| | |
| | | import torch |
| | | from typeguard import check_argument_types |
| | | |
| | | from funasr.layers.abs_normalize import AbsNormalize |
| | | 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.specaug.abs_specaug import AbsSpecAug |
| | | from funasr.torch_utils.device_funcs import force_gatherable |
| | | from funasr.models.base_model import FunASRModel |
| | | |
| | |
| | | |
| | | def __init__( |
| | | self, |
| | | 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, |
| | | ): |
| | | assert check_argument_types() |
| | | |
| | |
| | | speech_lengths: torch.Tensor, |
| | | ) -> Tuple[torch.Tensor, Dict[str, torch.Tensor], torch.Tensor]: |
| | | """Frontend + Encoder + Calc loss |
| | | |
| | | Args: |
| | | speech: (Batch, Length, ...) |
| | | speech_lengths: (Batch, ) |
| | |
| | | speech_lengths: torch.Tensor, |
| | | ): |
| | | """Frontend + Encoder. |
| | | |
| | | Args: |
| | | speech: (Batch, Length, ...) |
| | | speech_lengths: (Batch, ) |
| | |
| | | import torch |
| | | from typeguard import check_argument_types |
| | | |
| | | from funasr.layers.abs_normalize import AbsNormalize |
| | | from funasr.losses.label_smoothing_loss import ( |
| | | LabelSmoothingLoss, # noqa: H301 |
| | | ) |
| | | from funasr.models.ctc import CTC |
| | | from funasr.models.frontend.abs_frontend import AbsFrontend |
| | | from funasr.models.encoder.abs_encoder import AbsEncoder |
| | | from funasr.models.decoder.abs_decoder import AbsDecoder |
| | | from funasr.models.base_model import FunASRModel |
| | | from funasr.models.encoder.abs_encoder import AbsEncoder |
| | | from funasr.models.frontend.abs_frontend import AbsFrontend |
| | | from funasr.models.postencoder.abs_postencoder import AbsPostEncoder |
| | | from funasr.models.preencoder.abs_preencoder import AbsPreEncoder |
| | | from funasr.models.specaug.abs_specaug import AbsSpecAug |
| | | from funasr.modules.add_sos_eos import add_sos_eos |
| | | from funasr.modules.e2e_asr_common import ErrorCalculator |
| | | from funasr.modules.nets_utils import th_accuracy |
| | | 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 |
| | |
| | | vocab_size: int, |
| | | token_list: Union[Tuple[str, ...], List[str]], |
| | | frontend: Optional[AbsFrontend], |
| | | specaug: Optional[torch.nn.Module], |
| | | normalize: Optional[torch.nn.Module], |
| | | specaug: Optional[AbsSpecAug], |
| | | normalize: Optional[AbsNormalize], |
| | | preencoder: Optional[AbsPreEncoder], |
| | | encoder: AbsEncoder, |
| | | postencoder: Optional[AbsPostEncoder], |
| | | decoder: AbsDecoder, |
| | | ctc: CTC, |
| | | ctc_weight: float = 0.5, |
| | |
| | | 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, ) |
| | |
| | | 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, ) |
| | |
| | | ys_pad_lens: torch.Tensor, |
| | | ) -> torch.Tensor: |
| | | """Compute negative log likelihood(nll) from transformer-decoder |
| | | |
| | | Normally, this function is called in batchify_nll. |
| | | |
| | | Args: |
| | | encoder_out: (Batch, Length, Dim) |
| | | encoder_out_lens: (Batch,) |
| | |
| | | batch_size: int = 100, |
| | | ): |
| | | """Compute negative log likelihood(nll) from transformer-decoder |
| | | |
| | | To avoid OOM, this fuction seperate the input into batches. |
| | | Then call nll for each batch and combine and return results. |
| | | Args: |
| | |
| | | ) |
| | | 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 |
| | |
| | | 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], |
| | | preencoder: Optional[AbsPreEncoder], |
| | | encoder: torch.nn.Module, |
| | | decoder: AbsDecoder, |
| | | ctc: CTC, |
| | | rnnt_decoder: None, |
| | | ctc_weight: float = 0.5, |
| | | ignore_id: int = -1, |
| | | lsm_weight: float = 0.0, |
| | | mask_ratio: float = 0.0, |
| | | length_normalized_loss: bool = False, |
| | | report_cer: bool = True, |
| | | report_wer: bool = True, |
| | | sym_space: str = "<space>", |
| | | sym_blank: str = "<blank>", |
| | | self, |
| | | vocab_size: int, |
| | | token_list: Union[Tuple[str, ...], List[str]], |
| | | frontend: Optional[AbsFrontend], |
| | | specaug: Optional[AbsSpecAug], |
| | | normalize: Optional[AbsNormalize], |
| | | preencoder: Optional[AbsPreEncoder], |
| | | encoder: AbsEncoder, |
| | | decoder: AbsDecoder, |
| | | ctc: CTC, |
| | | rnnt_decoder: None, |
| | | ctc_weight: float = 0.5, |
| | | ignore_id: int = -1, |
| | | lsm_weight: float = 0.0, |
| | | mask_ratio: float = 0.0, |
| | | length_normalized_loss: bool = False, |
| | | report_cer: bool = True, |
| | | report_wer: bool = True, |
| | | sym_space: str = "<space>", |
| | | sym_blank: str = "<blank>", |
| | | ): |
| | | assert check_argument_types() |
| | | assert 0.0 <= ctc_weight <= 1.0, ctc_weight |
| | |
| | | self.ignore_id = ignore_id |
| | | self.ctc_weight = ctc_weight |
| | | self.token_list = token_list.copy() |
| | | |
| | | |
| | | self.mask_ratio = mask_ratio |
| | | |
| | | |
| | | self.frontend = frontend |
| | | self.specaug = specaug |
| | | self.normalize = normalize |
| | |
| | | self.error_calculator = None |
| | | |
| | | def forward( |
| | | self, |
| | | speech: torch.Tensor, |
| | | speech_lengths: torch.Tensor, |
| | | text: torch.Tensor, |
| | | text_lengths: torch.Tensor, |
| | | self, |
| | | speech: torch.Tensor, |
| | | speech_lengths: torch.Tensor, |
| | | text: torch.Tensor, |
| | | 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, ) |
| | |
| | | assert text_lengths.dim() == 1, text_lengths.shape |
| | | # Check that batch_size is unified |
| | | assert ( |
| | | speech.shape[0] |
| | | == speech_lengths.shape[0] |
| | | == text.shape[0] |
| | | == text_lengths.shape[0] |
| | | speech.shape[0] |
| | | == speech_lengths.shape[0] |
| | | == text.shape[0] |
| | | == text_lengths.shape[0] |
| | | ), (speech.shape, speech_lengths.shape, text.shape, text_lengths.shape) |
| | | #pdb.set_trace() |
| | | if(speech.dim()==3 and speech.size(2)==8 and self.mask_ratio !=0): |
| | | # pdb.set_trace() |
| | | if (speech.dim() == 3 and speech.size(2) == 8 and self.mask_ratio != 0): |
