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In Reply to: Questions about DVD-A , DVD-V > DAC posted by ducati on April 23, 2003 at 10:48:03:
How can I resist answering one who bears the name of my favourite motorbike :-)1. The DVD-V section of a DVD-A is just like any other DVD-V. If your DAC can’t accept Dolby Digital and/or DTS then you need to convert those to PCM, and the resolution would of course depend of the converter. I think it’s impossible to tell what the original resolution was, but generally the bitrate is 1509 kbps for DTS and 448 kbps for DD, but some DVD-A’s has a 24/96 DTS mix which I assume would result in more than 1509 kbps?
2. Correct. Perhaps if you get one with digital firewire output you will be able to buy firewire DAC’s in the future.
Follow Ups:
Gotta love vtwin sportbikes and their hooligan offspring (of which I own). I love my Monster... MMMMN.1. My DAC, dCS Delius, will only accept PCM input. My DVD-V player will output PCM at 24/48 or 24/96, depending upon the source encoding, I suppose.
I am really a dummy when it comes to DVD's... Sorry for the silly questions. But if it's Dolby Digital, is that encoded with something entirely different from PCM? and thus if I tell my DVD-V player to output PCM and not Dolby Digital, so my dCS can decode it, I am going through some sort of conversion step in the DVD-V player?
“I am going through some sort of conversion step in the DVD-V player?”Yes, Dolby Digital and DTS is PCM that has been compressed using a non-lossless compression algorithm. So you would need to convert it back to PCM, but it will not be the same as the original PCM because bits were lost in the compression.
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