Title :
Video transcoding gateway for wireless video access
Author :
Lei, Zhijun ; Georganas, Nicolas D.
Author_Institution :
Distributed & Collaborative Virtual Environments Res. Lab., Ottawa Univ., Ont., Canada
Abstract :
In this paper, we review several typical video transcoding architectures and major applications of video transcoding. We identify issues involved in access video streams through handheld devices and wireless networks. To handle these issues, we propose a video transcoding gateway system for intelligently transcoding preencoded video for different user devices and network connections. The main functions of this transcoding gateway include frame size downscaling, frame rate conversion, bit rate adaptation, color conversion, etc. Based on this, we design and implement a prototype of the transcoding gateway system and test it in a wireless LAN.
Keywords :
internetworking; multimedia communication; network servers; radio networks; ubiquitous computing; video coding; wireless LAN; bit rate adaptation; color conversion; frame rate conversion; frame size downscaling; handheld device; network connection; pervasive computing; preencoded video transcoding gateway; universal multimedia access; wireless LAN; wireless network; wireless video access; Bit rate; Handheld computers; Intelligent networks; Intelligent systems; Prototypes; Streaming media; System testing; Transcoding; Wireless LAN; Wireless networks;
Conference_Titel :
Electrical and Computer Engineering, 2003. IEEE CCECE 2003. Canadian Conference on
Print_ISBN :
0-7803-7781-8
DOI :
10.1109/CCECE.2003.1226254
