Creating a bin or ISO image of a CD??

Chuck Swiger cswiger at
Tue May 20 11:46:36 PDT 2003

Warren Block wrote:
> On Mon, 19 May 2003, Eduardo Viruena Silva wrote:
>>	dd if=/dev/acd0c of=my_image bs=2352
> Hmmm.  This brings up something I've wondered about.  I always use
> bs=2k to match the actual sector size of CDs.

The "sector size" of a CD isn't constant, or perhaps it would be better 
to say that the size depends on whether you want to consider the raw 
data including the Reed-Solomon ECC data (and maybe the subchannel info, 
too-- see DAO96 as a reference keyword), or the data post-ECC.


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