音频播放
MediaPlayer. setDataSource
MediaPlayer.prepare
MediaPlayer.start
MediaPlayer.stop
录制音频
MediaRecorder.setAudioSource
MediaRecorder.setOutputFormat
MediaRecorder.setAudioEncoder
MediaRecorder.setOutputFile
MediaRecorder.prepare
MediaRecorder.start
MediaRecorder.stop
MediaRecorder.release
20、音频技术
原文：http://www.cnblogs.com/androidsj/p/3935102.html
