Women in Technology

Article:		An Introduction to iMovie
Subject:		MPEG-1
Date:		2002-10-14 10:15:10
From:		astromac
Does anybody know how to use MPEG-1 video in iMovie? I've got Quicktime Pro 6 which can convert several formats to a DV stream. However, with MPEG-1, I lose the audio when I do this. Does anybody have a workaround or solution that they know of? It's pretty important to me to have this capability. Thanks.

Showing messages 1 through 1 of 1.

• MPEG-1 demuxing
  2002-10-22 00:59:15  tychay [View]
  
  
  I don't work with MPEG-1 format, but my guess is you have a demuxing issue. When a video format has the video and audio tracks multiplexed into the same track, an QuickTime 5 or laterimport (which iMovie uses) will only import the video track. You need to demux this with a program (for instance try bbDEMUX at http://sourceforge.net/projects/macbbdemux ). I'm sure there are other programs that a simple search on Google, VersionTracker or MacUpdate will give.
  
  After demuxing, import the tracks into iMovie separately. Note that for reasons, I never understood your audio and video may not be the same length! I don't think iMovie can handle this case (Final Cut Pro I think can).
  
  Sorry I can't help more--I'm a programmer, not a video person.
  
  Hope this helps,
  
  terry