[CGUYS] Fw: [CGUYS] CD differences (?)

[Brian Jones]

This is an old Thread (May 09)... But I have a bit of info that was not 
mentioned.


My nephew purchased an audio CD recorder a few years ago to record music his 
band was playing.  I too thought that any CD will do, but this unit looked 
for some marker on the CD to indicate that it was an Audio CD before it 
would write to it.  It would reject standard data CD's.


So there you have it.. the audio CD has a bit set somewhere that the Audio 
CD recorder can find, and as Tom says, it indicates that the 'royalties' 
have been paid in advance.


 - Brian


From: Tom Piwowar t...@tjpa.com
Subject: Re: [CGUYS] CD differences (?)



So the question is 'What happens if I write an audio content to these

purported data CDs ?


Audio content is data.

The audio designation is for discs that include a royalty to the RIAA
to cover the cost of all the music they think you will be stealing.

Your friend will insist that they bought the music on the vinyl record,
but the RIAA insists that all they sold was a license and that this
license does not allow copying the music to a CD.



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Re: [CGUYS] Fw: [CGUYS] CD differences (?)

[tjpa]

On Nov 20, 2009, at 10:30 AM, Brian Jones wrote:
My nephew purchased an audio CD recorder a few years ago to record  
music his band was playing.  I too thought that any CD will do, but  
this unit looked for some marker on the CD to indicate that it was  
an Audio CD before it would write to it.  It would reject standard  
data CD's.


I did not know that this was being enforced by the hardware. Bummer!

It is good to know that every blank disc has an information block that  
is read when the disc is inserted into a burner. This is why there is  
a bit of a delay when a disc is inserted into a burner as the burner  
has to figure out what you have fed it. Different discs are made with  
different materials and the burner has to adjust to the requirements  
of the disc. It is quite amazing how this complicated setup is handled  
so invisibly that most of us don't even know it is going on.



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