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文中提出应用数字信号处理器和微控制处理器ARM9核的MPEG-4视频简易框架和高级音频编码解码器的实时嵌入式设计。
A real-time embedded design of MPEG-4 visual simple profile and advanced audio coding decoder using Digital Signal Processor and ARM9 core are presented in this paper.
测试结果表明所设计的语音编解码器能够实时完成四路语音记录，具有较高的恢复语音质量，性能指标达到设计要求。
Experiments proved that the codec can recode four channels speech in real time and the quality of the recovered speech is satisfying. And the design intention is realized.
新型专业卫星数字电视解码器(IRD)通过运行防止非法信号干扰的软件，实时分析卫星数字电视信号的特征，从而提前发现外来非法干扰信号并实施预警。
New type of professional IRD, by running the software for preventing the illegal interfering signal, IRD analyzes the characteristic of satellite DTV signal in real time, then found external illegal.
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