Android实现直接播放麦克风采集到的声音
本文实例讲述了Android实现直接播放麦克风采集到的声音。分享给大家供大家参考。具体如下:
这是一个直接播放麦克风采集到的声音线程类:
classRecordThreadextendsThread{ staticfinalintfrequency=44100; staticfinalintchannelConfiguration=AudioFormat.CHANNEL_CONFIGURATION_MONO; staticfinalintaudioEncoding=AudioFormat.ENCODING_PCM_16BIT; @Override publicvoidrun(){ //TODOAuto-generatedmethodstub intrecBufSize=AudioRecord.getMinBufferSize(frequency,channelConfiguration,audioEncoding)*2; intplyBufSize=AudioTrack.getMinBufferSize(frequency,channelConfiguration,audioEncoding)*2; AudioRecordaudioRecord=newAudioRecord(MediaRecorder.AudioSource.MIC,frequency,channelConfiguration,audioEncoding,recBufSize); AudioTrackaudioTrack=newAudioTrack(AudioManager.STREAM_MUSIC,frequency,channelConfiguration,audioEncoding,plyBufSize,AudioTrack.MODE_STREAM); byte[]recBuf=newbyte[recBufSize]; audioRecord.startRecording(); audioTrack.play(); while(true){ intreadLen=audioRecord.read(recBuf,0,recBufSize); audioTrack.write(recBuf,0,readLen); } audioTrack.stop(); audioRecord.stop(); } }
使用的时候,这样就行:
RecordThreadrec=newRecordThread(); rec.start();
需要在AndroidManifest.xml文件中添加路由权限:
<uses-permissionandroid:name="android.permission.RECORD_AUDIO"/>
希望本文所述对大家的Android程序设计有所帮助。