| 基于i．MX21的2．4GHz无线视频监控系统硬件设计 |
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| 引用本文： | 唐顺平,覃团发,陈俊江,刘运毅.基于i．MX21的2．4GHz无线视频监控系统硬件设计[J].电子工程师,2009,35(1):51-54. |
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| 作者姓名： | 唐顺平 覃团发 陈俊江 刘运毅 |
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| 作者单位： | 广西大学计算机与电子信息学院,广西省,南宁市,530004 |
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| 基金项目： | 广西高校人才小高地建设创新团队资助计划项目 |
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| 摘 要： | 本系统选用MC9328MX21作为主处理器，采用其内嵌的eMMA（多媒体加速器）视频加速器和视频编码标准MGEG4压缩算法，实现基于2．4GHz无线网络传输的视频监控功能和视频流数据的存储。描述系统的硬件架构和功能，并对系统的各个主要组成模块进行性能分析。模块主要包括主处理器、音视频采集模块和2．4GHz无线传输模块等。最后给出了实际测试结果。
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| 关 键 词： | 2.4 GHz无线网络 视频监控 MPEG4 |
Hardware Design of 2.4 GHz Wireless Video Monitoring System Based on i.MX21 |
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| TANG Shunping,QIN Tuanfa,CHEN Junjiang,LIU Yunyi.Hardware Design of 2.4 GHz Wireless Video Monitoring System Based on i.MX21[J].Electronic Engineer,2009,35(1):51-54. |
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| Authors: | TANG Shunping QIN Tuanfa CHEN Junjiang LIU Yunyi |
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| Affiliation: | School of Computer and Electronic Information;Guangxi University;Nanning 530004;China |
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| Abstract: | This system adopts MC9328MX21 as the main processor,which has embedded eMMA video accelerator and video coding standard MGEG4 compression arithmetic,and realizes the function of video monitoring and video-flow data storage.In this paper the hardware frame and function are described in detail,and the performance analysis of the primary system models,which contains the processor,sound-video collection model and 2.4 GHz wireless transmission model and so on is carried out.The test result is given at last. |
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| Keywords: | MPEG4 |
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