Video-to-Audio Synchrony Monitoring and Correction

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
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
Link: https://doi.org/10.5594/J02892
Author(s): J. Carl Cooper

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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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<li>
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>