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Date: Tue, 20 May 2003 16:46:01 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: Chuck Swiger <cswiger@mac.com>
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Subject: Re: Creating a bin or ISO image of a CD??
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On Tue, 20 May 2003, Chuck Swiger wrote:

> Warren Block wrote:
> > 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.

A little searching later... I can't really tell, but it looks like DAO96
applies to audio CDs.  I'm talking about ISO9660 data CDs; isn't the
block size/sector size on them a constant 2K?

-Warren Block * Rapid City, South Dakota USA