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Activity Forums Adobe Premiere Pro Anyone knows what causes this??

  • Anyone knows what causes this??

    Posted by Joseph M. morgan on May 1, 2006 at 1:08 pm

    Sometimes, when I stretch a clip so it plays in slow-motion, Premiere plays it back in jerks and stops. That is, instead of a smooth slow motion, it will play as if it has a velocity curve like a bouncing ball.

    Interestingly enough, this doesn’t happen all of the time, and I haven’t figured out the trick. I’ve played with the combinations of field options, and found that checking “Always deinterlace when speed is below 100%” ( which is the default it seems ) is generally the best option.

    Are there speeds at which slow motion works better than others? Is there some rule of thumb I should go by when stretching a clip so I can guarantee a smooth playback?

    Joe

    Labrisher replied 17 years, 11 months ago 3 Members · 3 Replies
  • 3 Replies
  • Tim Kurkoski

    May 1, 2006 at 6:45 pm

    Are you rendering the timeline? It could just be poor real-time playback. It should be smooth (or at least as smooth as your chosen stretched speed allows; 5 fps is not smooth) once rendered.

  • Joseph M. morgan

    May 2, 2006 at 1:02 pm

    Yes, even rendered it does it. I supposed I’ll have to get the time to do a scientific study of it, say, stretching at 95% of orginal, then 90%, then 85%, etc., to see if there is some math to it.

  • Labrisher

    May 2, 2006 at 11:42 pm

    https://forums.creativecow.net/cgi-bin/new_read_post.cgi?forumid=3&postid=60442&archive=T

    Here’s a discussion from 2002 which is to say I don’t know whether it’s relevant to PPro.

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