一个alarmclock,允许进口的任何wav文件打循环作为报警扮演循环30秒然后休眠,另一个30和重复(滚动报警),直到停止-An alarmclock, allow the import of any wav file to play as the alarm loop cycle 30 seconds to play and then sleep, another 30 and repeat (rolling alarm) until it stops