_pad = self.embed(speech)
+
+        encoder_outs = self.model.encoders0(xs_pad, mask)
+        xs_pad, masks = encoder_outs[0], encoder_outs[1]
+
+        encoder_outs = self.model.encoders(xs_pad, mask)
+        xs_pad, masks = encoder_outs[0], encoder_outs[1]
+
+        xs_pad = self.model.after_norm(xs_pad)
+
+        return xs_pad, speech_lengths
+
+    def get_output_size(self):
+        return self.model.encoders[0].size
+
+    def get_dummy_inputs(self):
+        feats = torch.randn(1, 100, self.feats_dim)
+        return (feats)
+
+    def get_input_names(self):
+        return ['feats']
+
+    def get_output_names(self):
+        return ['encoder_out', 'encoder_out_lens', 'predictor_weight']
+
+    def get_dynamic_axes(self):
+        return {
+            'feats': {
+                1: 'feats_length'
+            },
+            'encoder_out': {
+                1: 'enc_out_length'
+            },
+            'predictor_weight':{
+                1: 'pre_out_length'
+            }
+
+        }
diff --git a/funasr/export/models/modules/__init__.py b/funasr/export/models/modules/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/funasr/export/models/modules/__init__.py
diff --git a/funasr/export/models/modules/decoder_layer.py b/funasr/export/models/modules/decoder_layer.py
new file mode 100644
index 0000000..bc306b1
--- /dev/null
+++ b/funasr/export/models/modules/decoder_layer.py
@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import torch
+from torch import nn
+
+
+class DecoderLayerSANM(nn.Module):
+
+    def __init__(
+        self,
+        model
+    ):
+        super().__init__()
+        self.self_attn = model.self_attn
+        self.src_attn = model.src_attn
+        self.feed_forward = model.feed_forward
+        self.norm1 = model.norm1
+        self.norm2 = model.norm2 if hasattr(model, 'norm2') else None
+        self.norm3 = model.norm3 if hasattr(model, 'norm3') else None
+        self.size = model.size
+
+
+    def forward(self, tgt, tgt_mask, memory, memory_mask=None, cache=None):
+
+        residual = tgt
+        tgt = self.norm1(tgt)
+        tgt = self.feed_forward(tgt)
+
+        x = tgt
+        if self.self_attn is not None:
+            tgt = self.norm2(tgt)
+            x, cache = self.self_attn(tgt, tgt_mask, cache=cache)
+            x = residual + x
+
+        if self.src_attn is not None:
+            residual = x
+            x = self.norm3(x)
+            x = residual + self.src_attn(x, memory, memory_mask)
+
+
+        return x, tgt_mask, memory, memory_mask, cache
+
diff --git a/funasr/export/models/modules/encoder_layer.py b/funasr/export/models/modules/encoder_layer.py
new file mode 100644
index 0000000..800a4f7
--- /dev/null
+++ b/funasr/export/models/modules/encoder_layer.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import torch
+from torch import nn
+
+
+class EncoderLayerSANM(nn.Module):
+    def __init__(
+        self,
+        model,
+    ):
+        """Construct an EncoderLayer object."""
