中文说明： STM32制作的MP3的全部资料，鲁棒性好，性能优越，毕业设计有用，用于时频分析算法，本程序的性能已经达到较高水平，语音信号的采集与处理，数字信号处理课设。
English Description：
STM32 produced all MP3 data, robust, superior performance and design useful for time-frequency analysis algorithm, this program has reached a higher level of performance, collection and processing of the speech signal, digital signal processing course.