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SMPTE Meetings and Conferences ( October 2018)
[ACTIVE]

Scene-light conversions: the key to enabling live HDR production

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Conference Paper
Content Type
Original Research
Volume
2018, No. 10, pp. 1–14
Abstract
Live HDR television production has been slow to gain acceptance because it has often been found to compromise the quality of a standard dynamic range (SDR) BT.709 signal derived from the HDR. Whilst parallel SDR/HDR production workflows are possible, they greatly increase the expense and complexity of a production. This paper describes how “scene-light” format conversions, as opposed to the more usual “display-light” conversions, allow SDR and HDR cameras to be intermixed in an HDR production, and an SDR BT.709 output to be derived from an Hybrid Log-Gamma (HLG) HDR production workflow without compromising the quality of the SDR BT.709 signal. — The paper illustrates how these technologies have been deployed in four major international events over the summer of 2018; thereby proving their suitability for live HDR production and paving the way for simpler live HDR production workflows in the future.
Publication Date
2018-10-22
DOI
10.5594/M001822
ISBN
Print: 978-1-61482-960-7
Link
https://doi.org/10.5594/M001822
Author(s)
Andrew CottonBritish Broadcasting Corporation, United Kingdom of Great Britain and Northern Ireland
Simon ThompsonBritish Broadcasting Corporation, United Kingdom of Great Britain and Northern Ireland
Keyword(s)
HDR, ITU-R BT.2100, HLG, ITU-R BT.709, Scene-referred, ICTCP
Copyright
© 2018 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • Hitting the Mark—A New Color Difference Metric for HDR and WCG Imagery [Active]
  • S. Thompson, “Conversion of Conventional Video for Display on High Dynamic Range Televisions”, presented at the SMPTE 2016 Annual Technical Conference & Exhibition, Hollywood, CA, Oct. 2016. EXTERNAL
  • F. De Jong, D. Driesnack, et. al. ‘Berlin Leichtathletik-EM: Lessons from a Live, HDR, HFR, UHD and Object-based Audio sports event’, Proc. SMPTE Annual Technical Conference 2018, Los Angeles, Oct. 2018 EXTERNAL
  • X-rite ColorChecker Colorimetric Data (PDF), http://xritephoto.com/documents/literature/en/ColorData-1p_EN.pdf EXTERNAL
  • A. Roberts, “Circles of Confusion - the essential television technology reference”, European Broadcasting Union: Geneva, 2009 ISBN 978-2-8399-0574-9 EXTERNAL
  • Tim Borer, “Display of High Dynamic Range Images Under Varying Viewing Conditions”, Proc. SPIE 10396, Applications of Digital Image Processing XL, 103960H, Sept 2017. EXTERNAL
  • EBU Recommendation R103 version 2.0, “Video Signal Tolerance in Digital Television Systems”, June 2016. EXTERNAL
  • Sony “What’s SR-Live for HDR”, https://assets.pro.sony.eu/Web/ngp/pdf/what-is-sr-live-for-hdr.pdf, November 2016 EXTERNAL
  • ITU-R BT.709.6 [Active]
  • R-REC-BT.1886-0 — Recommendation ITU-R BT.1886-0 (03/2011), Reference Electro-Optical Transfer Function for Flat Panel Displays Used in HDTV Studio Production, 2011 EXTERNAL
  • R-REC-BT.2020-1 — Recommendation ITU-R BT.2020-1, Parameter values for ultra-high definition television systems for production and international programme exchange EXTERNAL
  • R-REC-BT.2087-0 — International Telecommunication Union – Radiocommunication (ITU-R), Recommendation BT.2087-0, “Colour conversion from Recommendation ITU-R BT.709 to Recommendation ITU-R BT.2020”, 10/2015. EXTERNAL
  • ITU-R BT.2100-2 [Active]
  • ITU-R BT.2390-10 [Active]
  • R-REC-BT.2408-1 — International Telecommunications Union - Radiocommunication (ITU-R), Recommendation BT.2408-1, “Operational Practices in HDR Television Production,” Apr. 2018. EXTERNAL
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Andrew Cotton and Simon Thompson; Scene-light conversions: the key to enabling live HDR production, SMPTE Meetings and Conferences ( October 2018); SMPTE, 2018, ISBN: 978-1-61482-960-7. Available at https://doi.org/10.5594/M001822
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Andrew Cotton and Simon Thompson; Scene-light conversions: the key to enabling live HDR production, SMPTE Meetings and Conferences ( October 2018); SMPTE, 2018, ISBN: 978-1-61482-960-7. Available at https://doi.org/10.5594/M001822

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Andrew Cotton and Simon Thompson; Scene-light conversions: the key to enabling live HDR production, SMPTE Meetings and Conferences ( October 2018); SMPTE, 2018, ISBN: 978-1-61482-960-7. Available at https://doi.org/10.5594/M001822
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<span class="citation">Andrew Cotton and Simon Thompson; <cite>Scene-light conversions: the key to enabling live HDR production</cite>, SMPTE Meetings and Conferences ( October 2018); SMPTE, 2018, ISBN: 978-1-61482-960-7. Available at <a href="https://doi.org/10.5594/M001822" target="_blank" rel="noopener">https://doi.org/10.5594/M001822</a></span>

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Andrew Cotton and Simon Thompson; Scene-light conversions: the key to enabling live HDR production, SMPTE Meetings and Conferences ( October 2018); SMPTE, 2018, ISBN: 978-1-61482-960-7
doi: 10.5594/M001822
url: https://doi.org/10.5594/M001822
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Andrew Cotton and Simon Thompson; <cite id="bib-10-5594-m001822">Scene-light conversions: the key to enabling live HDR production</cite>, SMPTE Meetings and Conferences ( October 2018); SMPTE, 2018, ISBN: 978-1-61482-960-7
<span class="doi">10.5594/M001822</span>
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