| | |
| | | import os |
| | | import logging |
| | | import torch |
| | | import soundfile |
| | | |
| | | from modelscope.pipelines import pipeline |
| | | from modelscope.utils.constant import Tasks |
| | | from modelscope.utils.logger import get_logger |
| | | |
| | | logger = get_logger(log_level=logging.CRITICAL) |
| | | logger.setLevel(logging.CRITICAL) |
| | | |
| | | os.environ["MODELSCOPE_CACHE"] = "./" |
| | | inference_pipeline = pipeline( |
| | | task=Tasks.auto_speech_recognition, |
| | | model='damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-online', |
| | | model_revision='v1.0.4' |
| | | model_revision='v1.0.5', |
| | | mode="paraformer_fake_streaming" |
| | | ) |
| | | |
| | | model_dir = os.path.join(os.environ["MODELSCOPE_CACHE"], "damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-online") |
| | | speech, sample_rate = soundfile.read(os.path.join(model_dir, "example/asr_example.wav")) |
| | | speech_length = speech.shape[0] |
| | | |
| | | sample_offset = 0 |
| | | chunk_size = [5, 10, 5] #[5, 10, 5] 600ms, [8, 8, 4] 480ms |
| | | stride_size = chunk_size[1] * 960 |
| | | param_dict = {"cache": dict(), "is_final": False, "chunk_size": chunk_size} |
| | | final_result = "" |
| | | |
| | | for sample_offset in range(0, speech_length, min(stride_size, speech_length - sample_offset)): |
| | | if sample_offset + stride_size >= speech_length - 1: |
| | | stride_size = speech_length - sample_offset |
| | | param_dict["is_final"] = True |
| | | rec_result = inference_pipeline(audio_in=speech[sample_offset: sample_offset + stride_size], |
| | | param_dict=param_dict) |
| | | if len(rec_result) != 0: |
| | | final_result += rec_result['text'] |
| | | print(rec_result) |
| | | print(final_result) |
| | | audio_in='https://isv-data.oss-cn-hangzhou.aliyuncs.com/ics/MaaS/ASR/test_audio/asr_example_zh.wav' |
| | | rec_result = inference_pipeline(audio_in=audio_in) |
| | | print(rec_result) |
| New file |
| | |
| | | import os |
| | | import logging |
| | | import torch |
| | | import soundfile |
| | | |
| | | from modelscope.pipelines import pipeline |
| | | from modelscope.utils.constant import Tasks |
| | | from modelscope.utils.logger import get_logger |
| | | |
| | | logger = get_logger(log_level=logging.CRITICAL) |
| | | logger.setLevel(logging.CRITICAL) |
| | | |
| | | os.environ["MODELSCOPE_CACHE"] = "./" |
| | | inference_pipeline = pipeline( |
| | | task=Tasks.auto_speech_recognition, |
| | | model='damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-online', |
| | | model_revision='v1.0.4', |
| | | mode="paraformer_streaming" |
| | | ) |
| | | |
| | | model_dir = os.path.join(os.environ["MODELSCOPE_CACHE"], "damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-online") |
| | | speech, sample_rate = soundfile.read(os.path.join(model_dir, "example/asr_example.wav")) |
| | | speech_length = speech.shape[0] |
| | | |
| | | sample_offset = 0 |
| | | chunk_size = [5, 10, 5] #[5, 10, 5] 600ms, [8, 8, 4] 480ms |
| | | stride_size = chunk_size[1] * 960 |
| | | param_dict = {"cache": dict(), "is_final": False, "chunk_size": chunk_size} |
| | | final_result = "" |
| | | |
| | | for sample_offset in range(0, speech_length, min(stride_size, speech_length - sample_offset)): |
| | | if sample_offset + stride_size >= speech_length - 1: |
| | | stride_size = speech_length - sample_offset |
| | | param_dict["is_final"] = True |
