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  • ASC CDL in Avid

  • Carl Skaff

    November 11, 2008 at 9:36 am

    Hi all Avid users.
    I’m a Colorist working on “Spirit/daVinci 2K” and “Resolve RT”… I’m trying to find a way to get grades from an Avid Media Composer through an ACS CDL into my system.

    I have found how to export an EDL containing the CDL-notes, But I can’t find what colorcorectin tool to use to get ASC CDL to work.
    If I use the normal color tool, nothing shows up in the ASC-note.

    Anyone got a clue?

    /carl

  • Michael Phillips

    November 11, 2008 at 6:44 pm

    The ASC values are only passed through as per the v1 EDL specification as defined by the ASC. This reflects the look that is baked into the dailies as viewed in the offline. Changes in color correction do to apply as an offset to those values in the EDL. Although planned, it is not on an engineering roadmap at this time.

    The EDL gives the DI process a starting point as seen in the offline from the original dailies.

    Michael

    Michael Phillips

  • Carl Skaff

    November 11, 2008 at 7:04 pm

    Changes in color correction do to apply as an offset to those values in the EDL. Although planned, it is not on an engineering roadmap at this time.

    What does that mean?

    Do you mean that the CDL is ONLY to take the onelight-grade-settings from the first telecine-x’fer and apply that to the DI (final grade)?

    But if we are shooting on Sony F23 and does the offline from camera original tapes (un graded) and the offline editor creates a look in offline… shouldn’t that be able to be exported as a CDL and have that as a starting point in the DI?

    If its not, its a bit weird. Cus most onelights are done in a “cheap” telecine and there is no way to take the settings from a Spirit Classic together with a daVinci 2K+ and copy that settings accros to a ArriScan-scanned DPX graded in a Resolve.
    (Unless you would to calibrate and “lock” the telecine to a setting and then create a LUT that makes the ArriScaner look like the Spirit output. )

    /carl

  • Michael Phillips

    November 11, 2008 at 7:56 pm

    https://www.avid.com/resources/whitepapers/avidasc_wp_sec.pdf

    Correct – we only pass through the ASC SDL vaues created by a color system that can translate video type values into slope, power, etc. which is what is covered in the v1 spec. The idea is that over time we would provide an interface that linited the color correction to what is described in the ASC CDL to be able to pass that information along.

    Michael

    Michael Phillips

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