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about MFCC feature extraction #23

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15211 opened this issue Feb 18, 2022 · 0 comments
Open

about MFCC feature extraction #23

15211 opened this issue Feb 18, 2022 · 0 comments

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@15211
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15211 commented Feb 18, 2022

作者您好，感谢您的工作

我使用您的预训练模型获取了某段声音的梅尔频谱，但我注意到他似乎有小于零的部分，似乎与我之前所见到的（使用librosa库提取的）梅尔频谱不太一样。
如果我想用它来继续提取MFCC特征，请问可行吗？如果可以，您能否提供一些简要指导？
我注意到您代码中可以指定min_mel和max_mel调整数值区间，但是我将min_mel设置大于零后，不知如何指定max_mel的数值，也不能确定求出的是否为标准的MFCC特征。

非常感谢您的阅读
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