[11776] in cryptography@c2.net mail archive
Re: Real-world steganography
daemon@ATHENA.MIT.EDU (Paul Krumviede)
Tue Oct 1 10:00:21 2002
Date: Mon, 30 Sep 2002 20:30:20 -0700
From: Paul Krumviede <pwk@acm.org>
To: Jeremey Barrett <jeremey@rot26.com>
Cc: Peter Gutmann <pgut001@cs.auckland.ac.nz>,
cryptography@wasabisystems.com, cypherpunks@lne.com
In-Reply-To: <3D991349.5050903@rot26.com>
--On Monday, 30 September, 2002 22:15 -0500 Jeremey Barrett
<jeremey@rot26.com> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Paul Krumviede wrote:
>| i've seen comments in reviews of professional CD mastering
>| gear that there are other, seemingly preferred, technologies,
>| although i've never found details of them.
>|
>
> The other formats of note are probably SACD and then DVD-Audio. SACD
> is multichannel 16-bit/44.1kHz... so multichannel CD without additional
> sample resolution (if I recall). SACD is not "backwards compatible"
> though, whereas HDCD is.
although we're wandering a bit far afield here, the other other format(s)
i was referring to are all supposedly backwards compatible, with the
original CD spec (wasn't that also some colored book?). i couldn't
tell from the review, or don't remember, what, if anything, they required
on the decoder side (but if they didn't require anything, then could it
be steganography?).
-paul
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