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Best method to calculate bitrate for Vegas 6/7 to DVDA 3/4
I’ve been working on a 3hour instructional DVD for the past 7months. My last instructional came out to just under 2.5hrs and I had no problems lowering the bitrate and fitting it on a DVD-5. This latest one along with extra videos is well over 3 hours. Unless I’m misunderstanding, I don’t know why Vegas 7 (which I just upgraded to) still doesn’t make the output to DVDA4 more precise by figuring out the bitrate for me??
I’m rendering this out to a Dual Layer DVD (which is completely new to me). I’m finding that using the default bitrates on a custom template (set to 2 pass on NTSC template) yields a file of 8.5GB and when placed into DVDA4, shows as 8.9GB.
Also as a sidenote, I bought a Toshiba Satellite A105-S4344 laptop to replace my old Sony GR-390, and I went from 36 hours to sub 6 hour renders. LOL, nice that 6 years of technology can make such an improvement on render times.
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3 Replies
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Vegas does not have any built-in facility for calculating bit rates, tough if you have your project already rendered to avi, you can use DVDAs fit to disc function to give you a good idea.
DVDA has never been particularly good at knowing how many MBs the media adds up to, though DVDA4 is better at this. For a dual layer, I’d recommend keeping it under 8 GB, and that includes your audio files too.
Even if DVDA reads a higher GB total, you can still try and prepare/burn. It may squeak by.
Gary Kleiner
Learn Vegas and DVD Architect
http://www.VegasTrainingAndTools.com
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Thanks Gary for the advice. Much appreciated.
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Bit rate calcs available:
https://www.creativecow.net/articles/lindeboom_ron/formats_data-rates_storage/index.html
Chris Young
Sydney
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