| | | rate_num = random.random() |
| | | #rate_num = 0.1 |
| | | if(rate_num<=self.mask_ratio): |
| | | retain_channel = math.ceil(random.random() *8) |
| | | if(retain_channel>1): |
| | | speech = speech[:,:,torch.randperm(8)[0:retain_channel].sort().values] |
| | | # rate_num = 0.1 |
| | | if (rate_num <= self.mask_ratio): |
| | | retain_channel = math.ceil(random.random() * 8) |
| | | if (retain_channel > 1): |
| | | speech = speech[:, :, torch.randperm(8)[0:retain_channel].sort().values] |
| | | else: |
| | | speech = speech[:,:,torch.randperm(8)[0]] |
| | | #pdb.set_trace() |
| | | speech = speech[:, :, torch.randperm(8)[0]] |
| | | # pdb.set_trace() |
| | | batch_size = speech.shape[0] |
| | | # for data-parallel |
| | | text = text[:, : text_lengths.max()] |
| | |
| | | return loss, stats, weight |
| | | |
| | | def collect_feats( |
| | | self, |
| | | speech: torch.Tensor, |
| | | speech_lengths: torch.Tensor, |
| | | text: torch.Tensor, |
| | | text_lengths: torch.Tensor, |
| | | self, |
| | | speech: torch.Tensor, |
| | | speech_lengths: torch.Tensor, |
| | | text: torch.Tensor, |
| | | text_lengths: torch.Tensor, |
| | | ) -> Dict[str, torch.Tensor]: |
| | | feats, feats_lengths, channel_size = self._extract_feats(speech, speech_lengths) |
| | | return {"feats": feats, "feats_lengths": feats_lengths} |
| | | |
| | | def encode( |
| | | self, speech: torch.Tensor, speech_lengths: torch.Tensor |
| | | 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, ) |
| | |
| | | # Pre-encoder, e.g. used for raw input data |
| | | if self.preencoder is not None: |
| | | feats, feats_lengths = self.preencoder(feats, feats_lengths) |
| | | #pdb.set_trace() |
| | | # pdb.set_trace() |
| | | encoder_out, encoder_out_lens, _ = self.encoder(feats, feats_lengths, channel_size) |
| | | |
| | | assert encoder_out.size(0) == speech.size(0), ( |
| | | encoder_out.size(), |
| | | speech.size(0), |
| | | ) |
| | | if(encoder_out.dim()==4): |
| | | if (encoder_out.dim() == 4): |
| | | assert encoder_out.size(2) <= encoder_out_lens.max(), ( |
| | | encoder_out.size(), |
| | | encoder_out_lens.max(), |
| | |
| | | return encoder_out, encoder_out_lens |
| | | |
| | | def _extract_feats( |
| | | self, speech: torch.Tensor, speech_lengths: torch.Tensor |
| | | self, speech: torch.Tensor, speech_lengths: torch.Tensor |
| | | ) -> Tuple[torch.Tensor, torch.Tensor]: |
| | | assert speech_lengths.dim() == 1, speech_lengths.shape |
| | | # for data-parallel |
| | |
| | | return feats, feats_lengths, channel_size |
| | | |
| | | def _calc_att_loss( |
| | | self, |
| | | encoder_out: torch.Tensor, |
| | | encoder_out_lens: torch.Tensor, |
| | | ys_pad: torch.Tensor, |
| | | ys_pad_lens: torch.Tensor, |
| | | self, |
| | | encoder_out: torch.Tensor, |
| | | encoder_out_lens: torch.Tensor, |
| | | ys_pad: torch.Tensor, |
| | | ys_pad_lens: torch.Tensor, |
| | | ): |
| | | ys_in_pad, ys_out_pad = add_sos_eos(ys_pad, self.sos, self.eos, self.ignore_id) |
| | | ys_in_lens = ys_pad_lens + 1 |
| | |
| | | return loss_att, acc_att, cer_att, wer_att |
| | | |
| | | def _calc_ctc_loss( |
| | | self, |
| | | encoder_out: torch.Tensor, |
| | | encoder_out_lens: torch.Tensor, |
| | | ys_pad: torch.Tensor, |
| | | ys_pad_lens: torch.Tensor, |
| | | self, |
| | | encoder_out: torch.Tensor, |
| | | encoder_out_lens: torch.Tensor, |
| | | ys_pad: torch.Tensor, |
| | | ys_pad_lens: torch.Tensor, |
| | | ): |
| | | # Calc CTC loss |
| | | if(encoder_out.dim()==4): |
| | | if (encoder_out.dim() == 4): |
| | | encoder_out = encoder_out.mean(1) |
| | | loss_ctc = self.ctc(encoder_out, encoder_out_lens, ys_pad, ys_pad_lens) |
| | | |
| | |
| | | return loss_ctc, cer_ctc |
| | | |
| | | def _calc_rnnt_loss( |
| | | self, |
| | | encoder_out: torch.Tensor, |
| | | encoder_out_lens: torch.Tensor, |
| | | ys_pad: torch.Tensor, |
| | | ys_pad_lens: torch.Tensor, |
| | | self, |
| | | encoder_out: torch.Tensor, |
| | | encoder_out_lens: torch.Tensor, |
| | | ys_pad: torch.Tensor, |
| | | ys_pad_lens: torch.Tensor, |
| | | ): |
| | | raise NotImplementedError |
| | | raise NotImplementedError |
| | |
| | | import numpy as np |
| | | from typeguard import check_argument_types |
| | | |
| | | from funasr.layers.abs_normalize import AbsNormalize |
| | | from funasr.losses.label_smoothing_loss import ( |
| | | LabelSmoothingLoss, # noqa: H301 |
| | | ) |
| | | from funasr.models.ctc import CTC |
| | | from funasr.models.decoder.abs_decoder import AbsDecoder |
| | | from funasr.models.e2e_asr_common import ErrorCalculator |
| | | from funasr.models.encoder.abs_encoder import AbsEncoder |
| | | from funasr.models.frontend.abs_frontend import AbsFrontend |
| | | from funasr.models.postencoder.abs_postencoder import AbsPostEncoder |
| | | from funasr.models.predictor.cif import mae_loss |
| | | 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.modules.add_sos_eos import add_sos_eos |
| | | from funasr.modules.nets_utils import make_pad_mask, pad_list |
| | | from funasr.modules.nets_utils import th_accuracy |
| | | from funasr.torch_utils.device_funcs import force_gatherable |
| | | from funasr.models.base_model import FunASRModel |
| | | from funasr.models.predictor.cif import CifPredictorV3 |
| | | |
| | | |
| | | if LooseVersion(torch.__version__) >= LooseVersion("1.6.0"): |
| | | from torch.cuda.amp import autocast |
| | |
| | | |
| | | class Paraformer(FunASRModel): |
| | | """ |
| | | Author: Speech Lab, Alibaba Group, China |
| | | Author: Speech Lab of DAMO Academy, Alibaba Group |
| | | Paraformer: Fast and Accurate Parallel Transformer for Non-autoregressive End-to-End Speech Recognition |
| | | https://arxiv.org/abs/2206.08317 |
| | | """ |
| | |
| | | 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], |
| | | encoder: torch.nn.Module, |
| | | frontend: Optional[AbsFrontend], |
| | | specaug: Optional[AbsSpecAug], |
| | | normalize: Optional[AbsNormalize], |
| | | preencoder: Optional[AbsPreEncoder], |
| | | encoder: AbsEncoder, |
| | | postencoder: Optional[AbsPostEncoder], |
