Measurement of Nonlinear Distortions in Color Television Systems

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 79, No. 1, pp. 28–30
Abstract: NTSC color television tests for differential phase and gain in transmission facilities have shown the need for better measurement techniques. Two problems to be solved are the need to readjust the hue control between TV channels and distortion related to changes in average picture level. Dynamic gain may occur in the chrominance signal, the whole signal, or in the luminance and sync signals only. Dynamic phase affects the chrominance signal only. Present differential phase measurements are made with subcarrier levels smaller than the burst signal or chrominance signals of saturated parts of the picture. By adding a variable-amplitude subcarrier signal of constant phase to the variable luminance lines, we can probe the entire range of luminance signal values to detect the presence of distortions sensitive to chrominance amplitude.
Publication Date: 1970-01-01
DOI: 10.5594/J16709
ISSN: Print: 0361-4573
Link: https://doi.org/10.5594/J16709
Author(s): Charles W. RhodesTektronix, Inc., Beaverton, OR 97005
Copyright: © 1970 Society of Motion Picture and Television Engineers, Inc.

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Charles W. Rhodes; Measurement of Nonlinear Distortions in Color Television Systems, Journal of the SMPTE ( Volume: 79, Issue: 1, January 1970); SMPTE, 1970. Available at https://doi.org/10.5594/J16709

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Charles W. Rhodes; Measurement of Nonlinear Distortions in Color Television Systems, Journal of the SMPTE ( Volume: 79, Issue: 1, January 1970); SMPTE, 1970. Available at https://doi.org/10.5594/J16709

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<span class="citation">Charles W. Rhodes; <cite>Measurement of Nonlinear Distortions in Color Television Systems</cite>, Journal of the SMPTE ( Volume: 79, Issue: 1, January 1970); SMPTE, 1970. Available at <a href="https://doi.org/10.5594/J16709" target="_blank" rel="noopener">https://doi.org/10.5594/J16709</a></span>

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Charles W. Rhodes; Measurement of Nonlinear Distortions in Color Television Systems, Journal of the SMPTE ( Volume: 79, Issue: 1, January 1970); SMPTE, 1970
doi: 10.5594/J16709
url: https://doi.org/10.5594/J16709

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<li>
Charles W. Rhodes; <cite id="bib-10-5594-j16709">Measurement of Nonlinear Distortions in Color Television Systems</cite>, Journal of the SMPTE ( Volume: 79, Issue: 1, January 1970); SMPTE, 1970
<span class="doi">10.5594/J16709</span>
</li>