提交

kongdeqiang

2026-03-13 28ccfbfc51068a663a80764e14074df5edf2b5ba

 funasr/frontends/utils/stft.py

@@ -86,13 +86,12 @@
        # or (Batch, Channel, Freq, Frames, 2=real_imag)
        if self.window is not None:
            if self.window.lower() == "povey":
                window = torch.hann_window(self.win_length, periodic=False,
                                           device=input.device, dtype=input.dtype).pow(0.85)
                window = torch.hann_window(
                    self.win_length, periodic=False, device=input.device, dtype=input.dtype
                ).pow(0.85)
            else:
                window_func = getattr(torch, f"{self.window}_window")
                window = window_func(
                    self.win_length, dtype=input.dtype, device=input.device
                )
                window = window_func(self.win_length, dtype=input.dtype, device=input.device)
        else:
            window = None

@@ -135,9 +134,7 @@
                    [torch.zeros(n_pad_left), window, torch.zeros(n_pad_right)], 0
                ).numpy()
            else:
                win_length = (
                    self.win_length if self.win_length is not None else self.n_fft
                )
                win_length = self.win_length if self.win_length is not None else self.n_fft
                stft_kwargs["window"] = torch.ones(win_length)

            output = []
@@ -160,9 +157,7 @@
        if multi_channel:
            # output: (Batch * Channel, Frames, Freq, 2=real_imag)
            # -> (Batch, Frame, Channel, Freq, 2=real_imag)
            output = output.view(bs, -1, output.size(1), output.size(2), 2).transpose(
                1, 2
            )
            output = output.view(bs, -1, output.size(1), output.size(2), 2).transpose(1, 2)

        if ilens is not None:
            if self.center:
@@ -194,14 +189,10 @@
            try:
                import torchaudio
            except ImportError:
                raise ImportError(
                    "Please install torchaudio>=0.3.0 or use torch>=1.6.0"
                )
                raise ImportError("Please install torchaudio>=0.3.0 or use torch>=1.6.0")

            if not hasattr(torchaudio.functional, "istft"):
                raise ImportError(
                    "Please install torchaudio>=0.3.0 or use torch>=1.6.0"
                )
                raise ImportError("Please install torchaudio>=0.3.0 or use torch>=1.6.0")
            istft = torchaudio.functional.istft

        if self.window is not None: