计算机科学 ›› 2009, Vol. 36 ›› Issue (9): 252-254.
• 图形图像及体系结构 • 上一篇 下一篇
苏曙光,苏月明,刘云生
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SU Shu-guang, SU Yue-ming, LIU Yun-sheng
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摘要： 阐述了一个基于DSP的4路实时音视频编码终端的硬件设计方案和实现过程。重点讨论了TMS320DM642主处理芯片和音视频处理系统的设计，另外对存储电路、网络接口、IIC接口和电源等模块也做了深入讨论。最后对硬件做了信号仿真，指出电路设计和PCl3布局布线的关键要点。软件测试结果表明视音频主观质量较优，系统硬件工作稳定可靠，具有通用性。
关键词: 视频编码，TMS320DM642, DSP，电路设计
Abstract: The paper proposed a scheme of hardware design of a four-channel realtime video coder.The design of core chips of TMS320DM642 and audio/video chips were focused on.In addition storage,Ethernet,IIC and power source modules were discussed.Finally signal simulation was discussed and some keys of PCB layout and route were proposed.The software test proved the hardware worked well and produced good visual quality of audio/video.
Key words: Video coding,TMS320DM642,DSP,Circuit design
苏曙光,苏月明,刘云生. 基于DSP多通道视频编码终端的设计[J]. 计算机科学, 2009, 36(9): 252-254. https://doi.org/
SU Shu-guang, SU Yue-ming, LIU Yun-sheng. Design and Implement of Multichannel Video Coding Terminal Based on DSP[J]. Computer Science, 2009, 36(9): 252-254. https://doi.org/
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