这是一个外国人编写的c#录音程序。录入的声音为wav文件，存放在缓存中，直接播出。-This is a foreigner prepared by the c # recording procedures. Input wav voice of documents, stored in the cache, direct broadcast.

pcm转Wav，有相应的测试文件，已经运行过-pcm turn Wav, there is a corresponding test file has been run