| | | decoder: AbsDecoder, |
| | | ctc: CTC, |
| | | ctc_weight: float = 0.5, |
| | |
| | | self.frontend = frontend |
| | | self.specaug = specaug |
| | | self.normalize = normalize |
| | | self.preencoder = preencoder |
| | | self.postencoder = postencoder |
| | | self.encoder = encoder |
| | | |
| | | if not hasattr(self.encoder, "interctc_use_conditioning"): |
| | | self.encoder.interctc_use_conditioning = False |
| | | if self.encoder.interctc_use_conditioning: |
| | | self.encoder.conditioning_layer = torch.nn.Linear( |
| | | vocab_size, self.encoder.output_size() |
| | | ) |
| | | |
| | | self.error_calculator = None |
| | | |
| | |
| | | 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, ) |
| | |
| | | |
| | | # 1. Encoder |
| | | encoder_out, encoder_out_lens = self.encode(speech, speech_lengths) |
| | | intermediate_outs = None |
| | | if isinstance(encoder_out, tuple): |
| | | intermediate_outs = encoder_out[1] |
| | | encoder_out = encoder_out[0] |
| | | |
| | | loss_att, acc_att, cer_att, wer_att = None, None, None, None |
| | |
| | | # Collect CTC branch stats |
| | | stats["loss_ctc"] = loss_ctc.detach() if loss_ctc is not None else None |
| | | stats["cer_ctc"] = cer_ctc |
| | | |
| | | # Intermediate CTC (optional) |
| | | loss_interctc = 0.0 |
| | | if self.interctc_weight != 0.0 and intermediate_outs is not None: |
| | | for layer_idx, intermediate_out in intermediate_outs: |
| | | # we assume intermediate_out has the same length & padding |
| | | # as those of encoder_out |
| | | loss_ic, cer_ic = self._calc_ctc_loss( |
| | | intermediate_out, encoder_out_lens, text, text_lengths |
| | | ) |
| | | loss_interctc = loss_interctc + loss_ic |
| | | |
| | | # Collect Intermedaite CTC stats |
| | | stats["loss_interctc_layer{}".format(layer_idx)] = ( |
| | | loss_ic.detach() if loss_ic is not None else None |
| | | ) |
| | | stats["cer_interctc_layer{}".format(layer_idx)] = cer_ic |
| | | |
| | | loss_interctc = loss_interctc / len(intermediate_outs) |
| | | |
| | | # calculate whole encoder loss |
| | | loss_ctc = ( |
| | | 1 - self.interctc_weight |
| | | ) * loss_ctc + self.interctc_weight * loss_interctc |
| | | |
| | | # 2b. Attention decoder branch |
| | | if self.ctc_weight != 1.0: |
| | |
| | | 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, ) |
| | |
| | | if self.normalize is not None: |
| | | feats, feats_lengths = self.normalize(feats, feats_lengths) |
| | | |
| | | # Pre-encoder, e.g. used for raw input data |
| | | if self.preencoder is not None: |
| | | feats, feats_lengths = self.preencoder(feats, feats_lengths) |
| | | |
| | | # 4. Forward encoder |
| | | encoder_out, encoder_out_lens, _ = self.encoder(feats, feats_lengths) |
| | | # feats: (Batch, Length, Dim) |
| | | # -> encoder_out: (Batch, Length2, Dim2) |
| | | if self.encoder.interctc_use_conditioning: |
| | | encoder_out, encoder_out_lens, _ = self.encoder( |
| | | feats, feats_lengths, ctc=self.ctc |
| | | ) |
| | | else: |
| | | encoder_out, encoder_out_lens, _ = self.encoder(feats, feats_lengths) |
| | | intermediate_outs = None |
| | | if isinstance(encoder_out, tuple): |
| | | intermediate_outs = encoder_out[1] |
| | | encoder_out = encoder_out[0] |
| | | |
| | | # Post-encoder, e.g. NLU |
| | | if self.postencoder is not None: |
| | | encoder_out, encoder_out_lens = self.postencoder( |
| | | encoder_out, encoder_out_lens |
| | | ) |
| | | |
| | | assert encoder_out.size(0) == speech.size(0), ( |
| | | encoder_out.size(), |
| | |
| | | encoder_out_lens.max(), |
| | | ) |
| | | |
| | | if intermediate_outs is not None: |
| | | return (encoder_out, intermediate_outs), encoder_out_lens |
| | | |
| | | return encoder_out, encoder_out_lens |
| | | |
| | | def encode_chunk( |
| | | self, speech: torch.Tensor, speech_lengths: torch.Tensor, cache: dict = None |
| | | ) -> Tuple[torch.Tensor, torch.Tensor]: |
| | | """Frontend + Encoder. Note that this method is used by asr_inference.py |
| | | |
| | | Args: |
| | | speech: (Batch, Length, ...) |
| | | speech_lengths: (Batch, ) |
| | | """ |
| | | with autocast(False): |
| | | # 1. Extract feats |
| | | feats, feats_lengths = self._extract_feats(speech, speech_lengths) |
| | | |
| | | # 2. Data augmentation |
| | | if self.specaug is not None and self.training: |
| | | feats, feats_lengths = self.specaug(feats, feats_lengths) |
| | | |
| | | # 3. Normalization for feature: e.g. Global-CMVN, Utterance-CMVN |
| | | if self.normalize is not None: |
| | | feats, feats_lengths = self.normalize(feats, feats_lengths) |
| | | |
| | | # 4. Forward encoder |
| | | encoder_out, encoder_out_lens, _ = self.encoder.forward_chunk(feats, feats_lengths, cache=cache["encoder"]) |
| | | |
| | | return encoder_out, torch.tensor([encoder_out.size(1)]) |
| | | |
| | | def calc_predictor(self, encoder_out, encoder_out_lens): |
| | | |
| | | encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to( |
| | | encoder_out.device) |
| | | pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index = self.predictor(encoder_out, None, encoder_out_mask, |
| | | ignore_id=self.ignore_id) |
| | | return pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index |
| | | |
| | | def calc_predictor_chunk(self, encoder_out, cache=None): |
| | | |
| | | pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index = self.predictor.forward_chunk(encoder_out, cache["encoder"]) |
| | | pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index = self.predictor(encoder_out, None, |
| | | encoder_out_mask, |
| | | ignore_id=self.ignore_id) |
| | | return pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index |
| | | |
| | | def cal_decoder_with_predictor(self, encoder_out, encoder_out_lens, sematic_embeds, ys_pad_lens): |
| | |
| | | decoder_out = decoder_outs[0] |
| | | decoder_out = torch.log_softmax(decoder_out, dim=-1) |
| | | return decoder_out, ys_pad_lens |
| | | |
| | | def cal_decoder_with_predictor_chunk(self, encoder_out, sematic_embeds, cache=None): |
| | | decoder_outs = self.decoder.forward_chunk( |
