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Date: Tue, 29 Oct 2002 23:13:02 +0100
From: Stefan Smietanowski <stesmi@stesmi.com>
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To: "Mr. James W. Laferriere" <babydr@baby-dragons.com>
CC: Linux Kernel Maillist <linux-kernel@vger.kernel.org>
Subject: Re: OT: DVD-* owners be warned .  Please see inside .
References: <Pine.LNX.4.44.0210100949270.6366-100000@filesrv1.baby-dragons.com>
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Mr. James W. Laferriere wrote:
> 	Hello All ,
> 
> 	Here we go .  Two differant hardware types to prevent users from
> 	making private backups of items that they have purchased .  I hope
> 	that somewhere in the community there is a methodology to
> 	circumvent this stupidity .
> 
> 	Below is a snippet from the URL below this :
> 
> 	Why are there two formats? The key reason for the introduction of
> 	DVD-R for General media is that it contains content protection
> 	measures that make it physically impossible to make a bit-for-bit
> 	copies of CSS encrypted entertainment titles.
> 
> http://www.pioneerelectronics.com/Pioneer/Files/DVDRMedia-GeneralvsAuthoring.pdf

Thought I'd point out that this is old news. Very old in fact.

This was set when the DVD-R standard was put in place ...

Or actually, shortly thereafter.

At first there was only one standard, DVD-R. Now there are two at
different wavelengths, DVD For General (cannot copy css encrypted
things) and DVD-R For Authoring which can but those discs cost a lot 
more. DVD-R was renamed DVD-R For Authoring.

// Stefan


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