【KWS】AssertionError: choose a window size 400 that is [2, 1]

[Keyird]

Thank you for you work, but when I try the example of Keyword Spotting，there is a bug:

what's more，my codes is just from the example: https://aistudio.baidu.com/aistudio/projectdetail/5836435

` import paddleaudio from paddleaudio.compliance.kaldi import fbank

feat_func = lambda waveform, sr: fbank( waveform=paddle.to_tensor(waveform).unsqueeze(0), sr=sr, frame_shift=10, frame_length=25, n_mels=80)

keyword_feat = feat_func( paddleaudio.load('/home/aistudio/work/keyword.wav')) non_keyword_feat = feat_func( paddleaudio.load('/home/aistudio/work/non-keyword.wav')) `

[zxcd]

duplicate with https://github.com/PaddlePaddle/PaddleSpeech/issues/2644

[liuying66]

同遇此问题，解决了吗

[stale[bot]]

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