Research and Development for ITU-TH.324 Recommendation Compliant Videophone System

HU Ruimin; LI Deren; YU Zhanwu; SHEN Weiming

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Volume 27 Issue 1

Jan. 2002

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Article Navigation > Geomatics and Information Science of Wuhan University > 2002 > 27(1): 9-16

HU Ruimin, LI Deren, YU Zhanwu, SHEN Weiming. Research and Development for ITU-TH.324 Recommendation Compliant Videophone System[J]. Geomatics and Information Science of Wuhan University, 2002, 27(1): 9-16.

Citation:

HU Ruimin, LI Deren, YU Zhanwu, SHEN Weiming. Research and Development for ITU-TH.324 Recommendation Compliant Videophone System[J]. Geomatics and Information Science of Wuhan University, 2002, 27(1): 9-16.

Research and Development for ITU-TH.324 Recommendation Compliant Videophone System

The Key Laboratory of Multimedia and Network Communications Engineering, Hubei Province, Wuhan University, 129 Luoyu Road, Wuhan, China, 430079

Received Date: 2001-11-23
Publish Date: 2002-01-05

Abstract

The system structure,subsystem and core techniques including video coding rate control,video signal pre and post processing,quick algorithm for heavy density calculation module,lip synchronization and audio-video balance control under bad communication condition,are talked ab out in the paper.The system has the features such as crisp and smooth video performance,fr am e refresh rate of up to 25 f/s,less than 300ms system one-way processing delay,proprietary technology to support steady video communications at bad line condition down to 12kbit/s,et al.
- videophone,
- H.324,
- multimedia communication
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Research and Development for ITU-TH.324 Recommendation Compliant Videophone System

The Key Laboratory of Multimedia and Network Communications Engineering, Hubei Province, Wuhan University, 129 Luoyu Road, Wuhan, China, 430079

Received Date: 2001-11-23
Publish Date: 2002-01-05

Key words:

Abstract: The system structure,subsystem and core techniques including video coding rate control,video signal pre and post processing,quick algorithm for heavy density calculation module,lip synchronization and audio-video balance control under bad communication condition,are talked ab out in the paper.The system has the features such as crisp and smooth video performance,fr am e refresh rate of up to 25 f/s,less than 300ms system one-way processing delay,proprietary technology to support steady video communications at bad line condition down to 12kbit/s,et al.

Citation: