DPCM Encoding of NTSC Composite Signals

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: Two subjective evaluation experiments were performed using an experimental digital television (EDIT) encoder developed at Comsat Laboratories. The first experiment led to the selection of a differential pulse-code-modulation (DPCM) quantizer from among a set of seven quantizers yielding various tradeoffs between quantizing noise and slope overload. In the second experiment, the picture quality of digitally processed pictures sampled at 10.7 MHz and coded with four bits per sample was found to be subjectively equivalent to the quality of pictures with an analog signal-to-weighted-noise ratio of about 47 dB.
Publication Date: 1977-10-01
DOI: 10.5594/J06741
Link: https://doi.org/10.5594/J06741
Author(s): Its'Hak Dinstein

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Its'Hak Dinstein; DPCM Encoding of NTSC Composite Signals, SMPTE Journal ( Volume: 86, Issue: 10, October 1977); SMPTE, 1977. Available at https://doi.org/10.5594/J06741

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Its&#x27;Hak Dinstein; DPCM Encoding of NTSC Composite Signals, SMPTE Journal ( Volume: 86, Issue: 10, October 1977); SMPTE, 1977. Available at https://doi.org/10.5594/J06741

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Its'Hak Dinstein; DPCM Encoding of NTSC Composite Signals, SMPTE Journal ( Volume: 86, Issue: 10, October 1977); SMPTE, 1977. Available at https://doi.org/10.5594/J06741

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<span class="citation">Its&#x27;Hak Dinstein; <cite>DPCM Encoding of NTSC Composite Signals</cite>, SMPTE Journal ( Volume: 86, Issue: 10, October 1977); SMPTE, 1977. Available at <a href="https://doi.org/10.5594/J06741" target="_blank" rel="noopener">https://doi.org/10.5594/J06741</a></span>

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Its'Hak Dinstein; DPCM Encoding of NTSC Composite Signals, SMPTE Journal ( Volume: 86, Issue: 10, October 1977); SMPTE, 1977
doi: 10.5594/J06741
url: https://doi.org/10.5594/J06741

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Its&#x27;Hak Dinstein; <cite id="bib-10-5594-j06741">DPCM Encoding of NTSC Composite Signals</cite>, SMPTE Journal ( Volume: 86, Issue: 10, October 1977); SMPTE, 1977
<span class="doi">10.5594/J06741</span>
</li>