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游雁

2023-09-01 a4d0724b27c8a1bc1df1f659c8c763813d23ff8c

 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