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添加了librosa音频处理库和pyworld声码器 #92

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RickyL-2000
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rt,这两个库是在做NLP的时候用到的,觉得很有用。

@RickyL-2000
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这两个库我都亲自使用过,都属于音频处理方面的。

  1. librosa算是一个比较全面的音频处理库,可以用于音频读取、音频播放、时频转换、滤波、特征提取、计算歌曲节拍、相似度计算、绘制mel频谱等等,算是一个功能完备而使用方便的库。
  2. pyworld是一个高性能的声码器,用于将一段speech音频分离成基频(f0)、谐波谱包络和非周期谱包络,可以有效地将音频(比如人的歌声)的基频提出或者计算调式。

@tangyouhua
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感谢提交,第一个资源的链接已失效,请更新。谢谢

@RickyL-2000
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感谢提醒,已经更新librosa库的文档地址,请查收。

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