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Dolby Digital/DVD question  

post #1 of 5
Thread Starter 
Hope someonce can shed some light...I know Dolby Digital is the audio standard on DVD..but does that mean that a studio MUST include a dolby digital soundtrack, or just that if they include a 'digital' track, it MUST be dolby digital.

I ask because i have a title that does NOT have an dolby digital track, only PCM stereo.

thanks

Winston
post #2 of 5
Hi !

What disc is it ???

I think all DVDs must have a Dolby Digital track, but do not have to be 5.1
Are you sure it's not a Dolby Digital 2.0 audio track ?
I don't think that I have any DVDs with a non-compressed PCM track ???

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Marc Behar
post #3 of 5
Thread Starter 
Yep, i'm sure...2 examples:

Steely Dan - Aja (classic albums series)
Niacin - bloos, sweat & beers

both without dolby digital, and say 'uncompressed pcm'

Winston
post #4 of 5
The DVD Spec specifies that a DVD must contaion either a Dolby Digital bitstream or a PCM bitstream. That's what made DTS's entry into DVD so frustrating: DTS could have encoded their audio into the PCM track, as they do with DTS CDs (and LDs), and early adopters wouldn't have needed to buy new DVD players.

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-TheMerk
post #5 of 5
Thread Starter 
thanks for the help. Some friends of mine thought that
all DVD's MUSt have Dolby Digital, and i was trying to
explain that it must have DD OR pcm.

Win
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