speech_utils.py 文件源码

def ideal_ratio_mask(noisy_speech, clean_speech, sr):
    win_len = sr * 0.02
    shift_len = sr * 0.01
    noisy_spect = stft_extractor(noisy_speech, win_len, shift_len, 'hanning')
    clean_spect = stft_extractor(clean_speech, win_len, shift_len, 'hanning')
    irm = np.abs(clean_spect) / np.abs(noisy_spect)

    return irm