NTSC and MAC Television Signals in Noise and Interference Environments

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: Future direct broadcast satellite (DBS) systems will be governed by two main limiting factors: noise and interference. This article presents the results of a two-phase measurement program to evaluate the effect of noise and interference on the quality of TV pictures. The first phase evaluated the effects on the FM-NTSC television signal, and the results were used to set the technical parameters for planning the DBS service at the RARC-83. The second phase concentrated on the new Multiplexed Analog Components (MAC) encoding proposed in Europe as the signal format for 625-line DBS systems, which is also gaining importance in North America. Preliminary results of the comparison study on the susceptibility of MAC and NTSC signals to system noise as a function of over-deviation, as well as co-channel and adjacent-channel interference, are reported.
Publication Date: 1984-10-01
DOI: 10.5594/J03454
Link: https://doi.org/10.5594/J03454
Author(s): Gérald Chouinard, John N. Barry

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Gérald Chouinard and John N. Barry; NTSC and MAC Television Signals in Noise and Interference Environments, SMPTE Journal ( Volume: 93, Issue: 10, October 1984); SMPTE, 1984. Available at https://doi.org/10.5594/J03454

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Gérald Chouinard and John N. Barry; NTSC and MAC Television Signals in Noise and Interference Environments, SMPTE Journal ( Volume: 93, Issue: 10, October 1984); SMPTE, 1984. Available at https://doi.org/10.5594/J03454

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<span class="citation">Gérald Chouinard and John N. Barry; <cite>NTSC and MAC Television Signals in Noise and Interference Environments</cite>, SMPTE Journal ( Volume: 93, Issue: 10, October 1984); SMPTE, 1984. Available at <a href="https://doi.org/10.5594/J03454" target="_blank" rel="noopener">https://doi.org/10.5594/J03454</a></span>

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Gérald Chouinard and John N. Barry; NTSC and MAC Television Signals in Noise and Interference Environments, SMPTE Journal ( Volume: 93, Issue: 10, October 1984); SMPTE, 1984
doi: 10.5594/J03454
url: https://doi.org/10.5594/J03454

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<li>
Gérald Chouinard and John N. Barry; <cite id="bib-10-5594-j03454">NTSC and MAC Television Signals in Noise and Interference Environments</cite>, SMPTE Journal ( Volume: 93, Issue: 10, October 1984); SMPTE, 1984
<span class="doi">10.5594/J03454</span>
</li>