3.3关键技术及技术路线移动可视电话的目标是在移动网络条件下实现视音频的实时传输。而无线网络具有无码率高、带宽窄、带宽抖动性大等特点。因此，针对移动网络的特点，设计优化的视音频传输方案是我们研究的重点。-Dishonest people are short-sighted. Those who sell fake products may make money at first, but consumers won t buy their products any more. As a re