This article analyzes several problems existing in multimedia transmission in WMN and introduces the application of adaptive transmission based on scalable coding.
文中分析了WMN传输多媒体业务所存在的问题，并且介绍了基于分级编码的自适应传输在该网络中的应用。
In order to adapt different bandwidth resources and the network environment correspondence demand, each kind of multimedia information hoped has the scalable flexibility.
为适应不同带宽资源和网络环境下的通信需求，各种多媒体信息均希望拥有可伸缩的灵活性。
Speech scalable coding is widely considered to be a good scheme for multimedia communication under different conditions.
为了保证在不同通信条件下语音通信的正常进行，采用可伸缩编码技术是目前得到广泛认可的方案。
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