+        super().__init__()
+        self.self_attn = model.self_attn
+        self.feed_forward = model.feed_forward
+        self.norm1 = model.norm1
+        self.norm2 = model.norm2
+        self.size = model.size
+
+    def forward(self, x, mask):
+
+        residual = x
+        x = self.norm1(x)
+        x = self.self_attn(x, mask)
+        if x.size(2) == residual.size(2):
+            x = x + residual
+        residual = x
+        x = self.norm2(x)
+        x = self.feed_forward(x)
+        if x.size(2) == residual.size(2):
+            x = x + residual
+
+        return x, mask
+
+
+
diff --git a/funasr/export/models/modules/feedforward.py b/funasr/export/models/modules/feedforward.py
new file mode 100644
index 0000000..9388ae1
--- /dev/null
+++ b/funasr/export/models/modules/feedforward.py
@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+import torch
+import torch.nn as nn
+
+
+class PositionwiseFeedForward(nn.Module):
+	def __init__(self, model):
+		super().__init__()
+		self.w_1 = model.w_1
+		self.w_2 = model.w_2
+		self.activation = model.activation
+	
+	def forward(self, x):
+		x = self.activation(self.w_1(x))
+		x = self.w_2(x)
+		return x
+
+
+class PositionwiseFeedForwardDecoderSANM(nn.Module):
+	def __init__(self, model):
+		super().__init__()
+		self.w_1 = model.w_1
+		self.w_2 = model.w_2
+		self.activation = model.activation
+		self.norm = model.norm
+	
+	def forward(self, x):
+		x = self.activation(self.w_1(x))
+		x = self.w_2(self.norm(x))
+		return x
\ No newline at end of file
diff --git a/funasr/export/models/modules/multihead_att.py b/funasr/export/models/modules/multihead_att.py
new file mode 100644
index 0000000..377b979
--- /dev/null
+++ b/funasr/export/models/modules/multihead_att.py
@@ -0,0 +1,135 @@
+import os
+import math
+
+import torch
+import torch.nn as nn
+
+class MultiHeadedAttentionSANM(nn.Module):
+    def __init__(self, model):
+        super().__init__()
+        self.d_k = model.d_k
+        self.h = model.h
+        self.linear_out = model.linear_out
+        self.linear_q_k_v = model.linear_q_k_v
+        self.fsmn_block = model.fsmn_block
+        self.pad_fn = model.pad_fn
+
+        self.attn = None
+        self.all_head_size = self.h * self.d_k
+
+    def forward(self, x, mask):
+        mask_3d_btd, mask_4d_bhlt = mask
+        q_h, k_h, v_h, v = self.forward_qkv(x)
+        fsmn_memory = self.forward_fsmn(v, mask_3d_btd)
+        q_h = q_h * self.d_k**(-0.5)
+        scores = torch.matmul(q_h, k_h.transpose(-2, -1))
+        att_outs = self.forward_attention(v_h, scores, mask_4d_bhlt)
+        return att_outs + fsmn_memory
+
+    def transpose_for_scores(self, x: torch.Tensor) -> torch.Tensor:
+        new_x_shape = x.size()[:-1] + (self.h, self.d_k)
+        x = x.view(new_x_shape)
+        return x.permute(0, 2, 1, 3)
+
+    def forward_qkv(self, x):
+
+        q_k_v = self.linear_q_k_v(x)
+        q, k, v = torch.split(q_k_v, int(self.h * self.d_k), dim=-1)
+        q_h = self.transpose_for_scores(q)
+        k_h = self.transpose_for_scores(k)
+        v_h = self.transpose_for_scores(v)
+        return q_h, k_h, v_h, v
+
+    def forward_fsmn(self, inputs, mask):
+
+        # b, t, d = inputs.size()
+        # mask = torch.reshape(mask, (b, -1, 1))
+        inputs = inputs * mask
+        x = inputs.transpose(1, 2)
+        x = self.pad_fn(x)
+        x = self.fsmn_block(x)
+        x = x.transpose(1, 2)
+        x = x + inputs
+        x = x * mask
+        return x
+
+
+    def forward_attention(self, value, scores, mask):
+        scores = scores + mask
+
+        self.attn = torch.softmax(scores, dim=-1)
+        context_layer = torch.matmul(self.attn, value)  # (batch, head, time1, d_k)
+
+        context_layer = context_layer.permute(0, 2, 1, 3).contiguous()
