Channel-Compatible 6-MHz HDTV Distribution Systems

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: A new TV distribution that uses receiver technology deemed practical in the near future and that is intended to achieve the highest possible image quality within a given channel capacity is proposed. This system is designed to be used immediately for controlled-access systems such as cable. It is also suitable for eventual broadcasting use in a two-stage strategy in which an intermediate backward-compatible system is the first stage. Applications to FM, recording, and digital transmission are described. The efficiency of analog channel utilization is improved over NTSC by the use of double sideband quadrature modulation of two 3-MHz signals on a single carrier in the center of the band and by elimination of the retrace intervals and sound carrier. Higher perceived quality for a given transmission rate is achieved by dividing the signal into components according to both spatial and temporal frequency and transmitting the appropriate combination of components according to the degree of motion in each scene. A “smart,” programmable, openarchitecture receiver is proposed capable of decoding a wide variety of signal formats and displaying the image at higher line and frame rates than transmitted. Such a receiver can also display the backward-compatible extended-definition television (EDTV) system described in a companion paper by A. B. Lippman et al. in this issue, and it can be upgraded over time by virtue of its programmability and by adding hardware and software modules.
Publication Date: 1989-01-01
DOI: 10.5594/J04166
Link: https://doi.org/10.5594/J04166
Author(s): W. F. Schreiber, A. B. Lippman, A. N. Netravali, E. H. Adelson, D. H. Staelin

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W. F. Schreiber, A. B. Lippman, A. N. Netravali, E. H. Adelson, and D. H. Staelin; Channel-Compatible 6-MHz HDTV Distribution Systems, SMPTE Journal ( Volume: 98, Issue: 1, January 1989); SMPTE, 1989. Available at https://doi.org/10.5594/J04166

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W. F. Schreiber, A. B. Lippman, A. N. Netravali, E. H. Adelson, and D. H. Staelin; Channel-Compatible 6-MHz HDTV Distribution Systems, SMPTE Journal ( Volume: 98, Issue: 1, January 1989); SMPTE, 1989. Available at https://doi.org/10.5594/J04166

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<span class="citation">W. F. Schreiber, A. B. Lippman, A. N. Netravali, E. H. Adelson, and D. H. Staelin; <cite>Channel-Compatible 6-MHz HDTV Distribution Systems</cite>, SMPTE Journal ( Volume: 98, Issue: 1, January 1989); SMPTE, 1989. Available at <a href="https://doi.org/10.5594/J04166" target="_blank" rel="noopener">https://doi.org/10.5594/J04166</a></span>

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<li>
W. F. Schreiber, A. B. Lippman, A. N. Netravali, E. H. Adelson, and D. H. Staelin; <cite id="bib-10-5594-j04166">Channel-Compatible 6-MHz HDTV Distribution Systems</cite>, SMPTE Journal ( Volume: 98, Issue: 1, January 1989); SMPTE, 1989
<span class="doi">10.5594/J04166</span>
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