| 基于Android的多媒体信息交互系统客户端软件设计 |
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| 引用本文： | 郑睿,王利群,徐志江.基于Android的多媒体信息交互系统客户端软件设计[J].电声技术,2014(5):66-69,82. |
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| 作者姓名： | 郑睿 王利群 徐志江 |
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| 作者单位： | [1]浙江工业大学信息工程学院,浙江杭州310023 [2]浙江广电集团,浙江杭州310012 |
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| 基金项目： | 浙江省重点科技创新团队资助项目（2010R50011） |
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| 摘 要： | 为了在Android系统上实现即时消息聊天和视频会话,设计了一种基于Android平台的多媒体信息交互软件。提出了一种多媒体交互系统框架,以会话初始化协议(SIP)作为控制信令。阐述了Android多媒体交互客户端的设计,通过SIP协议实现用户登录、列表获取、即时消息传递和视频会话邀请等功能,基于实时传输协议(RTP)实现音视频数据传输,使用Java本地调用(JNI)实现音视频数据编解码,并采用主从流的方式实现音视频播放时的唇音同步。
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| 关 键 词： | Android 多媒体信息交互 会话初始化协议 实时传输协议 唇音同步 |
Design of Multimedia Information Interactive System Client Software Based on Android |
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| ZHENG Rui,WANG Liqun,XU Zhijiang.Design of Multimedia Information Interactive System Client Software Based on Android[J].Audio Engineering,2014(5):66-69,82. |
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| Authors: | ZHENG Rui WANG Liqun XU Zhijiang |
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| Affiliation: | 1. College of Information Engineering, Zhejiang University of Technology, Hangzhou 310023,China; 2. Zhejiang Radio＆TV Group, Hangzhou 310012, China) |
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| Abstract: | In order to achieve instant messaging chat and video session by Android system,a multimedia information inter- active software based on Android is designed. A framework of multimedia information interactive system is proposed, using Session Initiation Protocol（SIP） as controlling signaling. The design of multimedia information interactive client software is introduced. It is realized on the client that user login,list acquisition, instant messaging, video session invitation via Session Initiation Protocol,implemented audio and video data transmission based on Real -time Transport Protocol（RTP）. What＇s more, the audio and video data encoding and decoding by Java Native Interface （JNI） are achieved, and labial synchronization using master- slave flow synchronization is realized. |
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| Keywords: | Android multimedia information interactive session initiation protocol Real - time Transport Protocol labial synchronization |
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