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Changing the bitrate on an existing DVDSP project
Cross-posting this from the DVDSP forum:
I have finished with a fairly complex DVD build in DVDSP and it’s indicating that the final project is slightly too large to fit on a standard DVD. I’d like to lower the encoding bit rate a little, but I don’t seem to be able to do so. I can change it in the Preferences, but I has no effect on the project. Do I have to start over on a new project or is there a way to change the encoding bitrate without having to delete/reimport all of the assets? There is a LOT to this project and I’d like to not have to start over.
TomLife moves pretty fast. If you don’t stop and look around once in a while, you could miss it.–Ferris Bueller
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5 Replies
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How is your audio encoded? You can reencode to ac3 which will decrease the file size.
You can reencode in compressor at lower bitrate and replace the files.
You can use a dual layer DVD.
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Thanks Jeremy.
This is an instructional video to be included in the box with the product. I don’t think that the client would want the added expense of duping a dual layer disc this far into the project.I’ve deleted all of the existing encoded assets and tried to change the settings and then re-encode. Same, exact file size.Surely there has to be a simple way to just lower the encoding bitrate in an existing project and re-encode without having to start over? All I need to do is reduce the file size by a fairly small amount to fit it all in a single layer disc.
TomLife moves pretty fast. If you don’t stop and look around once in a while, you could miss it.–Ferris Bueller
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[Tom Matthies] “I’ve deleted all of the existing encoded assets and tried to change the settings and then re-encode. Same, exact file size.Surely there has to be a simple way to just lower the encoding bitrate in an existing project and re-encode without having to start over? “
I don’t understand. Are you saying you re-encoded your assets and they are the same file size?
Can you list what settings you used in Compressor when you encoded?
Are you still using the same build folder (video_ts)? If you are, then you are still using the original asset and not your new lower bit rate assets. You need to do the build over so that the new assets are multiplexed into new .vob’s.
Something is wrong in your workflow. If you make lower bit rate assets, all you have to do is re-link and re-build.
This really should be in the DVDSP forum . Michael Sacci can explain this better than anyone.
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Thanks John
I am actually cross-posting this in the DVDSP forum as well.
I’m not encoding through Compressor, but from DVDSP itself. I’m importing Quicktime files exported from FCP into DVDSP and encoding from there. No trip through Compressor so no new files to relink to. I’ve deleted the TS file folder for the project, lowerrd the bitrate in DVDSP preferences and then doing a new build on the disk. It always seems to use the original bitrate. Weird.
Yep. Something amiss with the workflow here. I’m probably missing something obvious on this one. This should be a slam-dunk issue.
Thanks
TomLife moves pretty fast. If you don’t stop and look around once in a while, you could miss it.–Ferris Bueller
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[Tom Matthies] “I’ve deleted all of the existing encoded assets and tried to change the settings and then re-encode. Same, exact file size.Surely there has to be a simple way to just lower the encoding bitrate in an existing project and re-encode without having to start over?”
Don’t start over. Just do the encodes in Compressor and lower the data rate. Relink and be done.
What is your audio set to?
Jeremy
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