自制MP3播放器修改版(增加波形显示，增加显示以及修改id3v1功能)-homemade MP3 player modified version (add waveform shows that the increase shows and the amendment of ID3v1 function)

自制MP3播放器修改版(增加波形显示，增加显示以及修改id3v1功能)-self design of MP3 PLAYER modified version. (add wave display, add display,and modify the function of id3v1)