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SMPTE Journal ( Volume: 87, Issue: 3, March 1978)
[ACTIVE]

A Digital Noise Reducer for Encoded NTSC Signals

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
87, No. 3, pp. 129–133
Abstract
Until recently, most of the random noise problems that have long plagued television engineers could only be attacked at the source. The recent advent of practical digital television technology, however, now makes it possible to process a television signal on an element-by-element basis. The noise reduction system described in this paper uses a digital frame store operating as an adaptive recursive filter, under the control of a motion detector employing comb filtering and signal modification. Using these techniques, an improvement of 15 dB can readily be achieved without introducing objectionable artifacts into the picture. Among the many areas of application of the digital noise reducer are: improvement of ENG material (both live and taped, especially at low light levels); processing of multigeneration 1-in or 2-in videotape; microwave reception; CATV satellite reception; telecine film-grain reduction (monochrome and color); and off-air reception.
Publication Date
1978-03-01
DOI
10.5594/J17406
ISSN
Print: 0036-1682
Link
https://doi.org/10.5594/J17406
Author(s)
R. H. McMannThomson-CSF Laboratories, 37 Brownhouse Rd., Stamford, CT 06902
S. KreinikThomson-CSF Laboratories, 37 Brownhouse Rd., Stamford, CT 06902
J. K. MooreCBS Technology Center, 227 High Ridge Rd., Stamford, CT 06905
A. KaiserCBS Technology Center, 227 High Ridge Rd., Stamford, CT 06905
J. RossiCBS Technology Center, 227 High Ridge Rd., Stamford, CT 06905
Copyright
© 1978 Society of Motion Picture and Television Engineers, Inc.
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R. H. McMann, S. Kreinik, J. K. Moore, A. Kaiser, and J. Rossi; A Digital Noise Reducer for Encoded NTSC Signals, SMPTE Journal ( Volume: 87, Issue: 3, March 1978); SMPTE, 1978. Available at https://doi.org/10.5594/J17406
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R. H. McMann, S. Kreinik, J. K. Moore, A. Kaiser, and J. Rossi; A Digital Noise Reducer for Encoded NTSC Signals, SMPTE Journal ( Volume: 87, Issue: 3, March 1978); SMPTE, 1978. Available at https://doi.org/10.5594/J17406

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R. H. McMann, S. Kreinik, J. K. Moore, A. Kaiser, and J. Rossi; A Digital Noise Reducer for Encoded NTSC Signals, SMPTE Journal ( Volume: 87, Issue: 3, March 1978); SMPTE, 1978. Available at https://doi.org/10.5594/J17406
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<span class="citation">R. H. McMann, S. Kreinik, J. K. Moore, A. Kaiser, and J. Rossi; <cite>A Digital Noise Reducer for Encoded NTSC Signals</cite>, SMPTE Journal ( Volume: 87, Issue: 3, March 1978); SMPTE, 1978. Available at <a href="https://doi.org/10.5594/J17406" target="_blank" rel="noopener">https://doi.org/10.5594/J17406</a></span>

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R. H. McMann, S. Kreinik, J. K. Moore, A. Kaiser, and J. Rossi; A Digital Noise Reducer for Encoded NTSC Signals, SMPTE Journal ( Volume: 87, Issue: 3, March 1978); SMPTE, 1978
doi: 10.5594/J17406
url: https://doi.org/10.5594/J17406
Snippet:
<li>
R. H. McMann, S. Kreinik, J. K. Moore, A. Kaiser, and J. Rossi; <cite id="bib-10-5594-j17406">A Digital Noise Reducer for Encoded NTSC Signals</cite>, SMPTE Journal ( Volume: 87, Issue: 3, March 1978); SMPTE, 1978
<span class="doi">10.5594/J17406</span>
</li>

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