BT.709) Simultaneous Workflows at the CBC

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: SMPTE Mot. Imag. J
Volume: 131, No. 1, pp. 23–30
Abstract: As video content evolves from traditional television into more complex and varied forms of media, more and more of our content creators capture in higher resolution, frame rate, and dynamic range instead of traditional high-definition (HD) to give themselves creative latitude in post-production. Generating ultrahigh-definition (UHD) content comes with a lot of challenges for a traditional HD infrastructure. For example, which version(s) should be archived: The source, ungraded asset, the HD version, the social media version(s) like square and vertical, or a combination of these? If content is shot in UHD, for example, and then cropped in post, should the final, cropped HD product be the one we archive, or the UHD original? If we archive the original, how do we store information about the cropping parameters? If color and dynamic range are wider in the source than the final render (e.g., SLog3/SGamut3), which 3D look-up table is the right one to use? Should 3D LUT also be archived with the source asset? How do we link a specific asset to a specific 3D LUT for posterity? Also, public broadcasters have legal obligations with regard to content preservation, but these do not necessarily specify the format(s) for archival purposes, so we need to balance obligations, cost, and future value of assets in the process of designing such workflows.
Publication Date: 2022-01-01
DOI: 10.5594/JMI.2021.3130943
ISSN: Print: 1545-0279 | Electronic: 2160-2492
Link: https://doi.org/10.5594/JMI.2021.3130943
Author(s): Pierre Hugues Routhier
bio
Pierre Hugues Routhier is a former aerospace engineer and a specialist in advanced imaging technologies that provides training to studios, manufacturers, and broadcasters worldwide. He has developed innovative solutions and workflows for studios and post-production facilities in all fields of advanced imaging: ultrahigh-resolution, high frame rate, VR/AR, HDR, and others. He is credited with more than a dozen patents related to advanced imaging and has been published in several industry papers. His latest book, High Dynamic Range for Television and Motion Pictures: A Digital Troublemaker Guide, has quickly become an industry reference on HDR for broadcast and motion pictures.
Keyword(s): 3D LUT, 4K, Broadcast, HDR, Post Production, SLog3, Ultra High Definition
Copyright: © 2022 SMPTE

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Pierre Hugues Routhier; UHD (2160/HDR) and HD (1080/BT.709) Simultaneous Workflows at the CBC, SMPTE Motion Imaging Journal ( Volume: 131, Issue: 1, 2022); SMPTE, 2022. Available at https://doi.org/10.5594/JMI.2021.3130943

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Pierre Hugues Routhier; UHD (2160/HDR) and HD (1080/BT.709) Simultaneous Workflows at the CBC, SMPTE Motion Imaging Journal ( Volume: 131, Issue: 1, 2022); SMPTE, 2022. Available at https://doi.org/10.5594/JMI.2021.3130943

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<span class="citation">Pierre Hugues Routhier; <cite>UHD (2160/HDR) and HD (1080/BT.709) Simultaneous Workflows at the CBC</cite>, SMPTE Motion Imaging Journal ( Volume: 131, Issue: 1, 2022); SMPTE, 2022. Available at <a href="https://doi.org/10.5594/JMI.2021.3130943" target="_blank" rel="noopener">https://doi.org/10.5594/JMI.2021.3130943</a></span>

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Pierre Hugues Routhier; UHD (2160/HDR) and HD (1080/BT.709) Simultaneous Workflows at the CBC, SMPTE Motion Imaging Journal ( Volume: 131, Issue: 1, 2022); SMPTE, 2022
doi: 10.5594/JMI.2021.3130943
url: https://doi.org/10.5594/JMI.2021.3130943

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Pierre Hugues Routhier; <cite id="bib-10-5594-jmi-2021-3130943">UHD (2160/HDR) and HD (1080/BT.709) Simultaneous Workflows at the CBC</cite>, SMPTE Motion Imaging Journal ( Volume: 131, Issue: 1, 2022); SMPTE, 2022
<span class="doi">10.5594/JMI.2021.3130943</span>
</li>