In the recent years, the audio compression techniques have become more and more popular, there are two major kinds of techniques, one is lossy scheme and the other is lossless one.

• 中文摘要近年来，音讯压缩技术已经日益普及，其中有两大类的压缩技术，一个是失真型系统，另一个则是无失真型系统。