EBU tests HDR pipeline for producers

The European Broadcasting Union (EBU) plans to recommend the best ways to process HDR (High Dynamic Range) images as the technology grows in popularity, while R&S CLIPSTER and R&S VENICE-S offer industry-leading solutions for handling HDR.

EBU tests HDR pipeline for producers
EBU tests HDR pipeline for producers

The European Broadcasting Union (EBU) plans to recommend the best ways to process HDR (High Dynamic Range) images as the technology grows in popularity, while R&S CLIPSTER and R&S VENICE-S offer industry-leading solutions for handling HDR.

Why is High Dynamic Range imaging increasing in popularity?

HDR material is rapidly gaining in popularity because it can deliver appreciable improvements in picture quality – but, as producers are learning, HDR also needs very careful handling in order to maintain integrity and ensure the desired quality of the end-result.

As HDR workflows are relatively young and post-production solutions have new HDR capabilities added to them, it is becoming both more important and more complex to choose the right kind of parameters and processing. And of course, critical factors such as the proper HDR format, conversion method and signal-range also need to be supported by the post-production solution.

More clarity for producers

Earlier this year, the EBU started an activity to analyse HDR image handling capabilities in a number of popular video editing software packages and HDR conversion units. The final results will be published later this year, but some preliminary conclusions can be drawn already.

First of all, the amount of new settings, and the options for each new setting, are clearly creating confusion among users and reducing confidence about the proper approach to a production.

Secondly, there is a lack of documentation on certain parameters and how they are implemented. This can easily lead to incorrect assumptions about the workflow and, with that, to degraded image quality.

How is Rohde & Schwarz handling high dynamic range systems?

R&S VENICE-S

R&S VENICE-S server system supports various communications protocols such as VDCP (serial and TCP/IP), FIMS, MOS and more, allowing its integration into any media value chain. It minimizes the need for transcoding by supporting a variety of software-based codecs. Also supported are one UHD p60 channel (bidirectional) and four HD p60 channels (bidirectional). R&S VENIC-S also handles HDR material with ease.

R&S CLIPSTER

The R&S CLIPSTER is a complete mastering solution capable of generating IMF packages, digital cinema packages (DCP) and AS11 and AS02 packages. Supporting real-time processing of images up to 4K 120p as well as a wide variety of media file formats, the R&S CLIPSTER provides post houses with a tool that provides DCI and IMF mastering, colour format conversion to SDR and HDR and comprehensive codec support.

Posted by Chris Dickinson, technology journalist and editor of the Always On blog. May 22, 2019.

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