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  • Posted by Todd Gipstein on September 2, 2005 at 3:40 pm

    I have created a long (almost 3 minute) credit roll for a show in FCP4.5 (HD). As the letters scroll up the screen, they seem to wobble a bit. I am using a basic Arial font, various sizes (22, 24, 36 points). The scroll is at a fairly leisurely pace. This is a 9×16 widescreen format show. I used the generator in the Effects panel of teh Browser to create the credits. The rest of the show is rock-solid. Any ideas why the text is not steady?

    Thanks, todd

    Hal Beery replied 20 years, 8 months ago 6 Members · 6 Replies
  • 6 Replies
  • Oliver Peters

    September 2, 2005 at 4:01 pm

    Are you seeing this on a video monitor – not the computer display? Is is rendered?

    Sincerely,
    Oliver

    Oliver Peters
    Post-Production & Interactive Media
    Orlando, FL
    http://www.oliverpeters.com

  • Chris Poisson

    September 2, 2005 at 4:16 pm

    Todd,

    Try using the CHV text collection, it’s credit roll is really great.

  • Thaxter Clavemarlton

    September 2, 2005 at 7:30 pm

    [Todd Gipstein] “The scroll is at a fairly leisurely pace.”

    The “pace” is exactly the problem.

    There are only a very FEW roll-speeds that are “cleaner” in video.

    The scan-lines interact with the high-res. letters and cause visible “dancing” around the edges.
    (In TV stations, stand-alone Character Generators have SET speeds that assure optimum roll-speed-to-quality factors.)

    Adding a very slight amount of Gaussian Blur to the titles can HELP, but changing the SPEED (even by a tiny amount) can make or break the quality of a credit-roll.

    As was suggested, inexpensive 3rd-party titlers (like the CHV text) can help make the roll-speed issue much less a problem.

  • Todd Gipstein

    September 2, 2005 at 9:33 pm

    I did the exact same roll before, but it was a few seconds different. So maybe if I change the spacing or length just a bit, it will hit that sweet spot and wobble less.

    I am seeing this when I view it on a TV or projected.

    I may try the CHV filters, as I have had goo dluck with them.

    Thanks

  • David Bogie

    September 3, 2005 at 3:40 pm

    The best speeds are all whole numbers of pixels/lines per second. Any ratio that returns an odd decimal or fraction will create pixels that don’t exist between scan lines. These tend to flicker in and out of existence at 1/60th second between lines. You’d think that Apple would have dealt with this universally perplexing issue automatically by now; it’s bad program design. Bad programming, too. Unlike Adobe’s After Effects, Apple’s subpixel rendering totally sucks.

    You can also import a tall and narrow, rasterized still image of your text and animate the position of the still. This allows you to change the speed. if necessary, or to pause. You can apply motion blur and vertical Gaussian in discrete amounts. Drop shadows and other subtle effects tremendously enhance credit rolls but they’re not appropriate in all cases.

    bogiesan

    This is my standard sigfile so do not take it personally: “For crying out loud, read the freakin’ manual.”

  • Hal Beery

    September 4, 2005 at 8:32 am

    I bent twenty six ways from hell and even chv didn’t help with scrolling credits. the only thing that did was to eliminate scrolling credits from the show. Does after effects work? any presets or suggestions?
    tnx
    HalB

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