微软的c runtime库的源代码，提升编程功力的案头必备代码，成长为高手的必由之路。,Microsoft c runtime library source code to improve programming skill necessary code for the desk, the only way to grow as the master.

读取WAV文件采样率,如果是其它格式,可以先转换为此格式-Sampling rate of WAV files to read