PCM文件采样率转换，其中可以自己定义采样率。作为WAV文件进行存储。效果较好。注意使用时确定源文件采样率。-PCM file sample rate conversion, which could define their own sampling rate. As a WAV file is stored. Effective. Note that when used to determine the source file sample rate.

将PCM文件加WAV头，转化为WAV文件，注释详细-PCM turns into WAV file by adding head.