I have two greg the bunny episodes that I extracted from my tivo and edited out commercials and tried to put on a SVCD using Nero 5.5
both episodes are 24mins in length a total of 48mins and about 440MB in size for one episode
the video is 480x480 constant bitrate and audio is 128kbps and 44kHz
i should be able to get this on one 80min CD right? Nero says no
steps takin:
extract using mfs_stream
split with vsplit to m2v and m2a file
open m2a in winamp and convert to wav
open m2v in DVD2AVI and save project
open tmpgenc, load svcd settings
use project save as video and wav as audio
encode to single mpg
open finished mpg in tmpgenc under mpeg tools for merge and cut using svcd type
cut commercials out and save as mpg
open nero and load final mpgs into layout
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When you encoded the video in TMPGEnc, did you adjust the bitrate of the video to conform to the 44 minute length? Try this calculator http://www.vcdhelp.com/calc.htm It's been pretty accurate for me so far.
Two 440MB files is far too large to fit on an 80min CD...
440MB * 2 * 1024 * 1024 = 922,746,880 bytes (give or take a byte)
922,746,880 bytes / 2,352 blocks = 392,324 blocks required
The average number of blocks on an 80min CD... 360,000. Your compilation is (392,324 - 360,000) * 2,352 = 76,026,048 bytes (72.5MB) too big.
The easiest way to determine if they'll fit...
Take the actual filesizes in bytes, add them all up, then add 10mb (for the required CDi files; give or take a MB, depending on your authoring software), and divide by 2352 (the block size of a Mode2 CD). If you get less than 360,000 (the average # of blocks on an 80min CD) then all the files will fit. Else, you'll have to re-encode one/them.
Try the bitrate calculator, tell it your video is 49 minutes too be safe, then re-encode the files with the suggested bitrate and try again. -
no i sure didn't use the calculator... i just went defaults on pretty much everything
i'll probably have to lower my bitrate
would you recommend VBR? or just lower CBR? -
I am quite partial to 2-pass VBR myself. Sure it takes twice as long as CBR, but who cares? The end product looks better (too me anyway) than CBR.
Average bitrate of whatever the bitratecalculator says, Max of 2520 and a Min of 300. I get really good results that way.
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