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webRTC-

利用webRTC对语音进行处理,实现VAD和降噪处理 使用方法 语音处理代码文档 环境:vs2015 python3 文件:

  1. wav2pcm.py 将wav文件转换成pcm格式

  2. pcm2wav.py 将pcm格式转换成wav格式

  3. audio_process项目 对pcm格式文件使用vad算法,确定有效语音端点

  4. WebRtcAudioTest项目 对pcm格式文件使用ns进行降噪 使用流程:

  5. 运行wav2pcm.py文件对wav格式文件进行处理,将其转成pcm格式,其中第一个红色方框里填写源文件目录(这里的反斜杠需要变成斜杠),第二个红色方框里填写输出目录(这里的反斜杠需要变成斜杠)。 加载失败

  6. 用vs打开audio_process项目里source文件夹下的audioprocess.sln文件,运行项目,在console里面根据提示输入源文件目录(这里的源文件目录需要选择上一步得到的pcm文件目录,不能是wav格式的)和输出目录,回车就能自动对文件进行vad算法处理,确定音频端点。 加载失败 加载失败

  7. 用vs打开WebRtcAudioTest项目文件夹下的WebRtcAudioTest.sln文件,运行项目,在console里面根据提示输入源文件目录(这里的源文件目录需要选择上一步vad算法处理得到的pcm文件目录)和输出目录,回车就能自动对文件进行降噪处理。 加载失败 加载失败

  8. 运行pcm2wav.py文件,将pcm格式文件转换成wav格式, 其中第一个红色方框里填写源文件目录(这里的反斜杠需要变成斜杠),第二个红色方框里填写输出目录(这里的反斜杠需要变成斜杠)

加载失败

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