android MediaRecorder录音详解
16lz
2021-12-04
简单使用例子:
try { MediaRecorder recorder = new MediaRecorder();// recorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);// recorder.setAudioSource(MediaRecorder.AudioSource.VOICE_COMMUNICATION);// recorder.setAudioSource(MediaRecorder.AudioSource.VOICE_CALL);//通话中,对方、自己声音都会录下来// recorder.setAudioSource(MediaRecorder.AudioSource.VOICE_DOWNLINK);//只录取扬声器、听筒声音// recorder.setAudioSource(MediaRecorder.AudioSource.VOICE_UPLINK); recorder.setAudioSource(MediaRecorder.AudioSource.VOICE_RECOGNITION);//跟MIC一样,只录取麦克风声音,但扬声器太大声的话也会录到 recorder.setOutputFile(path); // 设置录制的声音的输出格式(必须在设置声音编码格式之前设置) recorder.setOutputFormat(MediaRecorder .OutputFormat.AMR_NB); // 设置声音编码的格式 recorder.setAudioEncoder(MediaRecorder .AudioEncoder.AMR_NB); recorder.prepare(); recorder.start(); } catch (IOException e) { e.printStackTrace(); }
其中setAudioSource方法可选参数为,参考网址:MediaRecorder.AudioSource
录音完成后,使用
recorder.stop();recorder.release();recorder = null;
另外还能用AudioRecord在录音的同时对音频处理,参考AudioRecord录音与AudioTrack播放
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