WAV音频波形显示分析，一个WAV文件以44字节文件头开始，数据类型是无符号型字节-WAV audio waveform display analysis, a WAV file to the beginning of 44-byte file header, data type is unsigned byte type

The hardware control interface and software commands are detailed along with several examples of the required steps to configure the device for various modes of operation.

1.从文件读取Wav音频文件 2.音频文件的播放、暂停、停止功能 3.从麦克风录音，并能存储成Wav文件 4.对录音进行播放、暂停、停止等功能 5.实现音频采样率与量化位数的转换（如44.1KHz, 16位转换成16KHz，8位）-1. Read Wav audio file from the file 2. The audio file of the play, pause, stop function 3. The recording from a microphon