| 一个通用实时多路视频服务器的硬件实现 |
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| 引用本文： | 苏曙光,苏月明,刘云生.一个通用实时多路视频服务器的硬件实现[J].小型微型计算机系统,2010,31(3). |
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| 作者姓名： | 苏曙光 苏月明 刘云生 |
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| 作者单位： | 1. 华中科技大学软件学院,湖北,武汉,430074
2. 中国航天科工集团二零七所目标与环境光学特性国防科技重点实验室,北京,100854 |
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| 摘 要： | 阐述一个基于DSP的四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PCB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.
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| 关 键 词： | 视频编码 电路设计 |
Hardware Implementation of an Universal Realtime Multi-channel Video Server |
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| SU Shu-guang,SU Yue-ming,LIE Yun-sheng.Hardware Implementation of an Universal Realtime Multi-channel Video Server[J].Mini-micro Systems,2010,31(3). |
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| Authors: | SU Shu-guang SU Yue-ming LIE Yun-sheng |
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| Affiliation: | SU Shu-guang1,SU Yue-ming2,LIU Yun-sheng11(School of Software Engineer,Huazhong University of Science & Technology,Wuhan 430074,China)2(National Key Laboratory of Optical Features of Target & Environment(NKLOFE),Institute No.207 of the China Aerospace Science & Industry Corp.,Beijing 100854,China) |
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| 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. |
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| Keywords: | TMS320DM642 DSP video coding TMS320DM642 DSP circuit design |
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