From owner-freebsd-hackers Fri Dec 26 22:59:57 1997 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.7/8.8.7) id WAA09006 for hackers-outgoing; Fri, 26 Dec 1997 22:59:57 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from word.smith.net.au (ppp4.portal.net.au [202.12.71.104]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id WAA08985 for ; Fri, 26 Dec 1997 22:59:37 -0800 (PST) (envelope-from mike@word.smith.net.au) Received: from word (localhost [127.0.0.1]) by word.smith.net.au (8.8.8/8.8.5) with ESMTP id AAA01060; Fri, 26 Dec 1997 00:03:15 +1030 (CST) Message-Id: <199712251333.AAA01060@word.smith.net.au> X-Mailer: exmh version 2.0zeta 7/24/97 To: Greg Lehey cc: Martin Heller , hackers@FreeBSD.ORG Subject: Re: Moving CD audio data around with HP 4020i In-reply-to: Your message of "Thu, 25 Dec 1997 19:55:12 +1030." <19971225195512.18219@lemis.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 26 Dec 1997 00:03:15 +1030 From: Mike Smith Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk > >> There's a lot more involved than just copying. IIRC, CDs record at > >> 41.4 ksamples/second, and DATs record at 44 or 48 ksamples/second, so > >> you'd effectively have to remaster. I suppose straight interpolation > >> would work, but it's still a lot of processing. > > > > I do not think that its so esay, but there are programs for professionals > > who can do this. > > Any comments on the difficulty, or the appropriateness of linear > interpolation? Of course, you'd need to know the block format. Linear interpolation is trivial, and would probably yield an acceptable result. A polynomial interpolation would yield a rather more faithful conversion, with a speed tradeoff of course. Bah Humbug. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ Remember, the race is long, \\ msmith@freebsd.org \\ and in the end it's only with yourself. \\