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View Full Version : SBC Encoding (nandub) problem


devonrs
4th March 2002, 09:59
Again something to do with getting a newer version... when i first got into this i had older versions of nandub/virtualdub and now installing and running the older versions still brings up the new version settings, something to do with the registry? anyway, i wanna learn to use the new version right anyway, so here's my problem:

on an older version of nandub, where each setting had its own menu option (bitrate reservoir, divx settings, etc) as opposed to them all on different tabs under the sbc settings option, i encoded about 15 movies very nicely, just loading the settings i had found to be best and changing the bitrate and a few other things for each movie... on the newer one, when i do that same thing, with a 980 bitrate for an hour and a half movie, the movie came out to be 200 megs instead of like 650 where i was aiming. and the quality actually looked pretty good, but only on the low motion scenes... on the slightest bit of motion it would be really blocky, i figured it must be something to do with the high/low motion settings but they were just as recommended by dooms guide and i tried it the way nickys page says to as well... i tried upping the bitrate and other quality settings but they didnt make much difference... how could the movie size have gotten so small?? also while encoding the deviations seems to always be a positive number instead of negative like it used to and the projected file size slowly gets smaller throughout, instead of an even fluctuation. any sugggestions?

Koepi
4th March 2002, 12:46
Read the NOE, following the link in my signature. It's mentioned in the nandub readme so DO read it. ...

Regards,
Koepi

devonrs
7th March 2002, 12:23
okay so i read it, and tried what i could that seemed to have something to do with my problem, i reinstalled divx 3.11 codecs, thinking that was the only thing that could be it, but nothing, it might just be the movie/dvd i dont know, some things about it though, first of all, part way through encoding nandub pops up an error message that says "can not read script file" then i hit okay and it resumes, and slowly the projected file size gets smaller but the quality seems to be fine... i encoded at a bitrate of like 950 or so and it came out to about 400 megs (1 and a half hour movie) then i raised the gauge to 90% (from 80) and raised the low pass and raised the bitrate to 1200 and did it again and the result file was only 350 megs!! ?? but the quality looked pretty good... so i just added sound and am done with it... but i still just don't get it.. why did it turn out so small? it seems like something must be wrong here... all the settings are set pretty close to doom's suggestions... what's the deal???

movmasty
12th March 2002, 09:19
what max DRF are you using? 6? 8?

put a lower max DRF.