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SMPTE Meetings and Conferences ( July 2015)
[ACTIVE]

Ungluing Audio and Video - How Audio over IP Enables the Future

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Conference Paper
Content Type
Original Research
Volume
2015, No. 07, pp. 1–6
Abstract
After decades of work to successfully carry audio and video over the same serial digital interface (SDI), arguably the time has come to split them apart again. Audio embedding and de-embedding was never perfect and remains limited. Carriage of metadata, which will become more essential with new services, is currently inaccurate and complex. Unbelievably, lip sync issues are worse than ever before. Further, channel based audio is heading for replacement by carriage of the objects that make up the channels. This enables flexibility and enhanced consumer experiences for broadcast and OTT services. SDI is, at heart, a video format and it cannot support the future of audio. Alarmingly, the future is ringing the front bell today. AES67, Livewire+ and related standards offer a path to making all of this work – including lip sync! AES and SMPTE are working together, and the results will enable the sub-sample accurate linking of Audio over IP (which has existed in radio for over a decade and is growing in TV) and video, all without requiring it to be glued together until the very end.
Publication Date
2015-07-14
DOI
10.5594/M001619
ISBN
Print: 978-1-61482-955-3
Link
https://doi.org/10.5594/M001619
Author(s)
Ken TankelTV Processing, Linear Acoustic, Telos Alliance, 1241 Superior Avenue E, Cleveland, OH 44114
Copyright
© 2015 Society of Motion Picture and Television Engineers, Inc.

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Ken Tankel; Ungluing Audio and Video - How Audio over IP Enables the Future, SMPTE Meetings and Conferences ( July 2015); SMPTE, 2015, ISBN: 978-1-61482-955-3. Available at https://doi.org/10.5594/M001619
Snippet:
Ken Tankel; Ungluing Audio and Video - How Audio over IP Enables the Future, SMPTE Meetings and Conferences ( July 2015); SMPTE, 2015, ISBN: 978-1-61482-955-3. Available at https://doi.org/10.5594/M001619

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Preview:
Ken Tankel; Ungluing Audio and Video - How Audio over IP Enables the Future, SMPTE Meetings and Conferences ( July 2015); SMPTE, 2015, ISBN: 978-1-61482-955-3. Available at https://doi.org/10.5594/M001619
Snippet:
<span class="citation">Ken Tankel; <cite>Ungluing Audio and Video - How Audio over IP Enables the Future</cite>, SMPTE Meetings and Conferences ( July 2015); SMPTE, 2015, ISBN: 978-1-61482-955-3. Available at <a href="https://doi.org/10.5594/M001619" target="_blank" rel="noopener">https://doi.org/10.5594/M001619</a></span>

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Preview:
Ken Tankel; Ungluing Audio and Video - How Audio over IP Enables the Future, SMPTE Meetings and Conferences ( July 2015); SMPTE, 2015, ISBN: 978-1-61482-955-3
doi: 10.5594/M001619
url: https://doi.org/10.5594/M001619
Snippet:
<li>
Ken Tankel; <cite id="bib-10-5594-m001619">Ungluing Audio and Video - How Audio over IP Enables the Future</cite>, SMPTE Meetings and Conferences ( July 2015); SMPTE, 2015, ISBN: 978-1-61482-955-3
<span class="doi">10.5594/M001619</span>
</li>