A Method for Exactly Decodable PCM Color Television

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 89, No. 8, pp. 570–573
Abstract: A method is described for PCM encoding of the Y, I, and Q components of an NTSC signal in such a way that exact recovery of the components is possible, while compatibility with NTSC standards is approximately preserved. With this method, a digital decoder can separate Y, I, and Q exactly from the PCM signal; with a digital-to-analog conversion, the same PCM signal could be broadcast to standard analog NTSC receivers. The basis of the method is a block interpolation which increases the sampling rate of each component (to 4× subcarrier in the example presented here). Proper choice of the interpolation coefficients can produce a signal which approximates an NTSC standard signal. How good the approximation can be is an open question, but an example is given which demonstrates the concept and the design methods.
Publication Date: 1980-08-01
DOI: 10.5594/J01583
ISSN: Print: 0036-1682
Link: https://doi.org/10.5594/J01583
Author(s): R. Frank QuickDepartment of Electrical Engineering, Carnegie-Mellon University, Pittsburgh, PA 15213.
Copyright: © 1980 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

PCM NTSC Television Characteristics [Active]
Sub-Nyquist-Encoded PCM NTSC Color Television [Active]
A Primer on Digital Television [Active]
4. Nyquist H. , “Certain Factors Affecting Telegraph Speed,” Bell System Tech. J. , 3 : 324 – 346 , Mar. 1924 . EXTERNAL
5. Rabiner L. R. Gold B. , Theory and Application of Digital Signal Processing , Prentice-Hall, Inc. , Englewood Cliffs, N. J. , 1975 . EXTERNAL

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R. Frank Quick; A Method for Exactly Decodable PCM Color Television, SMPTE Journal ( Volume: 89, Issue: 8, August 1980); SMPTE, 1980. Available at https://doi.org/10.5594/J01583

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R. Frank Quick; A Method for Exactly Decodable PCM Color Television, SMPTE Journal ( Volume: 89, Issue: 8, August 1980); SMPTE, 1980. Available at https://doi.org/10.5594/J01583

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R. Frank Quick; A Method for Exactly Decodable PCM Color Television, SMPTE Journal ( Volume: 89, Issue: 8, August 1980); SMPTE, 1980. Available at https://doi.org/10.5594/J01583

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<span class="citation">R. Frank Quick; <cite>A Method for Exactly Decodable PCM Color Television</cite>, SMPTE Journal ( Volume: 89, Issue: 8, August 1980); SMPTE, 1980. Available at <a href="https://doi.org/10.5594/J01583" target="_blank" rel="noopener">https://doi.org/10.5594/J01583</a></span>

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R. Frank Quick; A Method for Exactly Decodable PCM Color Television, SMPTE Journal ( Volume: 89, Issue: 8, August 1980); SMPTE, 1980
doi: 10.5594/J01583
url: https://doi.org/10.5594/J01583

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<li>
R. Frank Quick; <cite id="bib-10-5594-j01583">A Method for Exactly Decodable PCM Color Television</cite>, SMPTE Journal ( Volume: 89, Issue: 8, August 1980); SMPTE, 1980
<span class="doi">10.5594/J01583</span>
</li>