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H261 and H263-based Programable Video Transceivers

H261 and H263-based Programable Video Transceivers
H261 and H263-based Programable Video Transceivers
The video quality versus bitrate performance of the H.261 and H.268codecs is characterised and a bitrate control algorithm is proposed in order to maintain a selectable near-constant video bitrate. The source codecs are operated at four different bitrates, which result in a constant symbol rate after error correction coding. This system constellation allowed us to maintain a constant video user bandwidth requirement, but benefit from improving channel conditions in terms of better video quality, when invoking more bandwidth efficient modem schemes ranging from 1 to 6 bits per symbol.
1369-1373
Cherriman, P J
ac4b6a79-840e-4ea5-b4d0-352e0f36ae24
Hanzo, L
66e7266f-3066-4fc0-8391-e000acce71a1
Cherriman, P J
ac4b6a79-840e-4ea5-b4d0-352e0f36ae24
Hanzo, L
66e7266f-3066-4fc0-8391-e000acce71a1

Cherriman, P J and Hanzo, L (1996) H261 and H263-based Programable Video Transceivers At ICCS'96/ISPAC'96, Singapore. 25 - 29 Nov 1996. , pp. 1369-1373.

Record type: Conference or Workshop Item (Paper)

Abstract

The video quality versus bitrate performance of the H.261 and H.268codecs is characterised and a bitrate control algorithm is proposed in order to maintain a selectable near-constant video bitrate. The source codecs are operated at four different bitrates, which result in a constant symbol rate after error correction coding. This system constellation allowed us to maintain a constant video user bandwidth requirement, but benefit from improving channel conditions in terms of better video quality, when invoking more bandwidth efficient modem schemes ranging from 1 to 6 bits per symbol.

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More information

Published date: November 1996
Additional Information: Event Dates: 25-29 November 1996 Address: Singapore
Venue - Dates: ICCS'96/ISPAC'96, Singapore, 1996-11-25 - 1996-11-29
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 251327
URI: http://eprints.soton.ac.uk/id/eprint/251327
PURE UUID: 417fa6c5-7349-4fb0-921d-90801cc45e0f
ORCID for L Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 27 Oct 1999
Last modified: 18 Jul 2017 10:10

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Contributors

Author: P J Cherriman
Author: L Hanzo ORCID iD

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