+        new_context_layer_shape = context_layer.size()[:-2] + (self.all_head_size,)
+        context_layer = context_layer.view(new_context_layer_shape)
+        return self.linear_out(context_layer)  # (batch, time1, d_model)
+
+class MultiHeadedAttentionSANMDecoder(nn.Module):
+    def __init__(self, model):
+        super().__init__()
+        self.fsmn_block = model.fsmn_block
+        self.pad_fn = model.pad_fn
+        self.kernel_size = model.kernel_size
+        self.attn = None
+
+    def forward(self, inputs, mask, cache=None):
+
+        # b, t, d = inputs.size()
+        # mask = torch.reshape(mask, (b, -1, 1))
+        inputs = inputs * mask
+
+        x = inputs.transpose(1, 2)
+        if cache is None:
+            x = self.pad_fn(x)
+        else:
+            x = torch.cat((cache[:, :, 1:], x), dim=2)
+            cache = x
+        x = self.fsmn_block(x)
+        x = x.transpose(1, 2)
+
+        x = x + inputs
+        x = x * mask
+        return x, cache
+
+class MultiHeadedAttentionCrossAtt(nn.Module):
+    def __init__(self, model):
+        super().__init__()
+        self.d_k = model.d_k
+        self.h = model.h
+        self.linear_q = model.linear_q
+        self.linear_k_v = model.linear_k_v
+        self.linear_out = model.linear_out
+        self.attn = None
+        self.all_head_size = self.h * self.d_k
+
+    def forward(self, x, memory, memory_mask):
+        q, k, v = self.forward_qkv(x, memory)
+        scores = torch.matmul(q, k.transpose(-2, -1)) / math.sqrt(self.d_k)
+        return self.forward_attention(v, scores, memory_mask)
+
+    def transpose_for_scores(self, x: torch.Tensor) -> torch.Tensor:
+        new_x_shape = x.size()[:-1] + (self.h, self.d_k)
+        x = x.view(new_x_shape)
+        return x.permute(0, 2, 1, 3)
+
+    def forward_qkv(self, x, memory):
+        q = self.linear_q(x)
+
+        k_v = self.linear_k_v(memory)
+        k, v = torch.split(k_v, int(self.h * self.d_k), dim=-1)
+        q = self.transpose_for_scores(q)
+        k = self.transpose_for_scores(k)
+        v = self.transpose_for_scores(v)
+        return q, k, v
+
+    def forward_attention(self, value, scores, mask):
+        scores = scores + mask
+
+        self.attn = torch.softmax(scores, dim=-1)
+        context_layer = torch.matmul(self.attn, value)  # (batch, head, time1, d_k)
+
+        context_layer = context_layer.permute(0, 2, 1, 3).contiguous()
+        new_context_layer_shape = context_layer.size()[:-2] + (self.all_head_size,)
+        context_layer = context_layer.view(new_context_layer_shape)
+        return self.linear_out(context_layer)  # (batch, time1, d_model)
diff --git a/funasr/export/models/predictor/__init__.py b/funasr/export/models/predictor/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/funasr/export/models/predictor/__init__.py
diff --git a/funasr/export/models/predictor/cif.py b/funasr/export/models/predictor/cif.py
new file mode 100644
index 0000000..32a3c13
--- /dev/null
+++ b/funasr/export/models/predictor/cif.py
@@ -0,0 +1,168 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+import torch
+from torch import nn
+import logging
+import numpy as np
+
+
+def sequence_mask(lengths, maxlen=None, dtype=torch.float32, device=None):
+	if maxlen is None:
+		maxlen = lengths.max()
+	row_vector = torch.arange(0, maxlen, 1).to(lengths.device)
+	matrix = torch.unsqueeze(lengths, dim=-1)
+	mask = row_vector < matrix
+	mask = mask.detach()
+	
+	return mask.type(dtype).to(device) if device is not None else mask.type(dtype)
+
+
+class CifPredictorV2(nn.Module):
+	def __init__(self, model):
+		super().__init__()
+		
+		self.pad = model.pad
+		self.cif_conv1d = model.cif_conv1d
+		self.cif_output = model.cif_output
+		self.threshold = model.threshold
+		self.smooth_factor = model.smooth_factor
