stm32 搭配芯片vs1003实现播放mp3，包括液晶等一般功能，代码函数写的不是很好，但是具有参考功能。-stm32 with chip vs1003 for playing mp3, including general functions such as liquid crystal, the code function was not very good, but with a reference function.

在github上下载的回声消除程序，有文档和代码，代码有MATLAB的和stm32的，可以借鉴参考下-Refer to the following on github download echo cancellation procedures, documentation and code, the code has MATLAB and stm32 can learn