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Proceedings Paper

tgw: a webcast transcoding gateway
Author(s): Timothy Fitz
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Paper Abstract

Internet webcasting is gaining attention as the cost of communications and computer processing declines. The UC Berkeley Multimedia, Interfaces, and Graphics Seminar is webcast worldwide on the Internet using IETF standards on the Multicast Backbone (Mbone). Many potential viewers are unable to receive the webcast due to network problems and/or the lack of software supporting the Mbone protocols and codecs. The Transcoding Gateway, called tgw, simplifies the management of simulcasting several transmissions that use different transport protocols, media formats, and network bandwidth. Tgw incorporates transmission bandwidth allocation, transcoding to alternative formats, and redirection of streams to alternate addresses to manage transmission of a webcast.

Paper Details

Date Published: 7 January 2003
PDF: 12 pages
Proc. SPIE 5019, Multimedia Computing and Networking 2003, (7 January 2003); doi: 10.1117/12.484079
Show Author Affiliations
Timothy Fitz, Univ. of California/Berkeley (United States)

Published in SPIE Proceedings Vol. 5019:
Multimedia Computing and Networking 2003
Ragunathan Rajkumar, Editor(s)

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