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MP3作为一种新的数字音频格式，目前正逐渐跨入主流市场的行列。和普通卡带及CD相比，MP3有以下优点：首先，存储密度高。普通CD可存储大约70分钟左右的歌曲，如用MP3格式，一张光盘则可存储600分钟以上。其次，MP3格式有着接近CD的音质，和CD一样可以长期保存。最后，MP3格式
MP3 as a new digital audio format, is now gradually entering the ranks of the mainstream market. Compared with the ordinary cassette and CD, MP3 has the following advantages: First, the storage density. Ordinary CD can store about 70 minutes of songs, such as MP3 format, a CD-ROM can be stored for more than 600 minutes. Second, the MP3 format has a near-CD quality that can be stored for the long term like a CD. Finally, MP3 format