The steps to conform standard HLG BT.2100 content into Adobe Premiere can be found in Adobe’s online documentation. With that said, let’s take a look at how to import and normalize HLG content across the different applications. However, none of these applications support normalization of HLG content recorded using the HLG BT.2408 recommendations of exposing at 38% IRE, nor do they support the custom Sony HLG profiles.

Importing HLG content into these respective applications is fairly straightforward if one follows the correct procedures. Assimilate Scratch, Final Cut Pro, Adobe Premiere and DaVinci Resolve all support the import and export of HLG content. Some Applications support the HLG BT.2100 profile natively and some exhibit problematic behavior. When it comes to importing HLG media across Video Editing and Visual Effects applications, the end-user experience can be a hit and miss. When we import footage recorded from a camera, this is almost always Scene Referred. Scene referred content on the other hand is as encoded directly from a camera. The key differentiator is that in a Display Referred context, HLG normally includes an opto-optical transfer function (OOTF) which transforms Scene Referred content into Display Referred content, such as an HLG 1000 NIT output from an HLG recording.

Further Reading: Recording & Editing with HLGīefore we proceed, it must be reiterated that there are two aspects of Hybrid Log Gamma – a Scene Referred aspect which is encoded directly from a Camera and a Display Referred aspect which is relevant for displaying on a TV/Monitor.

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