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Re: copy protected audio cds with linux ?



Stupid question...I thought making a copy of the original CD to 'preserve' it 
was 'acceptable' use??

On another note, I buy CDs (I know I can 'share' but until now, I like have 
the originals, I still have a collection of LPs, but no turntable ;-) for my 
office to play while I'm working, on my PC. I have not used any of the file 
sharing services before, but...

Now for the dark side... how hard can it be to connect a digital out on the 
cd player to a digital in on a computer and ...

When will the get it through their heads, if it can be secured, it can be 
cracked!

On Monday 25 March 2002 15:26, Dave Steinberg wrote:
> On 25 Mar 2002, Oliver Elphick wrote:
> > I believe these copy-protection schemes work by introducing a lot of
> > errors on the CD.  Audio CD players skip them but computers treat the CD
> > as faulty.
> >
> > If this were in Britain I would take the CD back to the shop as unfit
> > for the purpose for which it was sold and/or complain to Trading
> > Standards.  I should have thought that you could do something similar in
> > Germany, since the quality of the CD has been deliberately downgraded.
>
> Hi Oliver, hi all,
>
> In that case, get ready to start making a lot of trips to the record
> store.
>
> From what I understand, Sony Music is, this week, starting to release all
> new albums with their key2audio protection (http://www.key2audio.com/).
> It seems the first disc to be crippled is the Celine Dion release, "A New
> Day Has Come."  Dion is, far and away, Sony's biggest selling artist, so
> it's pretty safe to conclude that the experiments are over, and Sony is
> going full speed ahead.
>
> According to the site, "...key2audio does not introduce artificial
> (C2) errors into the music, thereby preserving the title's original sound
> quality...A hidden signature applied to the disc during glass master
> manufacturing prevents playback on PC/MAC and thereby prevents copying or
> track ripping.  The high reliability is due to the fact that the audio
> part fully complies with the Red Book standard - not a single bit is
> changed in the audio data stream - i.e.: no uncorrectable errors are used
> to protect the audio data."
>
> Apparently, the discs are clearly labeled along the lines of "This CD
> does not play on PC/MAC."
>
> If the claims of Red Book compliance are true, and the CD's are clearly
> labelled as not playing on PC's, how can we justify returning them?


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