espnet2.asr.pit_espnet_model.ESPnetASRModel

source

class espnet2.asr.pit_espnet_model.ESPnetASRModel(vocab_size: int, token_list: Tuple[str, ...] | List[str], frontend: AbsFrontend | None, specaug: AbsSpecAug | None, normalize: AbsNormalize | None, preencoder: AbsPreEncoder | None, encoder: AbsEncoder, postencoder: AbsPostEncoder | None, decoder: AbsDecoder | None, ctc: CTC, joint_network: Module | None, ctc_weight: float = 0.5, interctc_weight: float = 0.0, ignore_id: int = -1, 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>', sym_sos: str = '<sos/eos>', sym_eos: str = '<sos/eos>', extract_feats_in_collect_stats: bool = True, lang_token_id: int = -1, num_inf: int = 1, num_ref: int = 1)

Bases: ESPnetASRModel

CTC-attention hybrid Encoder-Decoder model

Initialize internal Module state, shared by both nn.Module and ScriptModule.

forward(speech: Tensor, speech_lengths: Tensor, text: Tensor, text_lengths: Tensor, **kwargs) → Tuple[Tensor, Dict[str, Tensor], Tensor]

Frontend + Encoder + Decoder + Calc loss

• Parameters:
  • speech – (Batch, Length, …)
  • speech_lengths – (Batch, )
  • text – (Batch, Length)
  • text_lengths – (Batch,)
  • kwargs – “utt_id” is among the input.