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SMPTE Journal ( Volume: 105, Issue: 11, November 1996)
[ACTIVE]

Objective Assessment of Single and Concatenated Compression Codecs

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
SMPTE J
Volume
105, No. 11, pp. 698–701
Abstract
With the inception of broadcast equipment incorporating bit-rate reduction techniques, concern is being voiced by some broadcasters on the cumulative effects of cascading compression codecs of different types. Compression can now be found in all parts of the broadcast chain, from acquisition, contribution, processing, recording, and distribution. Subjective viewing can give an overall assessment of perceived picture quality but may not indicate the quantitative levels of distortion that could later affect post-production, or the susceptibility to gross errors if the signal is subsequently passed through further compression. This paper discusses conventional and new subjective and objective assessment methods with the aim of providing background information for seminar discussion. Some tentative proposals are put forward for objective evaluation together with initial observations when concatenating codecs of similar and different types.
Publication Date
1996-11-01
DOI
10.5594/J06442
ISSN
Print: 0036-1682
Link
https://doi.org/10.5594/J06442
Author(s)
Chris J. DaltonIndependent Television Association (ITV), London, England, SE1 9LT.
bio
Chris J. Dalton graduated from Bristol University (U. K.) with a doctorate in electrical engineering and has been associated with broadcasting since that time. He worked for 18 years at the BBC's Research and Design Departments prior to joining Questech Ltd. as technical director. In 1982 he moved back to broadcasting with the Independent Television Association, where he is now head of development at the ITV Network Technology Centre, located at the London TV Centre. Dalton is an acknowledged expert in colorimetry and the composite PAL system, and he has been closely linked with a number of pioneering developments in digital studio systems. Currently he is concerned with new broadcast systems and standards, particularly extended and high-definition television and digital broadcast systems. Dalton participates in a number of interenational acitivities with the European Broadcasting Union (EBU) and International Telecommunications Union (ITU). He is a member of the IEE, a Fellow of the Royal Television Society (RTS), and a recently elected Fellow of the SMPTE. He has been recognized with awards from the RTS and IEE.
Copyright
© 1996 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1. Ardito M. Barbero M. Visca M. , “Correlation between Objective and Subjective Measurements for Video Compressed Systems,” IBC Conf. Proceedings , Amsterdam, 1995 . EXTERNAL
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Chris J. Dalton; Objective Assessment of Single and Concatenated Compression Codecs, SMPTE Journal ( Volume: 105, Issue: 11, November 1996); SMPTE, 1996. Available at https://doi.org/10.5594/J06442
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Chris J. Dalton; Objective Assessment of Single and Concatenated Compression Codecs, SMPTE Journal ( Volume: 105, Issue: 11, November 1996); SMPTE, 1996. Available at https://doi.org/10.5594/J06442

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Chris J. Dalton; Objective Assessment of Single and Concatenated Compression Codecs, SMPTE Journal ( Volume: 105, Issue: 11, November 1996); SMPTE, 1996. Available at https://doi.org/10.5594/J06442
Snippet:
<span class="citation">Chris J. Dalton; <cite>Objective Assessment of Single and Concatenated Compression Codecs</cite>, SMPTE Journal ( Volume: 105, Issue: 11, November 1996); SMPTE, 1996. Available at <a href="https://doi.org/10.5594/J06442" target="_blank" rel="noopener">https://doi.org/10.5594/J06442</a></span>

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Chris J. Dalton; Objective Assessment of Single and Concatenated Compression Codecs, SMPTE Journal ( Volume: 105, Issue: 11, November 1996); SMPTE, 1996
doi: 10.5594/J06442
url: https://doi.org/10.5594/J06442
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<li>
Chris J. Dalton; <cite id="bib-10-5594-j06442">Objective Assessment of Single and Concatenated Compression Codecs</cite>, SMPTE Journal ( Volume: 105, Issue: 11, November 1996); SMPTE, 1996
<span class="doi">10.5594/J06442</span>
</li>