| | | encoder_out, sematic_embeds, cache["decoder"] |
| | | ) |
| | | decoder_out = decoder_outs |
| | | decoder_out = torch.log_softmax(decoder_out, dim=-1) |
| | | return decoder_out |
| | | |
| | | def _extract_feats( |
| | | self, speech: torch.Tensor, speech_lengths: torch.Tensor |
| | |
| | | ys_pad_lens: torch.Tensor, |
| | | ) -> torch.Tensor: |
| | | """Compute negative log likelihood(nll) from transformer-decoder |
| | | |
| | | Normally, this function is called in batchify_nll. |
| | | |
| | | Args: |
| | | encoder_out: (Batch, Length, Dim) |
| | | encoder_out_lens: (Batch,) |
| | |
| | | batch_size: int = 100, |
| | | ): |
| | | """Compute negative log likelihood(nll) from transformer-decoder |
| | | |
| | | To avoid OOM, this fuction seperate the input into batches. |
| | | Then call nll for each batch and combine and return results. |
| | | Args: |
| | |
| | | return loss_ctc, cer_ctc |
| | | |
| | | |
| | | class ParaformerBert(Paraformer): |
| | | class ParaformerOnline(Paraformer): |
| | | """ |
| | | 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, *args, **kwargs, |
| | | ): |
| | | super().__init__(*args, **kwargs) |
| | | |
| | | def forward( |
| | | self, |
| | | speech: torch.Tensor, |
| | | speech_lengths: torch.Tensor, |
| | | text: torch.Tensor, |
| | | 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, ) |
| | | text: (Batch, Length) |
| | | text_lengths: (Batch,) |
| | | """ |
| | | assert text_lengths.dim() == 1, text_lengths.shape |
| | | # Check that batch_size is unified |
| | | assert ( |
| | | speech.shape[0] |
| | | == speech_lengths.shape[0] |
| | | == text.shape[0] |
| | | == text_lengths.shape[0] |
| | | ), (speech.shape, speech_lengths.shape, text.shape, text_lengths.shape) |
| | | batch_size = speech.shape[0] |
| | | self.step_cur += 1 |
| | | # for data-parallel |
| | | text = text[:, : text_lengths.max()] |
| | | speech = speech[:, :speech_lengths.max()] |
| | | |
| | | # 1. Encoder |
| | | encoder_out, encoder_out_lens = self.encode(speech, speech_lengths) |
| | | intermediate_outs = None |
| | | if isinstance(encoder_out, tuple): |
| | | intermediate_outs = encoder_out[1] |
| | | encoder_out = encoder_out[0] |
| | | |
| | | loss_att, acc_att, cer_att, wer_att = None, None, None, None |
| | | loss_ctc, cer_ctc = None, None |
| | | loss_pre = None |
| | | stats = dict() |
| | | |
| | | # 1. CTC branch |
| | | if self.ctc_weight != 0.0: |
| | | loss_ctc, cer_ctc = self._calc_ctc_loss( |
| | | encoder_out, encoder_out_lens, text, text_lengths |
| | | ) |
| | | |
| | | # Collect CTC branch stats |
| | | stats["loss_ctc"] = loss_ctc.detach() if loss_ctc is not None else None |
| | | stats["cer_ctc"] = cer_ctc |
| | | |
| | | # Intermediate CTC (optional) |
| | | loss_interctc = 0.0 |
| | | if self.interctc_weight != 0.0 and intermediate_outs is not None: |
| | | for layer_idx, intermediate_out in intermediate_outs: |
| | | # we assume intermediate_out has the same length & padding |
| | | # as those of encoder_out |
| | | loss_ic, cer_ic = self._calc_ctc_loss( |
| | | intermediate_out, encoder_out_lens, text, text_lengths |
| | | ) |
| | | loss_interctc = loss_interctc + loss_ic |
| | | |
| | | # Collect Intermedaite CTC stats |
| | | stats["loss_interctc_layer{}".format(layer_idx)] = ( |
| | | loss_ic.detach() if loss_ic is not None else None |
| | | ) |
| | | stats["cer_interctc_layer{}".format(layer_idx)] = cer_ic |
| | | |
| | | loss_interctc = loss_interctc / len(intermediate_outs) |
| | | |
| | | # calculate whole encoder loss |
| | | loss_ctc = ( |
| | | 1 - self.interctc_weight |
| | | ) * loss_ctc + self.interctc_weight * loss_interctc |
| | | |
| | | # 2b. Attention decoder branch |
| | | if self.ctc_weight != 1.0: |
| | | loss_att, acc_att, cer_att, wer_att, loss_pre = self._calc_att_loss( |
| | | encoder_out, encoder_out_lens, text, text_lengths |
| | | ) |
| | | |
| | | # 3. CTC-Att loss definition |
| | | if self.ctc_weight == 0.0: |
| | | loss = loss_att + loss_pre * self.predictor_weight |
| | | elif self.ctc_weight == 1.0: |
| | | loss = loss_ctc |
| | | else: |
| | | loss = self.ctc_weight * loss_ctc + (1 - self.ctc_weight) * loss_att + loss_pre * self.predictor_weight |
| | | |
| | | # Collect Attn branch stats |
| | | stats["loss_att"] = loss_att.detach() if loss_att is not None else None |
| | | stats["acc"] = acc_att |
| | | stats["cer"] = cer_att |
| | | stats["wer"] = wer_att |
| | | stats["loss_pre"] = loss_pre.detach().cpu() if loss_pre is not None else None |
| | | |
| | | stats["loss"] = torch.clone(loss.detach()) |
| | | |
| | | # force_gatherable: to-device and to-tensor if scalar for DataParallel |
| | | loss, stats, weight = force_gatherable((loss, stats, batch_size), loss.device) |
| | | return loss, stats, weight |
| | | |
| | | def encode_chunk( |
| | | self, speech: torch.Tensor, speech_lengths: torch.Tensor, cache: dict = None |
| | | ) -> Tuple[torch.Tensor, torch.Tensor]: |
| | | """Frontend + Encoder. Note that this method is used by asr_inference.py |
| | | Args: |
| | | speech: (Batch, Length, ...) |
| | | speech_lengths: (Batch, ) |
| | | """ |
| | | with autocast(False): |
| | | # 1. Extract feats |
| | | feats, feats_lengths = self._extract_feats(speech, speech_lengths) |
| | | |
| | | # 2. Data augmentation |
| | | if self.specaug is not None and self.training: |
| | | feats, feats_lengths = self.specaug(feats, feats_lengths) |
| | | |
| | | # 3. Normalization for feature: e.g. Global-CMVN, Utterance-CMVN |
| | | if self.normalize is not None: |
| | | feats, feats_lengths = self.normalize(feats, feats_lengths) |
| | | |
| | | # Pre-encoder, e.g. used for raw input data |
| | | if self.preencoder is not None: |
| | | feats, feats_lengths = self.preencoder(feats, feats_lengths) |
| | | |
| | | # 4. Forward encoder |
| | | # feats: (Batch, Length, Dim) |
| | | # -> encoder_out: (Batch, Length2, Dim2) |
| | | if self.encoder.interctc_use_conditioning: |
| | | encoder_out, encoder_out_lens, _ = self.encoder.forward_chunk( |
