基于QT的录音，回放，及打开PCM播放功能源码，支持Linux下Alsa播放，测试使用。-QT-based recording, playback, and open source PCM playback, support for Linux under Alsa playback testing.

程序为PC端实现语音文件的变成不不变调的软件程序。非常好用，大家下载。-Program for the PC-side voice file into a software program is not the same tune. Very easy to use, to download.