RE: MD: 48 KHz

[Francisco J. Huerta]

PCM Audio for DVD discs is 48Khz. Or 96/24, depending on the disc.

Francisco.

- Original Message - 
From: Rodney Peterson [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, January 04, 2001 5:32 PM
Subject: MD: 48 KHz


 
 I've never seen this before, but I'm digitally recording a DVD (All Time
 Party Classics Volume One-Various Artists DJ Music Videos-not copy
 protected and about three hours long so will need three MD's) and the
 display is showing 48 KHz, normally for CD it says 
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MD: 48 KHz

[Rodney Peterson]

I've never seen this before, but I'm digitally recording a DVD (All Time
Party Classics Volume One-Various Artists DJ Music Videos-not copy
protected and about three hours long so will need three MD's) and the
display is showing 48 KHz, normally for CD it says 44.1 KHz Also this is
the second time I've recorded it, the first time around I manually
inserted track numbers because the MD recorder did not automatically
insert them, which I've also never seen before-but then again I
generally don't record all the tracks on a DVD at once. I erased the
first recording, because I decided it would be better to divide the disc
into track numbers later, and am now recording the disc with one track.
What's the deal with the 48 KHz sampling frequency? Is this the standard
for all DVD's?

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Re: MD: 48 KHz

[Stainless Steel Rat]

* [EMAIL PROTECTED] (Rodney Peterson)  on Thu, 04 Jan 2001
| What's the deal with the 48 KHz sampling frequency? Is this the standard
| for all DVD's?

There is no audio sampling frequency on DVD-ROM or DVD-RAM or the plethora
of rewritable DVD data standards, so when you mean DVD-Video, say DVD-Video
to avoid confusion.

In the US the audio requirement for DVD-Video (Digital Versatile Disc -
Video) is AC-3 (aka Dolby Digital).  AC-3 allows for sampling frequencies
from as low as 44.1KHz if not lower up to 96KHz.  The actual sampling
frequency used on a given video disc depends on the author.

Then there is DVD-Audio, but I won't go there because nobody else has :).
-- 
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