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SMPTE Journal ( Volume: 97, Issue: 9, September 1988)
[ACTIVE]

Video-to-Audio Synchrony Monitoring and Correction

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
97, No. 9, pp. 695–698
Abstract
Contemporary practices in the transmission of network television programming have rendered traditional methods of restoring video-to-audio synchronization inadequate. Constantly changing transmission path lengths encountered in satellite transmissions make it impossible to predict accurately the amount of delay that will be introduced by video processing, and other kinds of processing may introduce further unknown delay times. A new method of using encoded audio to determine relative time differences between audio and video can fully automate and guarantee proper video-to-audio synchronization at the receiving station. This correction can be made at any point in the system and does not require any knowledge of the amount of delay that may have been accumulated along the way.
Publication Date
1988-09-01
DOI
10.5594/J02892
ISSN
Print: 0036-1682
Link
https://doi.org/10.5594/J02892
Author(s)
J. Carl CooperPixel Instruments Corp., Santa Clara, CA 95051–1313.
Copyright
© 1988 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • 1. Butler Robert J. , “Operational Implementation of a Broadcast Television Frame Synchronizer,”? Digital Video: Selections from the SMPTE Journal and Other Publications , pp. 80 – 83 , March 1977 . EXTERNAL
  • 2. Cooper Carl J. , U.S. Patent No. 4,313,135, “Method and Apparatus for Preserving or Restoring Audio to Video Synchronization,” Jan. 26, 1982 . EXTERNAL
  • 3. Dalton Chris , “Vision AND Sound — The Use of Audio Delay Synchronisers,”? International Broadcast Engineer , 14 : 5 – 6 , Jan. 1983 . EXTERNAL
  • 4. Inaba Masao , U.S. Patent No. 4,218,705, “Delay Compensation for a Television Signal,” Aug. 19, 1980 . EXTERNAL
  • 5. Cooper Carl J. , U.S. Patent No. 4,665,431, “Apparatus and Method for Receiving Audio Signals Transmitted as Part of a Television Video Signal,” May 12, 1987 . EXTERNAL
  • 6. Cooper Carl J. , U.S. Patent No. 4,703,355, “Audio to Video Timing Equalizer Method and Apparatus,” Oct. 27, 1987 . EXTERNAL
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J. Carl Cooper; Video-to-Audio Synchrony Monitoring and Correction, SMPTE Journal ( Volume: 97, Issue: 9, September 1988); SMPTE, 1988. Available at https://doi.org/10.5594/J02892
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J. Carl Cooper; Video-to-Audio Synchrony Monitoring and Correction, SMPTE Journal ( Volume: 97, Issue: 9, September 1988); SMPTE, 1988. Available at https://doi.org/10.5594/J02892

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J. Carl Cooper; Video-to-Audio Synchrony Monitoring and Correction, SMPTE Journal ( Volume: 97, Issue: 9, September 1988); SMPTE, 1988. Available at https://doi.org/10.5594/J02892
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<span class="citation">J. Carl Cooper; <cite>Video-to-Audio Synchrony Monitoring and Correction</cite>, SMPTE Journal ( Volume: 97, Issue: 9, September 1988); SMPTE, 1988. Available at <a href="https://doi.org/10.5594/J02892" target="_blank" rel="noopener">https://doi.org/10.5594/J02892</a></span>

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J. Carl Cooper; Video-to-Audio Synchrony Monitoring and Correction, SMPTE Journal ( Volume: 97, Issue: 9, September 1988); SMPTE, 1988
doi: 10.5594/J02892
url: https://doi.org/10.5594/J02892
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J. Carl Cooper; <cite id="bib-10-5594-j02892">Video-to-Audio Synchrony Monitoring and Correction</cite>, SMPTE Journal ( Volume: 97, Issue: 9, September 1988); SMPTE, 1988
<span class="doi">10.5594/J02892</span>
</li>

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