02.11.2018 | Ausgabe 11/2018

Management of High Dynamic Range and Wide Color Gamut in Standards Conversion Applications

Quelle : Maksym Yemelyanov (fotolia)

Since the earliest days of TV broadcasting, global viewers have wanted to watch programs from other countries — everything from live breaking news and international sporting events to entertainment and cultural programming. However, simple international program exchange has never been possible because of huge differences in TV standards around the world. Similarly, transferring  movies to formats suitable for home-TV viewing inherently requires both format and frame rate conversion for audiences in all regions.

Standards converters solve these problems by changing the format and frame rate of the content to suit  the required display specification. However, as technologyadvances and new formats and new production  tools become available, more complications arise in the conversion workflow.

Whilst high dynamic range (HDR) and wide color gamut (WGC) increase the artistic choices available to content producers, converting that content for audiences watching on standard dynamic range (SDR)-only or narrower-color-gamut displays can be problematic. Fortunately, a number of standards conversion manufacturers are starting to include tools supporting HDR and WCG in their products, but these tools must be used with care, as there aremany pitfalls. 

This article discusses conversion of content mastered with HDR and WGC, highlights some of the possible problems, and suggests solutions.


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