Ari to ACES EXR's misunderstanding

[walter.arrighetti]

You can also find a review of all ACES-based colour spaces here:

Review on ACES colour spaces

Hi guys. I often listen to people comparing ACES to just being a colour space. Well. Apart from the fact that ACES specifications span a total of 5 colour-space definitions, it’s important to stress the fact that ACES is actually a framework, or a series of guidelines, that promotes an as-much-as vendor-neutral as possible interoperability, by defining common workpractices where they are needed the most. And that involves colour spaces as well. The reason why these spaces are 5 is that real-wo…

p.s.: It’s not mandatory to pre-emptively convert footage files from their “raw” formats (in your case ARRIRAW) to ACES (OpenEXR as per SMPTE ST2065-4 specs) prior to using an all-ACES workflow – In fact, sometimes this is a cumbersome passage that you only do for additional reasons, but not a choice picked up by itself.