From owner-freebsd-questions Sun Apr 22 11:31:19 2001 Delivered-To: freebsd-questions@freebsd.org Received: from femail8.sdc1.sfba.home.com (femail8.sdc1.sfba.home.com [24.0.95.88]) by hub.freebsd.org (Postfix) with ESMTP id 69ED937B423 for ; Sun, 22 Apr 2001 11:31:17 -0700 (PDT) (envelope-from graywane@home.com) Received: from cg392862-a.adubn1.nj.home.com ([65.2.79.221]) by femail8.sdc1.sfba.home.com (InterMail vM.4.01.03.20 201-229-121-120-20010223) with ESMTP id <20010422183116.JKAB5385.femail8.sdc1.sfba.home.com@cg392862-a.adubn1.nj.home.com>; Sun, 22 Apr 2001 11:31:16 -0700 Received: (from graywane@localhost) by cg392862-a.adubn1.nj.home.com (8.11.3/8.11.3) id f3MIVEG00500; Sun, 22 Apr 2001 14:31:14 -0400 (EDT) (envelope-from graywane) Date: Sun, 22 Apr 2001 14:31:14 -0400 From: Graywane To: Bzdik BSD Cc: dleimbac@earthlink.net, andrew@ugh.net.au, questions@FreeBSD.ORG Subject: Re: Duplicating Audio CDs [audio block] Message-ID: <20010422143114.A447@home.com> References: <200104221506.IAA22511@harrier.mail.pas.earthlink.net> <20010422175352.21650.qmail@web13604.mail.yahoo.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="DocE+STaALJfprDB" Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010422175352.21650.qmail@web13604.mail.yahoo.com>; from bzdik@yahoo.com on Sun, Apr 22, 2001 at 10:53:52AM -0700 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG --DocE+STaALJfprDB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Apr 22, 2001 at 10:53:52AM -0700, Bzdik BSD wrote: > --- Dave Leimbach wrote: > > try dd if=3D/dev/acd0c of=3Dfile.img bs=3D2048 > >=20 > > 2048 bytes is the correct block size to read data from a CD. Its > > what the > > driver wants > > Audio is a slightly bigger block and I forget just how big. >=20 > it's 2053 Nope. Its 2352. +---------------------- Yellow Book -------------------+---- Red Book ---+ ! ! ! v <------------------- 2352 Bytes -------------------> v v +----------+---------------------------------+---------+-----------------+ ! Sync ! ! CD-ROM ! ! ! & ! User Data (2048 Bytes) ! EDC/ECC ! EDC/ECC/Control ! ! Headers ! ! (280) ! (882 Bytes) ! ! (24) ! ! ! ! +----------+---------------------------------+---------+-----------------+ --=20 Note: See http://www.members.home.net/graywane/ for PGP information. --DocE+STaALJfprDB Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (FreeBSD) Comment: For info see http://www.gnupg.org iEYEARECAAYFAjrjI3IACgkQeHdFaBWUGN0/CwCfXvf21+62xL1fCUTlNnfSOxhk QkwAoK6KgfNXcqbCsA+B6j0Nlb0UxN1C =nMa0 -----END PGP SIGNATURE----- --DocE+STaALJfprDB-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message