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Activity Forums Avid Media Composer Avid Nitrus compression/expansion

  • Avid Nitrus compression/expansion

    Posted by Mark Smyth on May 26, 2008 at 12:12 pm

    Hi. When I fit-fill a clip in the Nitrus I lose lip sync badly, even when only compressing or expanding the clip by 4% either way. Any ideas on how to maintain the lip sync? The clips are anywhere from 5 to 20 minutes. The sync gets worse the longer the clip.
    Thanks
    Mark

    Grinner Hester replied 18 years, 3 months ago 3 Members · 4 Replies
  • 4 Replies
  • Terence Curren

    May 27, 2008 at 2:37 am

    You’re changing the speed of the video and you want to know why you lose sync?

    I’m going to answer this as straight-faced as I can, you need to change the speed of the audio to match. This can be achieved with limited success in Avid by using the digi audiosuite plugins. There is a time remapping plugin that can be used but if I remember correctly, you have to do some playing around or advanced math to figure out the appropriate offset.

    Terence Curren
    http://www.alphadogs.tv
    http://www.digitalservicestation.com
    Burbank,Ca

  • Mark Smyth

    May 27, 2008 at 4:08 am

    Dude, give me some credit. I am also changing the speed of the audio, but the sync isn’t even close. In fact one audio track doesn’t stay in sync with the other audio track. I know of audio suite plugins for the Adrenaline, I will look into the audio suite plugins for the Nitrus. Thanks.

  • Terence Curren

    May 27, 2008 at 4:13 am

    Sorry, I couldn’t tell from the original post, and some folks who post here… well….

    You will have the same plugins as you have in the Adrenaline, but there is a time shift plugin there. The funny, (or not so funny in this case) thing is that the exact same plugin in ProTools works perfectly. just tweak with it and see if you an get there.

    Terence Curren
    http://www.alphadogs.tv
    http://www.digitalservicestation.com
    Burbank,Ca

  • Grinner Hester

    May 30, 2008 at 12:34 pm

    you will have to manually match your audio clip to the new duration of the video clip. Look at it’s duration and then when you apply your time compression filter, enter in that new duration.

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