对于Linux下的alsa的编程，用了alsa-lib库函数的接口。录音，播放功能。-For alsa programming under Linux, with a alsa-lib library functions of the interface. Recording, playback functions.

很不错的介绍QT creator编程的书籍(QT creator,Qt is a cross platform C++ graphical user interface application framework. It provides application developers to build a state-of-the-art graphical user interface functionality required by. Qt is fully object orie