| | | feats, feats_lengths, cache=cache["encoder"], ctc=self.ctc |
| | | ) |
| | | else: |
| | | encoder_out, encoder_out_lens, _ = self.encoder.forward_chunk(feats, feats_lengths, cache=cache["encoder"]) |
| | | intermediate_outs = None |
| | | if isinstance(encoder_out, tuple): |
| | | intermediate_outs = encoder_out[1] |
| | | encoder_out = encoder_out[0] |
| | | |
| | | # Post-encoder, e.g. NLU |
| | | if self.postencoder is not None: |
| | | encoder_out, encoder_out_lens = self.postencoder( |
| | | encoder_out, encoder_out_lens |
| | | ) |
| | | |
| | | if intermediate_outs is not None: |
| | | return (encoder_out, intermediate_outs), encoder_out_lens |
| | | |
| | | return encoder_out, torch.tensor([encoder_out.size(1)]) |
| | | |
| | | def calc_predictor_chunk(self, encoder_out, cache=None): |
| | | |
| | | pre_acoustic_embeds, pre_token_length = \ |
| | | self.predictor.forward_chunk(encoder_out, cache["encoder"]) |
| | | return pre_acoustic_embeds, pre_token_length |
| | | |
| | | def cal_decoder_with_predictor_chunk(self, encoder_out, sematic_embeds, cache=None): |
| | | decoder_outs = self.decoder.forward_chunk( |
| | | encoder_out, sematic_embeds, cache["decoder"] |
| | | ) |
| | | decoder_out = decoder_outs |
| | | decoder_out = torch.log_softmax(decoder_out, dim=-1) |
| | | return decoder_out |
| | | |
| | | |
| | | class ParaformerBert(Paraformer): |
| | | """ |
| | | Author: Speech Lab of DAMO Academy, Alibaba Group |
| | | Paraformer2: advanced paraformer with LFMMI and bert for non-autoregressive end-to-end speech recognition |
| | | """ |
| | | |
| | |
| | | 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, |
| | | postencoder: Optional[AbsPostEncoder], |
| | | decoder: AbsDecoder, |
| | | ctc: CTC, |
| | |
| | | embed_lengths: torch.Tensor = None, |
| | | ) -> Tuple[torch.Tensor, Dict[str, torch.Tensor], torch.Tensor]: |
| | | """Frontend + Encoder + Decoder + Calc loss |
| | | |
| | | Args: |
| | | speech: (Batch, Length, ...) |
| | | speech_lengths: (Batch, ) |
| | |
| | | |
| | | |
| | | class BiCifParaformer(Paraformer): |
| | | |
| | | """ |
| | | Paraformer model with an extra cif predictor |
| | | to conduct accurate timestamp prediction |
| | | """ |
| | | |
| | | 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], |
| | | preencoder: Optional[AbsPreEncoder], |
| | | encoder: torch.nn.Module, |
| | | postencoder: Optional[AbsPostEncoder], |
| | | decoder: AbsDecoder, |
| | | ctc: CTC, |
| | | ctc_weight: float = 0.5, |
| | | interctc_weight: float = 0.0, |
| | | ignore_id: int = -1, |
| | | blank_id: int = 0, |
| | | sos: int = 1, |
| | | eos: int = 2, |
| | | lsm_weight: float = 0.0, |
| | | length_normalized_loss: bool = False, |
| | | report_cer: bool = True, |
| | | report_wer: bool = True, |
| | | sym_space: str = "<space>", |
| | | sym_blank: str = "<blank>", |
| | | extract_feats_in_collect_stats: bool = True, |
| | | predictor = None, |
| | | predictor_weight: float = 0.0, |
| | | predictor_bias: int = 0, |
| | | sampling_ratio: float = 0.2, |
| | | self, |
| | | vocab_size: int, |
| | | token_list: Union[Tuple[str, ...], List[str]], |
| | | frontend: Optional[AbsFrontend], |
| | | specaug: Optional[AbsSpecAug], |
| | | normalize: Optional[AbsNormalize], |
| | | preencoder: Optional[AbsPreEncoder], |
| | | encoder: AbsEncoder, |
| | | postencoder: Optional[AbsPostEncoder], |
| | | decoder: AbsDecoder, |
| | | ctc: CTC, |
| | | ctc_weight: float = 0.5, |
| | | interctc_weight: float = 0.0, |
| | | ignore_id: int = -1, |
| | | blank_id: int = 0, |
| | | sos: int = 1, |
| | | eos: int = 2, |
| | | lsm_weight: float = 0.0, |
| | | length_normalized_loss: bool = False, |
| | | report_cer: bool = True, |
| | | report_wer: bool = True, |
| | | sym_space: str = "<space>", |
| | | sym_blank: str = "<blank>", |
| | | extract_feats_in_collect_stats: bool = True, |
| | | predictor=None, |
| | | predictor_weight: float = 0.0, |
| | | predictor_bias: int = 0, |
| | | sampling_ratio: float = 0.2, |
| | | ): |
| | | assert check_argument_types() |
| | | assert 0.0 <= ctc_weight <= 1.0, ctc_weight |
| | | assert 0.0 <= interctc_weight < 1.0, interctc_weight |
| | | |
| | | super().__init__( |
| | | vocab_size=vocab_size, |
| | | token_list=token_list, |
| | | frontend=frontend, |
| | | specaug=specaug, |
| | | normalize=normalize, |
| | | preencoder=preencoder, |
| | | encoder=encoder, |
| | | postencoder=postencoder, |
| | | decoder=decoder, |
| | | ctc=ctc, |
| | | ctc_weight=ctc_weight, |
| | | interctc_weight=interctc_weight, |
| | | ignore_id=ignore_id, |
| | | blank_id=blank_id, |
| | | sos=sos, |
| | | eos=eos, |
| | | lsm_weight=lsm_weight, |
| | | length_normalized_loss=length_normalized_loss, |
| | | report_cer=report_cer, |
| | | report_wer=report_wer, |
| | | sym_space=sym_space, |
| | | sym_blank=sym_blank, |
| | | extract_feats_in_collect_stats=extract_feats_in_collect_stats, |
| | | predictor=predictor, |
| | | predictor_weight=predictor_weight, |
| | | predictor_bias=predictor_bias, |
| | | sampling_ratio=sampling_ratio, |
| | | vocab_size=vocab_size, |
| | | token_list=token_list, |
| | | frontend=frontend, |
| | | specaug=specaug, |
| | | normalize=normalize, |
| | | preencoder=preencoder, |
| | | encoder=encoder, |
| | | postencoder=postencoder, |
| | | decoder=decoder, |
| | | ctc=ctc, |
| | | ctc_weight=ctc_weight, |
| | | interctc_weight=interctc_weight, |
| | | ignore_id=ignore_id, |
| | | blank_id=blank_id, |
| | | sos=sos, |
| | | eos=eos, |
| | | lsm_weight=lsm_weight, |
| | | length_normalized_loss=length_normalized_loss, |
| | | report_cer=report_cer, |
| | | report_wer=report_wer, |
| | | sym_space=sym_space, |
| | | sym_blank=sym_blank, |
| | | extract_feats_in_collect_stats=extract_feats_in_collect_stats, |
| | | predictor=predictor, |
| | | predictor_weight=predictor_weight, |
| | | predictor_bias=predictor_bias, |
| | | sampling_ratio=sampling_ratio, |
| | | ) |
| | | assert isinstance(self.predictor, CifPredictorV3), "BiCifParaformer should use CIFPredictorV3" |
| | | |
| | |
