Unable to extract audio cd tracks

Marc Fonvieille blackend at freebsd.org
Mon Dec 13 18:22:07 UTC 2010

On Mon, Dec 13, 2010 at 06:54:40PM +0100, David Demelier wrote:
> Hi,
> Reading this http://www.freebsd.org/doc/handbook/creating-cds.html I 
> would try to extract my files from my optical drive. (I don't have 
> atapicam but if I understand well it's only needed for cdda2wav)
> markand at Abricot ~ $ sudo dd if=/dev/acd0t01 of=track1.cdr
> dd: /dev/acd0t01: Invalid argument
> 0+0 records in
> 0+0 records out
> 0 bytes transferred in 0.026221 secs (0 bytes/sec)
> do I really need atapicam even if I directly read from the device?

cdda2wav should work even without atapicam.  The doc has to be updated
on this point.

However the dd thing should work maybe the disc was not correctly "tasted"
by the drive.  Try:

dd if=/dev/acd0 of=/dev/null count=1


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