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Journal of the SMPTE ( Volume: 80, Issue: 8, August 1971)
[ACTIVE]

Subjective Effects of Delay Difference between Luminance and Chrominance Information of the NTSC Color Television Signal

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
Delay difference between the luminance and chrominance information of the NTSC color television signal causes colors to shift to the left or right of objects in the viewed color picture. This delay difference can occur during the processing or transmission of the color signal resulting in two basic delay difference types. Flat delay is the type of delay difference that can occur when the luminance and chrominance signals are separated, as frequently happens during signal processing, and is a function of the absolute delays of the separate luminance and chrominance signal paths. Shaped delay can occur during the transmission of the composite color signal and is a function of the delay characteristic of the transmission system. A series of subjective tests was designed to evaluate the effects of both flat and shaped delay on color TV pictures. Expert observers used a seven-point comment scale ranging from “not perceptible” to “extremely objectionable,” to rate picture impairments resulting from various magnitudes of delay difference.
Publication Date
1971-08-01
DOI
10.5594/J05766
Link
https://doi.org/10.5594/J05766
Author(s)
Anthony M. Lessman
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Anthony M. Lessman; Subjective Effects of Delay Difference between Luminance and Chrominance Information of the NTSC Color Television Signal, Journal of the SMPTE ( Volume: 80, Issue: 8, August 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J05766
Snippet:
Anthony M. Lessman; Subjective Effects of Delay Difference between Luminance and Chrominance Information of the NTSC Color Television Signal, Journal of the SMPTE ( Volume: 80, Issue: 8, August 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J05766

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Anthony M. Lessman; Subjective Effects of Delay Difference between Luminance and Chrominance Information of the NTSC Color Television Signal, Journal of the SMPTE ( Volume: 80, Issue: 8, August 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J05766
Snippet:
<span class="citation">Anthony M. Lessman; <cite>Subjective Effects of Delay Difference between Luminance and Chrominance Information of the NTSC Color Television Signal</cite>, Journal of the SMPTE ( Volume: 80, Issue: 8, August 1971); SMPTE, 1971. Available at <a href="https://doi.org/10.5594/J05766" target="_blank" rel="noopener">https://doi.org/10.5594/J05766</a></span>

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Anthony M. Lessman; Subjective Effects of Delay Difference between Luminance and Chrominance Information of the NTSC Color Television Signal, Journal of the SMPTE ( Volume: 80, Issue: 8, August 1971); SMPTE, 1971
doi: 10.5594/J05766
url: https://doi.org/10.5594/J05766
Snippet:
<li>
Anthony M. Lessman; <cite id="bib-10-5594-j05766">Subjective Effects of Delay Difference between Luminance and Chrominance Information of the NTSC Color Television Signal</cite>, Journal of the SMPTE ( Volume: 80, Issue: 8, August 1971); SMPTE, 1971
<span class="doi">10.5594/J05766</span>
</li>