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Activity Forums Adobe Premiere Pro Sub frame audio slipping not sticking

  • Sub frame audio slipping not sticking

    Posted by Mike Kelland on October 19, 2016 at 9:38 pm

    In Pr Pro CC 2015.4 I enable Audio Time Units, zoom in and slip the audio by a subframe amount to fix phasing between mic channels, back-timing music precisely etc.

    I turn off Audio Time Units and continue editing. But as soon as the audio that was altered is nudged/moved, the sub frame slip reverts to the nearest frame, usually back to how it was.

    This happens on three separate Pr Pro CC systems here, running different versions of Pr. Can anyone else try it and confirm I’m not going mad (or doing it incorrectly)? Happens with linked audio, music etc.

    It used to work fine in the past.

    Thanks,

    Mike

    Jonathan Ramsey replied 9 years, 5 months ago 3 Members · 5 Replies
  • 5 Replies
  • Mike Kelland

    October 20, 2016 at 8:41 pm

    Hi Dave,

    Not after a lesson in best practice with audio file sample rates etc – this isn’t my first rodeo. Yes I am ‘picky’, nearest frame for audio is not close enough – which is why Pr allows Audio Time Units in the first place!

    I’m wanting to know if the feature of Premiere Pro CC being able to slip audio by sub frame amounts is broken or not.

    Cheers,

    Mike

  • Jeff Pulera

    October 21, 2016 at 2:23 pm

    Hi Mike,

    I had been having the same issue some time ago with CS6. I want to say that my fix was to return to frames display, then put a razor cut near beginning of the audio clip to “lock it in”. If memory serves. Think about it – if you nudge the end of the audio clip to what is basically a position between two frames, then return to frame display, how does Premiere show where the end of the clip is, since it falls between the frames? Not saying that behavior is correct to start with, but I believe that was my fix.

    Thanks

    Jeff Pulera
    Safe Harbor Computers

  • Mike Kelland

    October 21, 2016 at 7:39 pm

    Thanks Jeff, will try putting a razor blade on to see if it locks it in – but, to be clear, I’m trying to slip the audio a sub-frame amount, not nudge a sub-frame amount.
    It lets you slip the audio (if it’s a sync clip it will display -0.4350 on the clip for example, if you’ve slipped it that much in that direction), you return to frame view and it’s still slipped by the amount you want. But when you move that clip by any amount of frames on the timeline, the sound and it’s waveform reverts back to where it was before you’ve slipped it.

    My workaround in the meantime is right click and send to Audition which kind of locks it in. Creates more audio files though…

    Cheers,

    Mike

  • Jeff Pulera

    October 21, 2016 at 7:55 pm

    Hi Mike,

    I don’t know the difference between slipping and nudging. However, my audio clips are always unlinked from video before I try moving them. After reading your post, I tried switching to Audio Units and then “moving” the audio of a linked clip, and sure enough the counter seems to indicate I have moved (offset) the audio, so maybe that is what you are referring to?

    Try unlinking if you haven’t and see if that helps

    Thanks

    Jeff Pulera
    Safe Harbor Computers

  • Jonathan Ramsey

    November 7, 2016 at 5:14 pm

    Not sure if this is the same thing, but I’m moving audio clips up and down to different tracks. For two of my sequences in a project, this worked fine. Now, some clips I move then show the audio (unlinked) as out of sync by very small (though inconsistent) sub levels (see image below).

    If I undo, they remain out of sync. I don’t understand why this is happening nor how to fix it. I haven’t found much rhyme or reason to it, although I have had slightly better luck moving only one clip at a time (up or down tracks) rather than whipping a group of them together and moving them all. Also, in moving them, I’m using a keystroke so it’s not “slight of hand” error. I’m sure it’s user error but I’m not a pro audio editor by any means.

    Thoughts?

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