Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I opened up a avi file in virtualdub and trimmed the clip and clicked "Save as avi" and it saved the trimmed clip but it was 3 times the size of the original clip. How can that be?

share|improve this question
You most likely went from a compressed AVI to an Uncompressed AVI as stated by szeli – Moab Apr 5 '11 at 2:54
up vote 4 down vote accepted

it can be due to the codecs involved. different codecs offer different compression rates and quality. when you 'Save as avi' did you check which codec was it configured to use?

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.