| | | loss_pre2 = self.criterion_pre(ys_pad_lens.type_as(pre_token_length2), pre_token_length2) |
| | | |
| | | return loss_pre2 |
| | | |
| | | |
| | | def _calc_att_loss( |
| | | self, |
| | | encoder_out: torch.Tensor, |
| | | encoder_out_lens: torch.Tensor, |
| | | ys_pad: torch.Tensor, |
| | | ys_pad_lens: torch.Tensor, |
| | | ): |
| | | encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to( |
| | | encoder_out.device) |
| | | if self.predictor_bias == 1: |
| | | _, ys_pad = add_sos_eos(ys_pad, self.sos, self.eos, self.ignore_id) |
| | | ys_pad_lens = ys_pad_lens + self.predictor_bias |
| | | pre_acoustic_embeds, pre_token_length, _, pre_peak_index, _ = self.predictor(encoder_out, ys_pad, |
| | | encoder_out_mask, |
| | | ignore_id=self.ignore_id) |
| | | |
| | | # 0. sampler |
| | | decoder_out_1st = None |
| | | if self.sampling_ratio > 0.0: |
| | | if self.step_cur < 2: |
| | | logging.info("enable sampler in paraformer, sampling_ratio: {}".format(self.sampling_ratio)) |
| | | sematic_embeds, decoder_out_1st = self.sampler(encoder_out, encoder_out_lens, ys_pad, ys_pad_lens, |
| | | pre_acoustic_embeds) |
| | | else: |
| | | if self.step_cur < 2: |
| | | logging.info("disable sampler in paraformer, sampling_ratio: {}".format(self.sampling_ratio)) |
| | | sematic_embeds = pre_acoustic_embeds |
| | | |
| | | # 1. Forward decoder |
| | | decoder_outs = self.decoder( |
| | | encoder_out, encoder_out_lens, sematic_embeds, ys_pad_lens |
| | | ) |
| | | decoder_out, _ = decoder_outs[0], decoder_outs[1] |
| | | |
| | | if decoder_out_1st is None: |
| | | decoder_out_1st = decoder_out |
| | | # 2. Compute attention loss |
| | | loss_att = self.criterion_att(decoder_out, ys_pad) |
| | | acc_att = th_accuracy( |
| | | decoder_out_1st.view(-1, self.vocab_size), |
| | | ys_pad, |
| | | ignore_label=self.ignore_id, |
| | | ) |
| | | loss_pre = self.criterion_pre(ys_pad_lens.type_as(pre_token_length), pre_token_length) |
| | | |
| | | # Compute cer/wer using attention-decoder |
| | | if self.training or self.error_calculator is None: |
| | | cer_att, wer_att = None, None |
| | | else: |
| | | ys_hat = decoder_out_1st.argmax(dim=-1) |
| | | cer_att, wer_att = self.error_calculator(ys_hat.cpu(), ys_pad.cpu()) |
| | | |
| | | return loss_att, acc_att, cer_att, wer_att, loss_pre |
| | | |
| | | def calc_predictor(self, encoder_out, encoder_out_lens): |
| | | |
| | | encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to( |
| | | encoder_out.device) |
| | | pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index, pre_token_length2 = self.predictor(encoder_out, None, encoder_out_mask, |
| | | ignore_id=self.ignore_id) |
| | | pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index, pre_token_length2 = self.predictor(encoder_out, |
| | | None, |
| | | encoder_out_mask, |
| | | ignore_id=self.ignore_id) |
| | | return pre_acoustic_embeds, pre_token_length, alphas, pre_peak_index |
| | | |
| | | |
| | | def calc_predictor_timestamp(self, encoder_out, encoder_out_lens, token_num): |
| | | encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to( |
| | | encoder_out.device) |
| | | ds_alphas, ds_cif_peak, us_alphas, us_peaks = self.predictor.get_upsample_timestamp(encoder_out, |
| | | encoder_out_mask, |
| | | token_num) |
| | | encoder_out_mask, |
| | | token_num) |
| | | return ds_alphas, ds_cif_peak, us_alphas, us_peaks |
| | | |
| | | def forward( |
| | |
| | | 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, ) |
| | |
| | | elif self.ctc_weight == 1.0: |
| | | loss = loss_ctc |
| | | else: |
| | | loss = self.ctc_weight * loss_ctc + (1 - self.ctc_weight) * loss_att + loss_pre * self.predictor_weight + loss_pre2 * self.predictor_weight * 0.5 |
| | | loss = self.ctc_weight * loss_ctc + ( |
| | | 1 - self.ctc_weight) * loss_att + loss_pre * self.predictor_weight + loss_pre2 * self.predictor_weight * 0.5 |
| | | |
| | | # Collect Attn branch stats |
| | | stats["loss_att"] = loss_att.detach() if loss_att is not None else None |
| | |
| | | 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, |
| | | postencoder: Optional[AbsPostEncoder], |
| | | decoder: AbsDecoder, |
| | | ctc: CTC, |
| | |
| | | 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, ) |
| | |
| | | "torch tensor: {}, {}, loading from tf tensor: {}, {}".format(name, data_tf.size(), name_tf, |
| | | var_dict_tf[name_tf].shape)) |
| | | |
| | | return var_dict_torch_update |
| | | return var_dict_torch_update |
| | |
| | | from funasr.modules.eend_ola.encoder import EENDOLATransformerEncoder |
| | | from funasr.modules.eend_ola.encoder_decoder_attractor import EncoderDecoderAttractor |
| | | from funasr.modules.eend_ola.utils.power import generate_mapping_dict |
| | | from funasr.models.base_model import FunASRModel |
| | | from funasr.torch_utils.device_funcs import force_gatherable |
| | | from funasr.models.base_model import FunASRModel |
| | | |
| | | if LooseVersion(torch.__version__) >= LooseVersion("1.6.0"): |
| | | pass |
| | |
| | | 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, ) |
| | |
| | | from torch.nn import functional as F |
| | | from typeguard import check_argument_types |
| | | |
| | | from funasr.modules.nets_utils import to_device |
| | | from funasr.modules.nets_utils import make_pad_mask |
| | | from funasr.models.base_model import FunASRModel |
| | | 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.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 |
| | | from funasr.losses.label_smoothing_loss import LabelSmoothingLoss, SequenceBinaryCrossEntropy |
| | | from funasr.utils.misc import int2vec |
| | | |
| | |
| | | |
| | | |
| | | class DiarSondModel(FunASRModel): |
| | | """Speaker overlap-aware neural diarization model |
| | | reference: https://arxiv.org/abs/2211.10243 |
| | | """ |
| | | Author: Speech Lab, Alibaba Group, China |
| | | SOND: Speaker Overlap-aware Neural Diarization for Multi-party Meeting Analysis |
| | | https://arxiv.org/abs/2211.10243 |
| | | TOLD: A Novel Two-Stage Overlap-Aware Framework for Speaker Diarization |
