Monitoring and Control of Audio-to-Video Delay in Broadcast Systems

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Publisher: SMPTE — White Plains, NY
Doc Type: Conference Paper
Content Type: Original Research
Volume: 2001, No. 35, pp. 1–8
Abstract: We have come to expect much of television over the last decade, including increased channel capacity and video and audio quality improvements due in large to new digital processing capabilities. However, one of the first viewer determinates of television program quality has proven to be the proper and consistent synchronization of the visual and audio signal elements, otherwise referred to as lip-sync timing. This paper will provide a brief overview of the reasons for the increasing audio-to-video delay problems, discuss the thresholds for audio-to-video delay perceptibility that have been accepted in recent documented studies, and introduce a new “in-service” A/V delay measurement and auto-correction method based on digital watermarking of video signals.
Publication Date: 2001-11-01
DOI: 10.5594/M00964
Link: https://doi.org/10.5594/M00964
Author(s): Tom Tucker
Dan Baker
Copyright: © 2001 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1. Kutter M. Martin J. , “Information Retrieval in Digital Watermarking,” IEEE Communications Magazine , Vol. 39 , No. 8 , pp. 110 – 116 , August 2001 . EXTERNAL
2. “Tektronix AVDC100 User Manual,” 2001 . EXTERNAL

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Tom Tucker and Dan Baker; Monitoring and Control of Audio-to-Video Delay in Broadcast Systems, SMPTE Meetings and Conferences ( November 2001); SMPTE, 2001. Available at https://doi.org/10.5594/M00964

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Tom Tucker and Dan Baker; Monitoring and Control of Audio-to-Video Delay in Broadcast Systems, SMPTE Meetings and Conferences ( November 2001); SMPTE, 2001. Available at https://doi.org/10.5594/M00964

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<span class="citation">Tom Tucker and Dan Baker; <cite>Monitoring and Control of Audio-to-Video Delay in Broadcast Systems</cite>, SMPTE Meetings and Conferences ( November 2001); SMPTE, 2001. Available at <a href="https://doi.org/10.5594/M00964" target="_blank" rel="noopener">https://doi.org/10.5594/M00964</a></span>

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Tom Tucker and Dan Baker; Monitoring and Control of Audio-to-Video Delay in Broadcast Systems, SMPTE Meetings and Conferences ( November 2001); SMPTE, 2001
doi: 10.5594/M00964
url: https://doi.org/10.5594/M00964

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<li>
Tom Tucker and Dan Baker; <cite id="bib-10-5594-m00964">Monitoring and Control of Audio-to-Video Delay in Broadcast Systems</cite>, SMPTE Meetings and Conferences ( November 2001); SMPTE, 2001
<span class="doi">10.5594/M00964</span>
</li>