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29th March 2002, 10:23 | #1 | Link | |
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2pass encoding vs. 1pass quality : what is better?
hi,
I thought that stuff should get an extra thread Here in the board I've read the following: Quote:
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cu yose Yosemite National Park, CA - The greatest place on earth Last edited by yosemite; 29th March 2002 at 10:28. |
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29th March 2002, 10:45 | #2 | Link |
Encoding Dinosaur!
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It's very simple:
If the size doesn't matter, go for quality based 100%, you'll get the highest quality possible. If the size matters, go for 2-pass encoding, you'll get better overall quality as the equivalent quality based setting (I mean "quality based xx%" that gives you almost the same size). Just try to lower the max quantizer a bit, 12 is a way too much, the best values are between 6 and 8. I work with 8. |
29th March 2002, 10:48 | #3 | Link |
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well, and what do u mean with "1pass when size doesnt matters" ?
with which movie-size I have to calculate, when I use 1pass quality? and if I take the 1pass quality, is the max quantizer still important?
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cu yose Yosemite National Park, CA - The greatest place on earth |
29th March 2002, 11:55 | #7 | Link | ||
Encoding Dinosaur!
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Quote:
Quote:
Example: Arc The Lad Anime episodes. I got the 20 minutes episodes in 576x432 @24fps encoded with quality 100% on 120 to 180MB only! Or Coyote Ugly, the whole Movie (about 95 minutes) in 704x304 @25fps encoded with quality 100% on 1,2GB But Dragon Ball Z Movie 5 (about 47 minutes) in 512x384 @24fps got 1,3GB. So it depends on the movie... |
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29th March 2002, 12:04 | #10 | Link |
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so, I have to do an 8 hour "test" qith 1pass quality 100% and if it isnt good, I've to take the 2pass - that will be work *gg*
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cu yose Yosemite National Park, CA - The greatest place on earth |
29th March 2002, 15:59 | #11 | Link |
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Try this: http://forum.doom9.org/showthread.php?s=&threadid=19927
If you get more than 100% you can go with costant quality encoding (and you'll end up with an undersized movie (according to the size GKnot show)) |
29th March 2002, 16:43 | #12 | Link |
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Jonny, i have been doing some divx5 comp checks, using B-frames, and must say that my results so far agree with your findings
Maybe TheWef could use some of your work to the new Gordian Knot?
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Rui |
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