HDR for All: How to manage HDR content production and distribution at any stage of the workflow?
The challenge of the HDR management through the video processing chain
Although HDR productions and transmissions are increasingly common, there are still many questions about how to manage the HDR signal throughout the video processing chain, particularly when SDR content or equipment (HD or UHD) must coexist with HDR content or equipment (UHD). This is why different SDR-to-HDR conversion solutions (and vice versa) are now available on the market and can be used at different steps of the video pipeline (CCU output of a camera, video mixer, before or after a router or after the play-out). Most of these solutions operate in real-time with more or less latency, which allows them to be used for live productions.
Why static conversions is a limited answer?
Static LUTs use a fixed conversion scheme. They are suitable when the video content type is relatively static, and particularly when the content to be converted does not undergo any large changes in brightness. Such tools make it possible to achieve an acceptable result in most cases. However, they may generate a result that is far from optimal when light conditions vary during a production or when a given frame incorporates both dark areas and very bright ones. Additionally, static LUTs are not able to fully take advantage of the extended dynamic range and contrast offered by HDR.
b<>com is the first organization to have introduced an adaptive, dynamic real-time conversion solution onto the market which is the only way to offer all the benefits of real-time dynamic and adaptive conversion techniques, without any need for manual adjustment at the highest quality ever reached. In the beginning of 2016, b<>com addressed the issue of tone expansion (SDR to HDR), followed by the more complex issue of tone mapping (HDR to SDR).
These technologies won the NABSHOW INNOVATION AWARD in 2017 and the NABSHOW PRODUCT OF THE YEAR in 2019. Broadcast professionals including live production solution providers and broadcast network infrastructure specialists as well as video market leaders have chosen to work with b<>com solution already.
b<>com *Adaptive HDR Converter*
b<>com *Adaptive HDR Converter* offers all the benefits of real-time frame-by-frame adaptive conversion techniques, without any need for manual adjustment. Based on an intelligent algorithm, this technology guarantees an optimal conversion regardless of the video content. Despite the adaptive conversion, it does not require the use of metadata and can be used for Live production as well as for legacy content.
b<>com *Adaptive HDR Converter* is available in the form of a software library or IP compatible with electronic components such as FPGAs. It is versatile and is a small footprint solution allowing a seamless integration with partners’ products from playouts and encoding tools to chipsets.
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