Skip to main content
Elena Rue
Elena Rue
Participant
March 5, 2018
Answered

Projection set up for rec 709, gamma 2.2

  • March 5, 2018
  • 2 replies
  • 6834 views

Hello!

I have completed a film and was asked by a film festival to have the projection set up for rec 709, gamma 2.2. I don't really know what these are and I'm wondering how I can meet those specs now that the film is completed. Do I need to color correct again? I saw on some other threads that there are LUTs I could add, but there seem to be a few different ones in Premiere that have rec 709 and I'm not sure which one to use.

Any guidance is welcome!

    This topic has been closed for replies.
    Correct answer R Neil Haugen

    PrPro exports to most codecs in Rec709 sRGB and gamma 2.2 or 2.4. So for any codec that meets that specs naturally in standard use, that's what the file exported will be.

    Which codecs/options do they want for the deliverable?

    Neil

    2 replies

    E
    excited_Genie16B8
    Legend
    March 6, 2018

    Having worked a bit in Resolve, one thing I notice is that PP offers no method to control the color space and gamma.  You get what Adobe gives you and if you need something else, you're out of luck.

    To the best of my knowledge, Premiere Pro operates at Rec 709 with a 2.4 gamma and offers no way to change that.  That's slightly different than what you need, and may well be visible on screen.

    By contrast:  Convert log to rec.709 automatically with RCM | DaVinci Resolve Tutorial - YouTube

    R Neil Haugen
    R Neil Haugen
    Legend
    March 6, 2018

    Correct about the output level for PrPro ... but especially as this is for film festival use, in general a 2.4 gamma is usually considered a better option. 2.2 is mostly used for web & "bright room" computer monitors, 2.4 is mostly the broadcast standard for good quality TV and some film usage, and 2.6 for 'dark room only' use, definitely for film theatre work.

    Which makes 2.4 actually a good compromise, as it can work in all situations. It might be a shade darker in the mids in than than other projects at that festival ... but might not be.

    Neil

    Everyone's mileage always varies ...
    E
    excited_Genie16B8
    Legend
    March 7, 2018

    Something to be aware of, at least.

      R Neil Haugen
      R Neil HaugenCorrect answer
      Legend
      March 5, 2018

      PrPro exports to most codecs in Rec709 sRGB and gamma 2.2 or 2.4. So for any codec that meets that specs naturally in standard use, that's what the file exported will be.

      Which codecs/options do they want for the deliverable?

      Neil

      Everyone's mileage always varies ...
      Elena Rue
      Elena RueAuthor
      Participant
      March 6, 2018

      That's good to hear! Here are the required specs:

      Apple ProRes 422 technical specifications:

      Codec Apple ProRes 422 (only)

      1920x1080 container

      Audio should be formatted for 2 channel output Lt Rt or stereo

      Projection set up for rec 709, gamma 2.2

      So do you think if I just do apple pro res, it will meet with project requirements?

      Thank you so much!

      R Neil Haugen
      R Neil Haugen
      Legend
      March 6, 2018

      It should. That's just rock-standard Rec709.

      Neil

      Everyone's mileage always varies ...
      Terms & ConditionsAccessibility statement
      Using the community Terms of use Privacy Cookie preferences Do not sell or share my personal information ad choicesAdChoices