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AVI and MPEG
Name: Ted. Date: July 15, 2007 at 15:12:02 Pacific OS: XP Home SP2 CPU/Ram: Intel Celeron 2.66 ghz /
Comment:
Hi, All, I installed YouTube downloader and downloaded a few music clips using the MPEG compression. The audio and video quality was poor, but acceptable for me. I tried again using the AVI option and the results were noticeably improved. I had to install the Xvid codec to enable WMP to play them, though. I was agreeably surprised to find that the AVI files were no larger than the MPEG ones. Why is this? I have always understood that AVI files, being uncompressed, are huge compared to MPEG. Will someone please enlighten me?
Name: soupnasty Date: July 15, 2007 at 15:19:36 Pacific
Reply:
The avi tag is just a container for compressed xvid or dixv files.
Micro$oft have a a version of avi which is uncompressed and is next to useless storage wise.
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Response Number 2
Name: Ted. Date: July 15, 2007 at 18:18:21 Pacific
Reply:
Hi, soupnasty,
Thanks for that. This explains why the file size doesn't differ. Does this mean that the YouTube AVI clips I download are in the original form uploaded, whereas the MPEG would be compressing them again? Would this explain the AVI quality improvement?
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