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DDP question DAW Software
Old 15th September 2011
  #1
Gear Maniac
 
bleak orange's Avatar
 

DDP question

Hi,

When saving / exporting a DDP image, is the "Audio.dat" file a bounce of the whole project ?

So if one have , lets say different limiter settings on different tracks/ regions, this will get bounced down before converted to the "Audio.dat" file ?
Same with volume adjustments on regions ?

tia
Old 15th September 2011
  #2
Lives for gear
 

Quote:
Originally Posted by bleak orange View Post
Hi,

When saving / exporting a DDP image, is the "Audio.dat" file a bounce of the whole project ?

So if one have , lets say different limiter settings on different tracks/ regions, this will get bounced down before converted to the "Audio.dat" file ?
Same with volume adjustments on regions ?

tia
Yes, the Audio.dat file is roughly equivalent to a 16-bit-rendered wav of your project/montage.
It just has a different header.

Actually, you can get rid of the header and compare the audio.dat to a rendered wav. (f.e. with the 'compare files' command in Wavelab)
If the resulting delta-file's maximum peaks are of the same level in dbFS as the max peak level of the dithering algorithm you used, your DDP-image didn't have any errors included during the making of the fileset.
Do that if you don't trust your DDP software 100% (or recently changed it.)
F.e. I did it with most DDPs since switching to Wavelab 7.
Old 15th September 2011
  #3
Quote:
Originally Posted by bleak orange View Post
Hi,

When saving / exporting a DDP image, is the "Audio.dat" file a bounce of the whole project ?

So if one have , lets say different limiter settings on different tracks/ regions, this will get bounced down before converted to the "Audio.dat" file ?
Same with volume adjustments on regions ?

tia
In something like WaveLab, it certainly would.
I have to confess that I normally make my master WAV file first, and check that, then the DDPi, and then I will write that back to CD/DVD and check the resulting disc.
Must try the WaveLab way next time around....

EDIT - Love the sig, BTW.
Old 15th September 2011
  #4
I've always seen it as image.dat but yes, like everyone else. it's a single PCM file of the whole disc.

And yes whatever program you used bounced out the project with whatever processing was applied, and this bounce is what became the .dat file.
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