夜雨飘零
2023-12-05 18b1449d1ff06c469e54190508c4f6be05c73d85
funasr/models/specaug/abs_specaug.py
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from typing import Optional
from typing import Tuple
import torch
class AbsSpecAug(torch.nn.Module):
    """Abstract class for the augmentation of spectrogram
    The process-flow:
    Frontend  -> SpecAug -> Normalization -> Encoder -> Decoder
    """
    def forward(
        self, x: torch.Tensor, x_lengths: torch.Tensor = None
    ) -> Tuple[torch.Tensor, Optional[torch.Tensor]]:
        raise NotImplementedError