Do you have the DivX codec (http://www.divx.com/) installed? I know a lot of people use codec packs but I've found just to play/work with .AVI files, the DivX codec is all I've needed.
Oddly enough, I very rarely get sound in my Sony Vegas Movie Studio with .AVI files but I always do with WMM (so I have to use WMM to render out any audio bits I want and import that into Movie Studio ;) ).
If this is something, though, that just recently happened, like you were able to use .AVI files fine and then they just stopped working, it's probably coming from a new program you've installed or an update of some sort that went on since the last time it worked until now. That's usually just a matter of trial and error and lots of Googling to try to figure out what the culprit is and how to work around it. ;)
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timeasmymeasure
no subject
Date: 2011-11-04 10:24 pm (UTC)Oddly enough, I very rarely get sound in my Sony Vegas Movie Studio with .AVI files but I always do with WMM (so I have to use WMM to render out any audio bits I want and import that into Movie Studio ;) ).
If this is something, though, that just recently happened, like you were able to use .AVI files fine and then they just stopped working, it's probably coming from a new program you've installed or an update of some sort that went on since the last time it worked until now. That's usually just a matter of trial and error and lots of Googling to try to figure out what the culprit is and how to work around it. ;)
Good luck! :D