+		self.noise_threshold = model.noise_threshold
+		self.tail_threshold = model.tail_threshold
+	
+	def forward(self, hidden: torch.Tensor,
+	            mask: torch.Tensor,
+	            ):
+		h = hidden
+		context = h.transpose(1, 2)
+		queries = self.pad(context)
+		output = torch.relu(self.cif_conv1d(queries))
+		output = output.transpose(1, 2)
+		
+		output = self.cif_output(output)
+		alphas = torch.sigmoid(output)
+		alphas = torch.nn.functional.relu(alphas * self.smooth_factor - self.noise_threshold)
+		mask = mask.transpose(-1, -2).float()
+		alphas = alphas * mask
+		
+		alphas = alphas.squeeze(-1)
+		
+		token_num = alphas.sum(-1)
+		
+		acoustic_embeds, cif_peak = cif(hidden, alphas, self.threshold)
+		
+		return acoustic_embeds, token_num, alphas, cif_peak
+	
+	def tail_process_fn(self, hidden, alphas, token_num=None, mask=None):
+		b, t, d = hidden.size()
+		tail_threshold = self.tail_threshold
+		
+		zeros_t = torch.zeros((b, 1), dtype=torch.float32, device=alphas.device)
+		ones_t = torch.ones_like(zeros_t)
+		mask_1 = torch.cat([mask, zeros_t], dim=1)
+		mask_2 = torch.cat([ones_t, mask], dim=1)
+		mask = mask_2 - mask_1
+		tail_threshold = mask * tail_threshold
+		alphas = torch.cat([alphas, tail_threshold], dim=1)
+		
+		zeros = torch.zeros((b, 1, d), dtype=hidden.dtype).to(hidden.device)
+		hidden = torch.cat([hidden, zeros], dim=1)
+		token_num = alphas.sum(dim=-1)
+		token_num_floor = torch.floor(token_num)
+		
+		return hidden, alphas, token_num_floor
+
+@torch.jit.script
+def cif(hidden, alphas, threshold: float):
+	batch_size, len_time, hidden_size = hidden.size()
+	threshold = torch.tensor([threshold], dtype=alphas.dtype).to(alphas.device)
+	
+	# loop varss
+	integrate = torch.zeros([batch_size], device=hidden.device)
+	frame = torch.zeros([batch_size, hidden_size], device=hidden.device)
+	# intermediate vars along time
+	list_fires = []
+	list_frames = []
+	
+	for t in range(len_time):
+		alpha = alphas[:, t]
+		distribution_completion = torch.ones([batch_size], device=hidden.device) - integrate
+		
+		integrate += alpha
+		list_fires.append(integrate)
+		
+		fire_place = integrate >= threshold
+		integrate = torch.where(fire_place,
+		                        integrate - torch.ones([batch_size], device=hidden.device),
+		                        integrate)
+		cur = torch.where(fire_place,
+		                  distribution_completion,
+		                  alpha)
+		remainds = alpha - cur
+		
+		frame += cur[:, None] * hidden[:, t, :]
+		list_frames.append(frame)
+		frame = torch.where(fire_place[:, None].repeat(1, hidden_size),
+		                    remainds[:, None] * hidden[:, t, :],
+		                    frame)
+	
+	fires = torch.stack(list_fires, 1)
+	frames = torch.stack(list_frames, 1)
+	list_ls = []
+	len_labels = torch.round(alphas.sum(-1)).int()
+	max_label_len = len_labels.max()
+	for b in range(batch_size):
+		fire = fires[b, :]
+		l = torch.index_select(frames[b, :, :], 0, torch.nonzero(fire >= threshold).squeeze())
+		pad_l = torch.zeros([int(max_label_len - l.size(0)), int(hidden_size)], device=hidden.device)
+		list_ls.append(torch.cat([l, pad_l], 0))
+	return torch.stack(list_ls, 0), fires
+
+
+def CifPredictorV2_test():
+	x = torch.rand([2, 21, 2])
+	x_len = torch.IntTensor([6, 21])
+	
+	mask = sequence_mask(x_len, maxlen=x.size(1), dtype=x.dtype)
+	x = x * mask[:, :, None]
+	
+	predictor_scripts = torch.jit.script(CifPredictorV2(2, 1, 1))
+	# cif_output, cif_length, alphas, cif_peak = predictor_scripts(x, mask=mask[:, None, :])
+	predictor_scripts.save('test.pt')
+	loaded = torch.jit.load('test.pt')
+	cif_output, cif_length, alphas, cif_peak = loaded(x, mask=mask[:, None, :])
+	# print(cif_output)
+	print(predictor_scripts.code)
+	# predictor = CifPredictorV2(2, 1, 1)
