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spectrogram - Logmel 频谱图 1 秒音频数据集?

我可以将以下代码用于 1sec 音频数据集,我需要将其用于微控制器中的关键字定位。此代码用于声学场景分类的 30 秒音频数据集。

我可以将相同的代码用于 1 秒的音频。

https://gist.githubusercontent.com/glegrain/13276fb57007905180f5455be7a3d6cd/raw/tutacousticscenes2016.py