File size shrinks during rendering

Postby bgamd on Fri Sep 27, 2013 7:46 pm

Using Boxed VS ProX5, windows 7 home.
VS seems to somehow shrink the file size when rendering and I am perplexed why.
For example, I edited a 2 1/2 hr project and hit the share tab to create a dvd 9.5
VS indicated that I was oversize for that size disc and I had to reduce the bit rate to compensate.
(attempts to burn it oversized seem to produce errors at 99%)
Based on my modified project settings, the colored bar at the bottom of the screen indicated that I was at the maximum end of yellow, and over 7 GB in size but my rendered iso image was only 6.2 GB.
How does this happen?
How can I create oversized DVD files? I prefer to "shrink" them in another program.
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Re: File size shrinks during rendering

Postby lata on Sun Sep 29, 2013 10:26 am

From your project choose Share Create Video File - DVD not Create Disc.
This option will render the project to a Mpeg2 DVD Compliant file using the highest settings. About 4 Gb per hour., Your 2.5 hours project will be a Mpeg2 file at approx 9 Gb+
The file could be used in other programs to burn a disc.

If you need Video Studio to create the disc menu structure then Share Create Disc
As you are aware the options cogwheel will allow you to set the conversion properties. If you also deselect Do Not Convert then all clips will be rendered to the settings you choose. The max size Video Studio will allow will fit to disc as that is what the module does.
I have noticed that it tends to be cautious and does not oversize rather create slightly smaller sizes, that stops the problem of creating those coasters.
If you try to oversize it will prompt you to Fit to Disc automatically adjusting the data rate.

The green bar shows two sizes one in brackets, which are you viewing?
And are you reading the figures to the left of the bar.?

Post Updated

I noticed you posted the same problem here
viewtopic.php?f=1&t=36600&p=189214#p189169
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Re: File size shrinks during rendering

Postby bgamd on Sun Sep 29, 2013 2:47 pm

Thanks for all the help. I did not remember that I had already posted this topic (4 years ago)! I guess I should re-read my old posts!
Perhaps Using a newer version of VS prompted the new request for help.
I will try the suggested processes. The shrinking program I use (DVD Shrink) will open oversized .iso files and DVD (Video_TS) files but is not helpful with a single mpeg2.
I like it because it shrinks only enough to fit, preserving as much quality as possible.
I guess I was trying to eliminate the extra step of rendering an mpeg2 then an iso/dvd
It seems a possible waste of quality for VS when it does not use all the available space on a blank dvd.
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Re: File size shrinks during rendering

Postby lata on Sun Sep 29, 2013 5:34 pm

Hi

As a test I burned an iso, (DVD 8.5GB disc option)
I used Mpeg2 compatible files (7000kbps) just to reduce the render process. Text Menu also reduced the time.
2 hours 27 minutes of video. The size bar showed some yellow, so just oversized for a disc but should burn to ISO.
The green bar size showed as 7.78 (8.36) GB

The resultant ISO was 7.9Gb, a little oversized to burn to disc.
Using DVD Shrink would involve a further render to fit to disc.

Using Video Studio and a data rate of 6700kbps would reduce the size to fit to disc doing away with the need for additional renders.
Mpeg2 is a lossy format and the more renders the more the quality reduces.

Just to sum up an iso of 7.9 Gb was the best I could do. At least for me the program is using all available space on the disc……….

As a further test I am trying the fit to disc option, but gonna take a long time rendering?
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