MPEG(Moving Pictures Experts Group) 系列标准由ISO􀀁 IEC 制订, 是计

算机多媒体应用最广泛的国际标准之一.MPEG 音频作为标准的重要内容, 其发展经

历了内容表示、内容描述以及互操作应用框架等阶段. 然而, 作为支撑技术, 更高效的

编码方法和更精确的描述手段仍然是当前研究工作的重点. 综合分析了MPEG 系列

标准中音频技术的现状, 并提出和讨论了进一步研究中需要解决的若干技术问题.-MPEG (Moving Pictures Experts Group) series of standards developed by the ISO 􀀁　IEC, is the computer multimedia applications one of the most widely used international standard. MPEG audio as an important part of the standard, its development has gone through the contents of that descr iption and application frameworks, interoperability stage. However, as a supporting technology, more efficient coding methods and more accurate descr iption of the work means is still the focus of current research. comprehensive analysis of the MPEG family of standards in the status of audio technology, and presented and discussed in further research need to be addressed Several technical problems.