+	# cif_output, cif_length, alphas, cif_peak = predictor(x, mask=mask[:, None, :])
+	print(cif_output)
+
+
+def CifPredictorV2_export_test():
+	x = torch.rand([2, 21, 2])
+	x_len = torch.IntTensor([6, 21])
+	
+	mask = sequence_mask(x_len, maxlen=x.size(1), dtype=x.dtype)
+	x = x * mask[:, :, None]
+	
+	# predictor_scripts = torch.jit.script(CifPredictorV2(2, 1, 1))
+	# cif_output, cif_length, alphas, cif_peak = predictor_scripts(x, mask=mask[:, None, :])
+	predictor = CifPredictorV2(2, 1, 1)
+	predictor_trace = torch.jit.trace(predictor, (x, mask[:, None, :]))
+	predictor_trace.save('test_trace.pt')
+	loaded = torch.jit.load('test_trace.pt')
+	
+	x = torch.rand([3, 30, 2])
+	x_len = torch.IntTensor([6, 20, 30])
+	mask = sequence_mask(x_len, maxlen=x.size(1), dtype=x.dtype)
+	x = x * mask[:, :, None]
+	cif_output, cif_length, alphas, cif_peak = loaded(x, mask=mask[:, None, :])
+	print(cif_output)
+	# print(predictor_trace.code)
+	# predictor = CifPredictorV2(2, 1, 1)
+	# cif_output, cif_length, alphas, cif_peak = predictor(x, mask=mask[:, None, :])
+	# print(cif_output)
+
+
+if __name__ == '__main__':
+	# CifPredictorV2_test()
+	CifPredictorV2_export_test()
\ No newline at end of file
diff --git a/funasr/export/test_onnx.py b/funasr/export/test_onnx.py
new file mode 100644
index 0000000..4351728
--- /dev/null
+++ b/funasr/export/test_onnx.py
@@ -0,0 +1,20 @@
+import onnxruntime
+import numpy as np
+
+
+if __name__ == '__main__':
+    onnx_path = "/mnt/workspace/export/damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch/model.onnx"
+    sess = onnxruntime.InferenceSession(onnx_path)
+    input_name = [nd.name for nd in sess.get_inputs()]
+    output_name = [nd.name for nd in sess.get_outputs()]
+
+    def _get_feed_dict(feats_length):
+        return {'speech': np.zeros((1, feats_length, 560), dtype=np.float32), 'speech_lengths': np.array([feats_length,], dtype=np.int32)}
+
+    def _run(feed_dict):
+        output = sess.run(output_name, input_feed=feed_dict)
+        for name, value in zip(output_name, output):
+            print('{}: {}'.format(name, value.shape))
+
+    _run(_get_feed_dict(100))
+    _run(_get_feed_dict(200))
\ No newline at end of file
diff --git a/funasr/export/test_torchscripts.py b/funasr/export/test_torchscripts.py
new file mode 100644
index 0000000..11be763
--- /dev/null
+++ b/funasr/export/test_torchscripts.py
@@ -0,0 +1,17 @@
+import torch
+import numpy as np
+
+if __name__ == '__main__':
+	onnx_path = "/mnt/workspace/export/damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch/model.torchscripts"
+	loaded = torch.jit.load(onnx_path)
+	
+	x = torch.rand([2, 21, 560])
+	x_len = torch.IntTensor([6, 21])
+	res = loaded(x, x_len)
+	print(res[0].size(), res[1])
+	
+	x = torch.rand([5, 50, 560])
+	x_len = torch.IntTensor([6, 21, 10, 30, 50])
+	res = loaded(x, x_len)
+	print(res[0].size(), res[1])
+	
\ No newline at end of file
diff --git a/funasr/export/utils/__init__.py b/funasr/export/utils/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/funasr/export/utils/__init__.py
diff --git a/funasr/export/utils/torch_function.py b/funasr/export/utils/torch_function.py
new file mode 100644
index 0000000..a078a7e
--- /dev/null
+++ b/funasr/export/utils/torch_function.py
@@ -0,0 +1,80 @@
+from typing import Optional
+
+import torch
+import torch.nn as nn
+
+import numpy as np
+
+
+class MakePadMask(nn.Module):
+    def __init__(self, max_seq_len=512, flip=True):
+        super().__init__()
+        if flip:
+            self.mask_pad = torch.Tensor(1 - np.tri(max_seq_len)).type(torch.bool)
+        else:
+            self.mask_pad = torch.Tensor(np.tri(max_seq_len)).type(torch.bool)
+    
+    def forward(self, lengths, xs=None, length_dim=-1, maxlen=None):
+        """Make mask tensor containing indices of padded part.
