论文部分内容阅读
介绍了可伸缩性（Ｓｃａｌａｂｉｌｉｔｙ）这于一ＭＰＥＧ－４音频编码标准中非常重要的功能，对其在实际使用时的几种主要的方式作了讨论。
Introduced Scalability, a very important feature of an MPEG-4 audio coding standard, and discussed several major ways in which it is actually used.