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[filmscanners] RE: OT: DVD formats


  • To: lexa@www.lexa.ru
  • Subject: [filmscanners] RE: OT: DVD formats
  • From: "Nagaraj, Ramesh" <Ramesh.Nagaraj@ca.com>
  • Date: Tue, 2 Sep 2003 15:46:52 -0400
  • Content-class: urn:content-classes:message
  • Thread-index: AcNxiO8gN9XNuQpqShK6QSTIUUHHQwAAPHOA
  • Thread-topic: [filmscanners] Re: OT: DVD formats
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This I too bought a DVD writer for 139usd.
Thanks for speed realted info.


Thanks
Ramesh



-----Original Message-----
From: [mailto:rkoziol3@comcast.net]
Sent: Tuesday, September 02, 2003 3:06 PM
To: Nagaraj, Ramesh
Subject: [filmscanners] Re: OT: DVD formats


Hi,

On 2 Sep 2003 at 13:44, Lucans, Gunars wrote:

> Note that 2.4x for DVD is not the same as 2.4x for CD-R and is quite a
> bit faster (although I can't find a reference just now, it's more on
> the order of 30x for cd-r).

This topic is coming up lately.  Could be the price breaks, so people
are thinking about it.  So am I.  Here's something I lifted from
another list.

"The difference between CDR speeds and DVD speeds is for CDR
speeds each 1x = 150KB sec for DVDs each 1x = 1353KB sec.

So 4x would be for CDs (4X150 = 600KB sec) and 4x for DVDs
(4x1353 = 5,412KB sec or 5.4MBps)

So recording DVD is much faster than CDR recording since DVD
drives have a higher storage capacity of 4.7 GB single-sided as
opposed to CDR 600 - 800MB single-sided and need a much higher
bandwidth for packet writing."



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