From owner-freebsd-multimedia Thu Sep 16 10:32:30 1999 Delivered-To: freebsd-multimedia@freebsd.org Received: from tusk.mountain-inter.net (tusk.mountain-inter.net [204.244.200.1]) by hub.freebsd.org (Postfix) with ESMTP id EBC1814F6F for ; Thu, 16 Sep 1999 10:32:27 -0700 (PDT) (envelope-from sreid@sea-to-sky.net) Received: from grok.localnet (dialup50.mountain-inter.net [204.244.200.59]) by tusk.mountain-inter.net (8.9.3/8.8.7) with ESMTP id KAA24304 for ; Thu, 16 Sep 1999 10:32:24 -0700 Received: by grok.localnet (Postfix, from userid 1000) id F1A6C212E07; Thu, 16 Sep 1999 10:32:43 -0700 (PDT) Date: Thu, 16 Sep 1999 10:32:43 -0700 From: Steve To: freebsd-multimedia@freebsd.org Subject: Atapi CD audio ripper quality? Message-ID: <19990916103243.A417@grok.localnet> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.4i Sender: owner-freebsd-multimedia@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org I've installed dagrab from the ports tree and am trying to figure out whether or not I'm getting perfect rips from my audio CDs. Presumably, because it's a digital medium, there is only one "correct" version. Right? First I tried dagrab'ing a track multiple times with the default settings then comparing MD5 digests. I ripped the track seven or eight times and they were all identical except one. So far so good, I thought. Then I tried with "-n 16" and four out of five were identical. The thing is, they were different from what I got using the default settings. I tried with "-n 16 -o 6" and "-n 32", and with each setting got mostly identical files, but different from all of the previous settings. So how do I tell which setting (if any) is giving me the correct output? The files all sound okay at first listen but I haven't done careful comparisons to find out if there are audible differences. I figure it would be too tedious to do so for every track I rip. There must be some way to automatically figure out if the rip is good or not. I was running with -v, and in all cases it said 0 retries for jitter correction. If there are any errors I guess they're going undetected. Maybe I just don't know what I'm doing? How do I find out if I'm getting a correct rip? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message