| | | https://arxiv.org/abs/2303.05397 |
| | | """ |
| | | |
| | | def __init__( |
| | | self, |
| | | vocab_size: int, |
| | | frontend: Optional[torch.nn.Module], |
| | | specaug: Optional[torch.nn.Module], |
| | | normalize: Optional[torch.nn.Module], |
| | | frontend: Optional[AbsFrontend], |
| | | specaug: Optional[AbsSpecAug], |
| | | normalize: Optional[AbsNormalize], |
| | | encoder: torch.nn.Module, |
| | | speaker_encoder: Optional[torch.nn.Module], |
| | | ci_scorer: torch.nn.Module, |
| | |
| | | binary_labels_lengths: torch.Tensor = None, |
| | | ) -> Tuple[torch.Tensor, Dict[str, torch.Tensor], torch.Tensor]: |
| | | """Frontend + Encoder + Speaker Encoder + CI Scorer + CD Scorer + Decoder + Calc loss |
| | | |
| | | Args: |
| | | speech: (Batch, samples) or (Batch, frames, input_size) |
| | | speech_lengths: (Batch,) default None for chunk interator, |
| | |
| | | cd_simi = torch.reshape(cd_simi, [bb, self.max_spk_num, tt, 1]) |
| | | cd_simi = cd_simi.squeeze(dim=3).permute([0, 2, 1]) |
| | | |
| | | if isinstance(self.ci_scorer, torch.nn.Module): |
| | | if isinstance(self.ci_scorer, AbsEncoder): |
| | | ci_simi = self.ci_scorer(ge_in, ge_len)[0] |
| | | ci_simi = torch.reshape(ci_simi, [bb, self.max_spk_num, tt]).permute([0, 2, 1]) |
| | | else: |
| | |
| | | self, speech: torch.Tensor, speech_lengths: torch.Tensor |
| | | ) -> Tuple[torch.Tensor, torch.Tensor]: |
| | | """Frontend + Encoder |
| | | |
| | | Args: |
| | | speech: (Batch, Length, ...) |
| | | speech_lengths: (Batch,) |
| | |
| | | speaker_miss, |
| | | speaker_falarm, |
| | | speaker_error, |
| | | ) |
| | | ) |
| | |
| | | |
| | | """ |
| | | Author: Speech Lab, Alibaba Group, China |
| | | """ |
| | | |
| | | import logging |
| | | from contextlib import contextmanager |
| | | from distutils.version import LooseVersion |
| | |
| | | import torch |
| | | from typeguard import check_argument_types |
| | | |
| | | from funasr.layers.abs_normalize import AbsNormalize |
| | | from funasr.losses.label_smoothing_loss import ( |
| | | LabelSmoothingLoss, # noqa: H301 |
| | | ) |
| | | 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.postencoder.abs_postencoder import AbsPostEncoder |
| | | 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.modules.add_sos_eos import add_sos_eos |
| | | from funasr.modules.e2e_asr_common import ErrorCalculator |
| | | from funasr.modules.nets_utils import th_accuracy |
| | | 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 |
| | |
| | | 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, |
| | | postencoder: Optional[AbsPostEncoder], |
| | | pooling_layer: torch.nn.Module, |
| | | decoder: AbsDecoder, |
| | |
| | | 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, ) |
| | |
| | | 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, ) |
| | |
| | | else: |
| | | # No frontend and no feature extract |
| | | feats, feats_lengths = speech, speech_lengths |
| | | return feats, feats_lengths |
| | | return feats, feats_lengths |
| | |
| | | from contextlib import contextmanager |
| | | from distutils.version import LooseVersion |
| | | from typing import Dict |
| | | from typing import List |
| | | from typing import Optional |
| | | from typing import Tuple |
| | | from typing import Union |
| | | |
| | | import torch |
| | | import numpy as np |
| | | from typeguard import check_argument_types |
| | | |
| | | from funasr.models.encoder.abs_encoder import AbsEncoder |
| | | from funasr.models.frontend.abs_frontend import AbsFrontend |
| | | from funasr.models.predictor.cif import mae_loss |
| | | from funasr.models.base_model import FunASRModel |
| | | from funasr.modules.add_sos_eos import add_sos_eos |
| | | from funasr.modules.nets_utils import make_pad_mask, pad_list |
| | | from funasr.torch_utils.device_funcs import force_gatherable |
| | | from funasr.models.base_model import FunASRModel |
| | | from funasr.models.predictor.cif import CifPredictorV3 |
| | | |
| | | |
| | | if LooseVersion(torch.__version__) >= LooseVersion("1.6.0"): |
| | | from torch.cuda.amp import autocast |
| | |
| | | yield |
| | | |
| | | |
| | | class TimestampPredictor(FunASRModel): |
| | | class TimestampPredictor(AbsESPnetModel): |
| | | """ |
| | | Author: Speech Lab, Alibaba Group, China |
| | | Author: Speech Lab of DAMO Academy, Alibaba Group |
| | | """ |
| | | |
| | | def __init__( |
| | | self, |
| | | frontend: Optional[torch.nn.Module], |
| | | encoder: torch.nn.Module, |
| | | frontend: Optional[AbsFrontend], |
| | | encoder: AbsEncoder, |
| | | predictor: CifPredictorV3, |
| | | predictor_bias: int = 0, |
| | | token_list=None, |
| | |
| | | self.predictor_bias = predictor_bias |
| | | self.criterion_pre = mae_loss() |
| | | self.token_list = token_list |
| | | |
| | | |
| | | def forward( |
| | | self, |
| | | speech: torch.Tensor, |
| | |
| | | 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, ) |
| | |
| | | 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, ) |
| | |
| | | encoder_out, encoder_out_lens, _ = self.encoder(feats, feats_lengths) |
| | | |
| | | return encoder_out, encoder_out_lens |
| | | |
| | | |
| | | def _extract_feats( |
| | | self, speech: torch.Tensor, speech_lengths: torch.Tensor |
| | | ) -> Tuple[torch.Tensor, torch.Tensor]: |
| | |
| | | encoder_out_mask = (~make_pad_mask(encoder_out_lens, maxlen=encoder_out.size(1))[:, None, :]).to( |
| | | encoder_out.device) |
| | | ds_alphas, ds_cif_peak, us_alphas, us_peaks = self.predictor.get_upsample_timestamp(encoder_out, |
| | | encoder_out_mask, |
| | | token_num) |
| | | encoder_out_mask, |
| | | token_num) |
| | | return ds_alphas, ds_cif_peak, us_alphas, us_peaks |
| | | |
| | | def collect_feats( |
| | |
| | | LabelSmoothingLoss, # noqa: H301 |
| | | ) |
| | | from funasr.models.ctc import CTC |
| | | from funasr.models.encoder.abs_encoder import AbsEncoder |
| | | 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.postencoder.abs_postencoder import AbsPostEncoder |
| | | from funasr.models.preencoder.abs_preencoder import AbsPreEncoder |
