Android 音视频编解码开发的介绍，及其实例讲解。-Android audio and video codec developed introduction and examples to explain.

Android 4.4 Kitkat 音频实现及简要分析，音频录音，放音的设置，如何调试等。如何设置播放声音。-Android 4.4 Kitkat audio implementation and brief analysis, audio recording, playback settings, how to debug and so on. How to set the playback sound.