学校等场所用的根据不同时间段打不同铃声.用mmplayer实现播放功能，目录存储在acess中。-Schools, and other places according to different time periods used to play different ringing tones. Mmplayer achieved with the playback, the directory is stored in the acess in.

一个校园铃声播放系统的软件，内含多种校园铃声，可以自主选择播放。-Software- campus bell music player system。It contains many bells, can choose on their own play.