说明：  音乐播放器：该音乐播放器是由LabVIEW搭建而成，主要功能有文件选择并播放，调节音效，实时显示歌曲进度，能通过按钮切换歌曲，并显示歌曲排列，能切换播放顺序，实时显示歌曲的频谱图，能随时暂停。
(Music Player: The music player is built from the LabVIEW, the main function of the file selection and playback, adjust the sound, real-time display of song progress through the buttons to switch songs, the songs are arranged and displayed, can switch the playback order, real-time display of song the spectrum can be suspended at any time.)