[filmscanners] RE: OT: DVD formats

["Lucans, Gunars" <gunars@spss.com>]

Those are the figures I was thinking of ... I was just off a bit on the result 
... DVD 2.4X is about CD-R 21.6X.


> -----Original Message-----
> From: [mailto:rkoziol3@comcast.net]
> Sent: Tuesday, September 02, 2003 2:06 PM
> To: Lucans, Gunars
> 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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