android系统无法播放amr格式文件，这段代码可以实现android，iphone等的amr格式与wav格式的转换-the amr format wav format conversion android system can not play amr format file, the code can be achieved android, iphone, etc.

android环境下，编写了一个播放类，可以播放播放wav、mp3等声音文件的源代码。-Android environment, the preparation of a broadcast category, you can play wav, mp3 and other sound file source code.