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You are here: MacNN Forums > Our Archives > General Archives > Digital Video & Audio Archives > Captured clip's audio doesn't match video

 
Captured clip's audio doesn't match video
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Fresh-Faced Recruit
Join Date: Oct 2002
Location: South Boston, MA
Status: Offline
Jan 2, 2003, 02:33 PM
 
I'm using iMovie and the Dazzle Hollywood DV/Bridge.

The capture from VHS & Hi8 went well. Playback in iMovie = fine. But when I exported to iDVD and played it back, the Hi8 capture looked like a bad Japanese horror flick. Sure it draws a few amusing laughs at first. But now I need to get serious and fix this problem. Heeeeeelp? please.

P.S. I'm using Mac OS 10.2.3

I'm FatMan
     
Addicted to MacNN
Join Date: Nov 2002
Location: Seattle, WA
Status: Offline
Jan 2, 2003, 11:15 PM
 
if it looked fine in iMovie, and in QT it looks pixelated and choppy, chances are it's fine, and QT is playing it with "high quality" turned off (which is the default for some strange reason). If QT actually says the video and audio are different lengths (Movie Properties) and iMovie botched the export, you can fix the sync with Sync-Hole (choose Match Tracks in the Sync menu). Sync-Hole refuses to scale the audio track, because you should never ever scale the audio track. But in this case, if you are quite certain the audio is the wrong speed, and you are planning to convert again later to {dvd, vcd, mov/aac, whatever}, you might want to use QTPro to extract the audio track, delete it from the original, and Add Scaled the extracted audio to the video. Or use QTMutator to adjust it in place. Once you scale the audio, it will no longer be a an integer multiple of 11,050 khz, and you must resample it (export) to such a sample rate to avoid costly on-the-fly resampling during playback
     
 
   
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