| | | 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 |
| | | from funasr.modules.streaming_utils.chunk_utilis import sequence_mask |
| | |
| | | |
| | | class UniASR(FunASRModel): |
| | | """ |
| | | Author: Speech Lab, Alibaba Group, China |
| | | Author: Speech Lab of DAMO Academy, Alibaba Group |
| | | """ |
| | | |
| | | 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, |
| | | postencoder: Optional[AbsPostEncoder], |
| | | decoder: AbsDecoder, |
| | | ctc: CTC, |
| | |
| | | decoding_ind: int = None, |
| | | ) -> Tuple[torch.Tensor, Dict[str, torch.Tensor], torch.Tensor]: |
| | | """Frontend + Encoder + Decoder + Calc loss |
| | | |
| | | Args: |
| | | speech: (Batch, Length, ...) |
| | | speech_lengths: (Batch, ) |
| | |
| | | self, speech: torch.Tensor, speech_lengths: torch.Tensor, ind: int = 0, |
| | | ) -> Tuple[torch.Tensor, torch.Tensor]: |
| | | """Frontend + Encoder. Note that this method is used by asr_inference.py |
| | | |
| | | Args: |
| | | speech: (Batch, Length, ...) |
| | | speech_lengths: (Batch, ) |
| | |
| | | ind: int = 0, |
| | | ) -> Tuple[torch.Tensor, torch.Tensor]: |
| | | """Frontend + Encoder. Note that this method is used by asr_inference.py |
| | | |
| | | Args: |
| | | speech: (Batch, Length, ...) |
| | | speech_lengths: (Batch, ) |
| | |
| | | ys_pad_lens: torch.Tensor, |
| | | ) -> torch.Tensor: |
| | | """Compute negative log likelihood(nll) from transformer-decoder |
| | | |
| | | Normally, this function is called in batchify_nll. |
| | | |
| | | Args: |
| | | encoder_out: (Batch, Length, Dim) |
| | | encoder_out_lens: (Batch,) |
| | |
| | | batch_size: int = 100, |
| | | ): |
| | | """Compute negative log likelihood(nll) from transformer-decoder |
| | | |
| | | To avoid OOM, this fuction seperate the input into batches. |
| | | Then call nll for each batch and combine and return results. |
| | | Args: |
| | |
| | | ys_hat = self.ctc2.argmax(encoder_out).data |
| | | cer_ctc = self.error_calculator(ys_hat.cpu(), ys_pad.cpu(), is_ctc=True) |
| | | return loss_ctc, cer_ctc |
| | | |
| | |
| | | |
| | | |
| | | class VADXOptions: |
| | | """ |
| | | Author: Speech Lab of DAMO Academy, Alibaba Group |
| | | Deep-FSMN for Large Vocabulary Continuous Speech Recognition |
| | | https://arxiv.org/abs/1803.05030 |
| | | """ |
| | | |
| | | def __init__( |
| | | self, |
| | | sample_rate: int = 16000, |
| | |
| | | |
| | | |
| | | class E2EVadSpeechBufWithDoa(object): |
| | | """ |
| | | Author: Speech Lab of DAMO Academy, Alibaba Group |
| | | Deep-FSMN for Large Vocabulary Continuous Speech Recognition |
| | | https://arxiv.org/abs/1803.05030 |
| | | """ |
| | | |
| | | def __init__(self): |
| | | self.start_ms = 0 |
| | | self.end_ms = 0 |
| | |
| | | |
| | | |
| | | class E2EVadFrameProb(object): |
| | | """ |
| | | Author: Speech Lab of DAMO Academy, Alibaba Group |
| | | Deep-FSMN for Large Vocabulary Continuous Speech Recognition |
| | | https://arxiv.org/abs/1803.05030 |
| | | """ |
| | | |
| | | def __init__(self): |
| | | self.noise_prob = 0.0 |
| | | self.speech_prob = 0.0 |
| | |
| | | |
| | | |
| | | class WindowDetector(object): |
| | | """ |
| | | Author: Speech Lab of DAMO Academy, Alibaba Group |
| | | Deep-FSMN for Large Vocabulary Continuous Speech Recognition |
| | | https://arxiv.org/abs/1803.05030 |
| | | """ |
| | | |
| | | def __init__(self, window_size_ms: int, sil_to_speech_time: int, |
| | | speech_to_sil_time: int, frame_size_ms: int): |
| | | self.window_size_ms = window_size_ms |
| | |
| | | |
| | | |
| | | class E2EVadModel(nn.Module): |
| | | """ |
| | | Author: Speech Lab of DAMO Academy, Alibaba Group |
| | | Deep-FSMN for Large Vocabulary Continuous Speech Recognition |
| | | https://arxiv.org/abs/1803.05030 |
| | | """ |
| | | |
| | | def __init__(self, encoder: FSMN, vad_post_args: Dict[str, Any], frontend=None): |
| | | super(E2EVadModel, self).__init__() |
| | | self.vad_opts = VADXOptions(**vad_post_args) |
| | |
| | | 0.000001)) |
| | | |
| | | def ComputeScores(self, feats: torch.Tensor, in_cache: Dict[str, torch.Tensor]) -> None: |
| | | scores = self.encoder(feats, in_cache) # return B * T * D |
| | | scores = self.encoder(feats, in_cache).to('cpu') # return B * T * D |
| | | assert scores.shape[1] == feats.shape[1], "The shape between feats and scores does not match" |
| | | self.vad_opts.nn_eval_block_size = scores.shape[1] |
| | | self.frm_cnt += scores.shape[1] # count total frames |
| | |
| | | - 1)) / self.vad_opts.noise_frame_num_used_for_snr |
| | | |
| | | return frame_state |
| | | |
| | | |
| | | def forward(self, feats: torch.Tensor, waveform: torch.tensor, in_cache: Dict[str, torch.Tensor] = dict(), |
| | | is_final: bool = False |
| | | ) -> Tuple[List[List[List[int]]], Dict[str, torch.Tensor]]: |
| | |
| | | segment_batch = [] |
| | | if len(self.output_data_buf) > 0: |
| | | for i in range(self.output_data_buf_offset, len(self.output_data_buf)): |
| | | if not self.output_data_buf[i].contain_seg_start_point or not self.output_data_buf[ |
| | | i].contain_seg_end_point: |
| | | if not is_final and ( |
| | | not self.output_data_buf[i].contain_seg_start_point or not self.output_data_buf[ |
| | | i].contain_seg_end_point): |
| | | continue |
| | | segment = [self.output_data_buf[i].start_ms, self.output_data_buf[i].end_ms] |
| | | segment_batch.append(segment) |
| | |
| | | return segments, in_cache |
| | | |
| | | def forward_online(self, feats: torch.Tensor, waveform: torch.tensor, in_cache: Dict[str, torch.Tensor] = dict(), |
| | | is_final: bool = False, max_end_sil: int = 800 |
| | | ) -> Tuple[List[List[List[int]]], Dict[str, torch.Tensor]]: |
| | | is_final: bool = False, max_end_sil: int = 800 |
| | | ) -> Tuple[List[List[List[int]]], Dict[str, torch.Tensor]]: |
| | | self.max_end_sil_frame_cnt_thresh = max_end_sil - self.vad_opts.speech_to_sil_time_thres |
| | | self.waveform = waveform # compute decibel for each frame |
| | | |
| | | |
| | | self.ComputeScores(feats, in_cache) |
| | | self.ComputeDecibel() |
| | | if not is_final: |