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Activity Forums DaVinci Resolve Why is resolve in NTSC 720×486?

  • Why is resolve in NTSC 720×486?

    Posted by Pablo Nóbrega on August 30, 2011 at 12:14 pm

    I’ve tried to grade a interlaced 720×480 NTSC…. if I put this resolution it gives me 480P. And the fields are always upper! Is that true I cant work in resolve in a interlaced NTSC material?
    Is 720×486 anywhere Ntsc resolution? Doubts, doubts, doubts….

    Sascha Haber replied 14 years, 8 months ago 4 Members · 3 Replies
  • 3 Replies
  • Robert Houllahan

    August 30, 2011 at 9:37 pm

    Did you click on the button that says “enable Interlacing” in the Config panel?

    -Rob-

    Robert Houllahan
    Director / Colorist
    Cinelab Inc.
    http://www.cinelab.com

    MAHC-PRO 6-Core 3X GTX285 20Tb SAS Wave Panel Panny 11UK SDI Plasma.

  • Glenn Sakatch

    August 31, 2011 at 10:22 pm

    Typical Broadcast NTSC SD is 720 x 486.
    If you were to offline in Avid, you would be working at 720 x 486.
    Basic NTSC on Final cut is the same. You can create a 720 x 480 sequence in final cut that is more
    “DV” file size. I’m sure Resolve is simply creating a project based on broadcast specs. Not sure if you can change to a custom size or not.

    Glenn

  • Sascha Haber

    September 2, 2011 at 9:37 am

    Well, depends on the footage media.
    DPX files will work fine, you can set the project the way you want it.
    But..The Decklink cards itself cant handle the output then.
    If you try to use a DV-NTSC quicktime, the real fun starts by Resolve interpreting that as 486 instead of 480.

    I am in contact with BM and they are working on the problem they said.

    The goal is, to use the same footage I can capture with the Decklink card in Resolve and have a proper video IO and also a field aware scaling and repositioning, like Fusion or Nuke would do by internally deinterlaving and reinterleaving on output.

    For now, its a hell of a roundtrip from QT to DPX to QT.
    And even then you need to use another software because the majority of Resolve movies files wont play in Media Express.

    A slice of color…

    DaVinci 8.0.1 OSX 10.7
    MacPro 5.1 2×2,4 24GB
    RAID0 8TB eSata 6TB
    GTX 470 / GT 120
    Extreme 3D+ WAVE

    http://www.saschahaber.com

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