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  • HD formats, frame sizes and timecodes demystified…

    Posted by Greg Nosaty on August 5, 2009 at 11:24 pm

    Has anybody on the list either written or come across a “definitive guide” to demystify HD formats, frame sizes and timecodes? A document that would explain things like why DVCPro 720 is 960 x720 (anamorphic) and not 1280 X 720 like the others, or why FCP ingests 24p media as 23.98 if it is a non-drop format…

    cheers,
    Greg Nosaty

    Cinemontage Productions Inc

    Neil Sadwelkar replied 16 years, 9 months ago 6 Members · 14 Replies
  • 14 Replies
  • Tom Wolsky

    August 5, 2009 at 11:32 pm

    Panasonic uses 960 as a way of compressing the data. The video frame rate for 24p is 23.976. Final Cut calls it 23.98, but it is actually 23.976. Drop frame and non-drop frame has nothing to do with the actual frame rate. It is only how the frames are counted.

    All the best,

    Tom

    Class on Demand DVDs “Complete Training for FCP6,” “Basic Training for FCS2” and “Final Cut Express Made Easy”
    Author: “Final Cut Pro 5 Editing Essentials” and “Final Cut Express 4 Editing Workshop”

  • Steve Eisen

    August 5, 2009 at 11:32 pm

    look at Wikipedia to begin with. Adamwilt.com

    Steve Eisen
    Eisen Video Productions
    Board of Directors
    Chicago Final Cut Pro Users Group

  • Aaron Neitz

    August 5, 2009 at 11:34 pm

    nothing i know of. just years of experience.

    1)Because Panasonic is cheating HD resolution by using an anamorphic trick. It really is 960 pixels – you gotta strech it out to fit 1280.

    2)98% of 24p media is actually 23.976 media, and 98% of workflows should conform to that. DF and NDF are simply counting methods. They don’t affect the amount of frames

  • Shane Ross

    August 5, 2009 at 11:47 pm

    Yes…Phil Hodgetts has.

    https://www.proappstips.com/HDSurvivalHandbook/

    HD Survival Handbook.

    Shane

    GETTING ORGANIZED WITH FINAL CUT PRO DVD…don’t miss it.
    Read my blog, Little Frog in High Def

  • Shane Ross

    August 5, 2009 at 11:53 pm

    [Aaron Neitz] “1)Because Panasonic is cheating HD resolution by using an anamorphic trick. It really is 960 pixels – you gotta strech it out to fit 1280. “

    MOST formats “cheat” their resolution. HDV is 1440×1080…not full 1920×1080. JVC HDV is 960×720. A majority of HD tape formats are anamorphic. That is how they compress the footage to save space.

    [Aaron Neitz] “DF and NDF are simply counting methods. They don’t affect the amount of frames “

    True, but they sure mess with getting proper show times…ACTUAL length of a show. NDF isn’t time accurate, DF is.

    Shane

    GETTING ORGANIZED WITH FINAL CUT PRO DVD…don’t miss it.
    Read my blog, Little Frog in High Def

  • Tom Wolsky

    August 6, 2009 at 12:02 am

    “JVC HDV is 960×720”

    Unless this has changed JVC shoots full 1280×720. I think only DVCPRO HD shoots 960×720. Who knows, there’s going to be another format next week anyway.

    All the best,

    Tom

    Class on Demand DVDs “Complete Training for FCP6,” “Basic Training for FCS2” and “Final Cut Express Made Easy”
    Author: “Final Cut Pro 5 Editing Essentials” and “Final Cut Express 4 Editing Workshop”

  • Shane Ross

    August 6, 2009 at 12:09 am

    There I go, talking about something I THOUGHT I knew about, but didn’t.

    I guess they save space by compressing to that horrid GOP compression then. Ugh.

    Shane

    GETTING ORGANIZED WITH FINAL CUT PRO DVD…don’t miss it.
    Read my blog, Little Frog in High Def

  • Greg Nosaty

    August 6, 2009 at 12:29 am

    Shane, thanks for the link to Phil Hodgetts.

    Here is graphics questions to go with the anamorphic HD formats. Say you were going to make graphics for a project shot in HDV would you work in 1440×1080 rectangular pixels or 1920×1080 square pixels? Or a DVCPro 720p project would you work in 960 x 720 rectangular pixels or 1080 x 720 square pixels? Presuming we are importing and editing in FCP.

    cheers,
    Greg Nosaty

    Cinemontage Productions Inc

  • Tom Wolsky

    August 6, 2009 at 12:38 am

    Long GOP MPEG-2 that’s the one.

    All the best,

    Tom

    Class on Demand DVDs “Complete Training for FCP6,” “Basic Training for FCS2” and “Final Cut Express Made Easy”
    Author: “Final Cut Pro 5 Editing Essentials” and “Final Cut Express 4 Editing Workshop”

  • Greg Nosaty

    August 6, 2009 at 12:45 am

    sorry I meant 1280 x 720

    cheers,
    Greg Nosaty

    Cinemontage Productions Inc

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