| 基于SIP的H.264视频电话终端设计 |
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| 引用本文： | 丁绪星,王再见,张成,秦魏. 基于SIP的H.264视频电话终端设计[J]. 现代电子技术, 2007, 30(20): 41-43 |
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| 作者姓名： | 丁绪星 王再见 张成 秦魏 |
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| 作者单位： | 安徽师范大学,物电学院,安徽,芜湖,241000 |
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| 基金项目： | 安徽高校省级自然科学基金 |
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| 摘 要： | 考虑到实现的难易程度、生产成本和升级更新等因素,介绍了一种基于SIP的H.264视频电话终端的设计和实现方法。主要讨论了采用高速数字处理芯片TMS320DM643完成H.264编解码和利用ARM9芯片S3C2410实现SIP协议。给出具体的软、硬件设计方案,对研制的样机测试表明该视频电话终端能进行语音和视频信息的实时通信,遵循开放协议,具有良好的兼容性。
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| 关 键 词： | 视频电话 |
| 文章编号： | 1004-373X（2007）20-041-03 |
| 收稿时间： | 2007-05-03 |
| 修稿时间： | 2007-05-03 |
Design of SIP - based H. 264 Videophone |
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| DING Xuxing,WANG Zaijian,ZHANG Cheng,QIN Wei. Design of SIP - based H. 264 Videophone[J]. Modern Electronic Technique, 2007, 30(20): 41-43 |
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| Authors: | DING Xuxing WANG Zaijian ZHANG Cheng QIN Wei |
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| Affiliation: | College of Physics and Electronic Information,Anhui Normal University,Wuhu,241000,China |
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| Abstract: | Considering the degree of realization,cost of manufacturing and upgrading,introduced in this paper is design and implementation of SIP-based H.264 videophone.The high digital processing chip TMS320DM643 is used as H.264 codec.SIP stack is implemented on ARM9 chip S3C2410.The project of hardware and software design is given.The developed samples are tested to show that real-time communication of audio and video is achieved.The system is more compatible for conforming to open protocols. |
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| Keywords: | SIP H.264 DSP ARM |
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