Improved Signal Processing Techniques for Color Television Broadcasting

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: A new technique for image enhancement permits both vertical and horizontal equalization of an encoded NTSC signal without the generation of black-and-white overshoots and without the use of clippers in the main signal path. A phantom channel is used to improve the long-term drift characteristics of the equalizer. Level dependent equalization and crispening are also employed to permit a maximum of equalization with a minimum introduction of noise. A companion masking amplifier employs low-pass filters in the masking channel to permit optimum live camera, pre-gamma masking without the introduction of noise. When used together these two units produce considerable subjective improvement in the broadcast color signal.
Publication Date: 1968-03-01
DOI: 10.5594/J07030
Link: https://doi.org/10.5594/J07030
Author(s): R. H. Mcmann, A. A. Goldberg

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R. H. Mcmann and A. A. Goldberg; Improved Signal Processing Techniques for Color Television Broadcasting, Journal of the SMPTE ( Volume: 77, Issue: 3, March 1968); SMPTE, 1968. Available at https://doi.org/10.5594/J07030

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R. H. Mcmann and A. A. Goldberg; Improved Signal Processing Techniques for Color Television Broadcasting, Journal of the SMPTE ( Volume: 77, Issue: 3, March 1968); SMPTE, 1968. Available at https://doi.org/10.5594/J07030

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<span class="citation">R. H. Mcmann and A. A. Goldberg; <cite>Improved Signal Processing Techniques for Color Television Broadcasting</cite>, Journal of the SMPTE ( Volume: 77, Issue: 3, March 1968); SMPTE, 1968. Available at <a href="https://doi.org/10.5594/J07030" target="_blank" rel="noopener">https://doi.org/10.5594/J07030</a></span>

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R. H. Mcmann and A. A. Goldberg; Improved Signal Processing Techniques for Color Television Broadcasting, Journal of the SMPTE ( Volume: 77, Issue: 3, March 1968); SMPTE, 1968
doi: 10.5594/J07030
url: https://doi.org/10.5594/J07030

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<li>
R. H. Mcmann and A. A. Goldberg; <cite id="bib-10-5594-j07030">Improved Signal Processing Techniques for Color Television Broadcasting</cite>, Journal of the SMPTE ( Volume: 77, Issue: 3, March 1968); SMPTE, 1968
<span class="doi">10.5594/J07030</span>
</li>