【摘要】 无线MMX(Wireless MMX Technology)是用来提高移动多媒体计算性能的技术。针对无线视频通信的应用, 研究了采用无线MMX来实现MPEG-4视频编解码的技术;通过对无线MMX体系结构和指令特点的分析,从指令优化 和算法优化两方面给出了MPEG-4编解码器优化的关键策略。经过优化的编解码器可很好地满足无线视频通信要求。更多还原

【Abstract】 Wireless MMX technology is created to improve the performance of multimedia computation of mobile device. The implementation of MPEG-4 video codec based on wireless MMX technology is discussed. Some methods of instruction and algorithm optimization are proposed according to the architecture and instructions. The video codec optimized with the methods can meet the requirement of the application of wireless video communication.更多还原