| | | rec_result = inference_pipeline(audio_in=speech[sample_offset: sample_offset + stride_size], |
| | | param_dict=param_dict) |
| | | if len(rec_result) != 0: |
| | | final_result += rec_result['text'] |
| | | print(rec_result) |
| | | print(final_result) |
| | |
| | | return inference_uniasr(**kwargs) |
| | | elif mode == "paraformer": |
| | | return inference_paraformer(**kwargs) |
| | | elif mode == "paraformer_online": |
| | | elif mode == "paraformer_fake_streaming": |
| | | return inference_paraformer(**kwargs) |
| | | elif mode == "paraformer_streaming": |
| | | return inference_paraformer_online(**kwargs) |
| | |
| | | self.embed = torch.nn.Linear(input_size, output_size) |
| | | elif input_layer == "pe": |
| | | self.embed = SinusoidalPositionEncoder() |
| | | elif input_layer == "pe_online": |
| | | self.embed = StreamSinusoidalPositionEncoder() |
| | | else: |
| | | raise ValueError("unknown input_layer: " + input_layer) |
| | | self.normalize_before = normalize_before |
| | |
| | | return (xs_pad, intermediate_outs), olens, None |
| | | return xs_pad, olens, None |
| | | |
| | | def _add_overlap_chunk(self, feats: np.ndarray, cache: dict = {}): |
| | | if len(cache) == 0: |
| | | return feats |
| | | cache["feats"] = to_device(cache["feats"], device=feats.device) |
| | | overlap_feats = torch.cat((cache["feats"], feats), dim=1) |
| | | cache["feats"] = overlap_feats[:, -(cache["chunk_size"][0] + cache["chunk_size"][2]):, :] |
| | | return overlap_feats |
| | | |
| | | def forward_chunk(self, |
| | | xs_pad: torch.Tensor, |
| | | ilens: torch.Tensor, |
| | | cache: dict = None, |
| | | ctc: CTC = None, |
| | | ): |
| | | xs_pad *= self.output_size() ** 0.5 |
| | | if self.embed is None: |
| | | xs_pad = xs_pad |
| | | else: |
| | | xs_pad = self.embed(xs_pad, cache) |
| | | if cache["tail_chunk"]: |
| | | xs_pad = to_device(cache["feats"], device=xs_pad.device) |
| | | else: |
| | | xs_pad = self._add_overlap_chunk(xs_pad, cache) |
| | | encoder_outs = self.encoders0(xs_pad, None, None, None, None) |
| | | xs_pad, masks = encoder_outs[0], encoder_outs[1] |
| | | intermediate_outs = [] |
| | | if len(self.interctc_layer_idx) == 0: |
| | | encoder_outs = self.encoders(xs_pad, None, None, None, None) |
| | | xs_pad, masks = encoder_outs[0], encoder_outs[1] |
| | | else: |
| | | for layer_idx, encoder_layer in enumerate(self.encoders): |
| | | encoder_outs = encoder_layer(xs_pad, None, None, None, None) |
| | | xs_pad, masks = encoder_outs[0], encoder_outs[1] |
| | | if layer_idx + 1 in self.interctc_layer_idx: |
| | | encoder_out = xs_pad |
| | | |
| | | # intermediate outputs are also normalized |
| | | if self.normalize_before: |
| | | encoder_out = self.after_norm(encoder_out) |
| | | |
| | | intermediate_outs.append((layer_idx + 1, encoder_out)) |
| | | |
| | | if self.interctc_use_conditioning: |
| | | ctc_out = ctc.softmax(encoder_out) |
| | | xs_pad = xs_pad + self.conditioning_layer(ctc_out) |
| | | |
| | | if self.normalize_before: |
| | | xs_pad = self.after_norm(xs_pad) |
| | | |
| | | if len(intermediate_outs) > 0: |
| | | return (xs_pad, intermediate_outs), None, None |
| | | return xs_pad, ilens, None |
| | | |
| | | def gen_tf2torch_map_dict(self): |
| | | tensor_name_prefix_torch = self.tf2torch_tensor_name_prefix_torch |
| | | tensor_name_prefix_tf = self.tf2torch_tensor_name_prefix_tf |