嘉渊
2023-04-27 607073619cedf2c114e1589aa6d5953d171f33bf
funasr/models/e2e_asr_mfcca.py
@@ -17,10 +17,13 @@
)
from funasr.models.ctc import CTC
from funasr.models.decoder.abs_decoder import AbsDecoder
from funasr.models.encoder.abs_encoder import AbsEncoder
from funasr.models.frontend.abs_frontend import AbsFrontend
from funasr.models.preencoder.abs_preencoder import AbsPreEncoder
from funasr.models.base_model import FunASRModel
from funasr.models.specaug.abs_specaug import AbsSpecAug
from funasr.layers.abs_normalize import AbsNormalize
from funasr.torch_utils.device_funcs import force_gatherable
from funasr.models.base_model import FunASRModel
if LooseVersion(torch.__version__) >= LooseVersion("1.6.0"):
    from torch.cuda.amp import autocast
@@ -32,18 +35,24 @@
import pdb
import random
import math
class MFCCA(FunASRModel):
    """CTC-attention hybrid Encoder-Decoder model"""
    """
    Author: Audio, Speech and Language Processing Group (ASLP@NPU), Northwestern Polytechnical University
    MFCCA:Multi-Frame Cross-Channel attention for multi-speaker ASR in Multi-party meeting scenario
    https://arxiv.org/abs/2210.05265
    """
    def __init__(
        self,
        vocab_size: int,
        token_list: Union[Tuple[str, ...], List[str]],
        frontend: Optional[torch.nn.Module],
        specaug: Optional[torch.nn.Module],
        normalize: Optional[torch.nn.Module],
            frontend: Optional[AbsFrontend],
            specaug: Optional[AbsSpecAug],
            normalize: Optional[AbsNormalize],
        preencoder: Optional[AbsPreEncoder],
        encoder: torch.nn.Module,
            encoder: AbsEncoder,
        decoder: AbsDecoder,
        ctc: CTC,
        rnnt_decoder: None,
@@ -71,7 +80,6 @@
        self.token_list = token_list.copy()
        
        self.mask_ratio = mask_ratio
        
        self.frontend = frontend
        self.specaug = specaug
@@ -113,7 +121,6 @@
        text_lengths: torch.Tensor,
    ) -> Tuple[torch.Tensor, Dict[str, torch.Tensor], torch.Tensor]:
        """Frontend + Encoder + Decoder + Calc loss
        Args:
            speech: (Batch, Length, ...)
            speech_lengths: (Batch, )
@@ -201,7 +208,6 @@
        self, speech: torch.Tensor, speech_lengths: torch.Tensor
    ) -> Tuple[torch.Tensor, torch.Tensor]:
        """Frontend + Encoder. Note that this method is used by asr_inference.py
        Args:
            speech: (Batch, Length, ...)
            speech_lengths: (Batch, )