MediaRecorder进行录屏或摄像是怎么关闭声音？那是关闭Mic？不是的，这样根本不起作用。其实，最简单的方法就是不进行设置声音相关参数，就OK了。
pMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); pMediaRecorder.setAudioSamplingRate(44100); pMediaRecorder.setAudioEncodingBitRate(96000); pMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC); pMediaRecorder.setAudioChannels(1); 这些都不进行设置就行了。
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