+        This implementation creates the same mask tensor with original make_pad_mask,
+        which can be converted into onnx format.
+        Dimension length of xs should be 2 or 3.
+        """
+        if length_dim == 0:
+            raise ValueError("length_dim cannot be 0: {}".format(length_dim))
+
+        if xs is not None and len(xs.shape) == 3:
+            if length_dim == 1:
+                lengths = lengths.unsqueeze(1).expand(
+                    *xs.transpose(1, 2).shape[:2])
+            else:
+                lengths = lengths.unsqueeze(1).expand(*xs.shape[:2])
+
+        if maxlen is not None:
+            m = maxlen
+        elif xs is not None:
+            m = xs.shape[-1]
+        else:
+            m = torch.max(lengths)
+
+        mask = self.mask_pad[lengths - 1][..., :m].type(torch.float32)
+
+        if length_dim == 1:
+            return mask.transpose(1, 2)
+        else:
+            return mask
+
+class sequence_mask(nn.Module):
+    def __init__(self, max_seq_len=512, flip=True):
+        super().__init__()
+    
+    def forward(self, lengths, max_seq_len=None, dtype=torch.float32, device=None):
+        if max_seq_len is None:
+            max_seq_len = lengths.max()
+        row_vector = torch.arange(0, max_seq_len, 1).to(lengths.device)
+        matrix = torch.unsqueeze(lengths, dim=-1)
+        mask = row_vector < matrix
+        
+        return mask.type(dtype).to(device) if device is not None else mask.type(dtype)
+
+def normalize(input: torch.Tensor, p: float = 2.0, dim: int = 1, out: Optional[torch.Tensor] = None) -> torch.Tensor:
+    if out is None:
+        denom = input.norm(p, dim, keepdim=True).expand_as(input)
+        return input / denom
+    else:
+        denom = input.norm(p, dim, keepdim=True).expand_as(input)
+        return torch.div(input, denom, out=out)
+
+def subsequent_mask(size: torch.Tensor):
+    return torch.ones(size, size).tril()
+
+
+def MakePadMask_test():
+    feats_length = torch.tensor([10]).type(torch.long)
+    mask_fn = MakePadMask()
+    mask = mask_fn(feats_length)
+    print(mask)
+
+
+if __name__ == '__main__':
+    MakePadMask_test()
\ No newline at end of file
diff --git a/funasr/models/encoder/sanm_encoder.py b/funasr/models/encoder/sanm_encoder.py
index 4c4bd7c..0751a10 100644
--- a/funasr/models/encoder/sanm_encoder.py
+++ b/funasr/models/encoder/sanm_encoder.py
@@ -293,7 +293,7 @@
             position embedded tensor and mask
         """
         masks = (~make_pad_mask(ilens)[:, None, :]).to(xs_pad.device)
-        xs_pad *= self.output_size()**0.5
+        xs_pad = xs_pad * self.output_size()**0.5
         if self.embed is None:
             xs_pad = xs_pad
         elif (

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