Android sound recorder with source code is free to download.

这是一个最简单易用的录音机android源码：- 界面简洁，简单易用，启动快占用内存少- 没有录音长度限制，保存的录音文件在SD卡AudioRecorder文件夹下- 点击列表文件可以播放。-This is one of the easiest-to-use recorder android source code:- interface is simple and easy to use, quick start small footprint- no record length limit,

android用speex将pcm转aac-Android with the Speex PCM AAC will turn