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Activity Forums Adobe After Effects Audio fade different in preview and render!?

  • Audio fade different in preview and render!?

    Posted by Jimmy Brunger on February 1, 2010 at 5:31 pm

    I’ve noticed something very strange in AE (CS4 on Mac) recently…

    Been doing some basic edits in AE as my content is a non-standard pixel size and so not feasible in Premiere…

    Basically when I fade down ones track as another is fading up (essentially a crossfade) hwen I playback in RAM preview or by hitting period key it fades as expected.

    HOWEVER, when rendering out to any movie or audio format and playing that file back the fade is totally different! Where there was a nice smooth fade through before I now have it dip down and then back up again.

    Any thoughts guys?

    Ian Davies replied 13 years, 8 months ago 5 Members · 5 Replies
  • 5 Replies
  • Jimmy Brunger

    February 1, 2010 at 5:40 pm

    These are 48khz WAVs and my project is set to 48KHz aswell. It’s very odd!

  • Todd Kopriva

    February 1, 2010 at 6:08 pm

    I use the Stereo Mixer effect to do all of my animation of audio levels. I suggest giving that a shot and seeing if it behaves better for you.

    ———————————————————————————————————
    Todd Kopriva, Adobe Systems Incorporated
    putting the ‘T’ back in ‘RTFM’ : After Effects Help on the Web
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    If a page of After Effects Help answers your question, please consider rating it. If you have a tip, technique, or link to share—or if there is something that you’d like to see added or improved—please leave a comment.

  • Steve Roberts

    February 1, 2010 at 7:10 pm

    Second that.

  • Andy Sapp

    July 7, 2011 at 3:25 am

    Just ran into this exact issue with a project I am working on. Pulled all the audio keyframes off and applied stereo mixer to everything and keyframed it from there. Problem solved!

    Thanks for the suggestion!

  • Ian Davies

    September 2, 2012 at 11:22 pm

    Thanks for the tips, this is still an issue in CS5.5
    For me it turned out to be a sample rate mismatch between source material and project output settings.
    Good job After Effects isn’t an expensive piece of software aimed at professionals.

    Oh, wait…

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