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DSP

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#已完成部分：

  1. record.py:语音采样部分没采样的可以采一下，line13处修改USERNAME，进行20组0~9数据采样，以按下回车为录音分割，在看见recording字串后发音
  • 采样音频格式：44100Hz，2s，16bit，2channels
  1. process.py:单音频采样处理，语音分帧及加窗，短时时域特征分析:计算待优化

#未完成部分：

  • 双门限法端点检测：高低门限选取
  • 特征向量提取：去静音段插值拟合
  • 语音分析识别：
  • 电脑没电了

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