DVD Rebuilder Pro advanced CCE settings question

[mattstan]

DVD Rebuilder Pro with CCE SP 2.67

In the advanced CCE settings there are 3 values which can be altered, mine are defaulted to:

VBR_Bias 25
Quality Prec 16
VBR_Passes 2

Am I correct in thinking that VBR_Passes set as 2 in DVD Rebuilder, is one pass to create the vaf file and one further pass, which differs from the passes using CCE on it's own as CCE does not count the vaf file creation as a pass? So a pass setting of 3 in DVD-RB would be the same as 2 passes using CCE on it's own? Many people on this site say that more than 3 passes is unnecessary in that the improvement is so small and the extra time so large that you may as well stick to 3 passes if time is an issue (which it is for me). I'd like confirmation that when they say 3 passes, they mean 3 passes set in DVD-RB which is the vaf file creation pass + 2 further passes?

Next I'm encoding just the movie (I already stripped everything else out using DVD Shrink with 'NO Compression') leaving me with 6.23 GB of dvd files. I don't know what to set the VBR_Bias and Quality_Prec values to but unless told otherwise I'll set the VBR_Passes as 3 in DVD-RB. Please advise as to what the quality and bias settings should be (sorry but I don't have time to run comparrison tests).

Many thanks.

[xzarkad]

Hi,

I think that quality settings may differ from person to person. Anyway, I have tried several settings, and these are best to me.(quality vs. time to encode)
VBR passes: 3
VBR bias: 25
Quality prec: 20
I am using CCE 2.5 and the settings I use give me a satisfying result for this version. Note that other CCE versions can have a different logic for the settings.

[fritzi93]

Mattstan, your settings are default. A good compromise that works well. To do better, you must know how various factors affect the encode, for instance: runtime/bitrate, action vs. "taking head" video, quality of original encode, etc, etc. Unless and until you know more about that, use the defaults.

Here's a good place to start to learn advanced techniques using DVDRB:

http://www.afterdawn.com/guides/archive/dvd_rebuilder_tutorial_advanced_page_5.cfm

Good luck.

[fritzi93]

Forgot to mention VBR Bias settings. Have a look here:

http://forum.doom9.org/showthread.php?t=96532