DocumentCode
824078
Title
Component codec standards for high-quality digital television
Author
Wells, N.D.
Author_Institution
BBC Res. Dept., Tadworth, UK
Volume
4
Issue
4
fYear
1992
fDate
8/1/1992 12:00:00 AM
Firstpage
195
Lastpage
202
Abstract
Work towards defining standards for digital television transmission codecs has been proceeding for many years. A draft specification for 140 Mbit/s coding using blanking removal and differential pulse code modulation is given in CCIR Recommendation 721. A draft specification for a codec operating at 30-45 Mbit/s and using the discrete cosine transform has been defined by the European Telecommunications Standards Institute. The author briefly reviews bit-rate-reduction techniques and describes the 140 and 34 Mbit/s codecs
Keywords
codecs; encoding; pulse-code modulation; television standards; video equipment; 140 Mbit/s; 30 to 45 Mbit/s; CCIR Recommendation 721; DCT; DPCM; ETSI; European Telecommunications Standards Institute; bit-rate-reduction techniques; blanking removal; codec standards; differential pulse code modulation; discrete cosine transform; encoding; high-quality digital television;
fLanguage
English
Journal_Title
Electronics & Communication Engineering Journal
Publisher
iet
ISSN
0954-0695
Type
jour
Filename
159002
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