Date: Thu, 16 Sep 1999 10:32:43 -0700 From: Steve <sreid@sea-to-sky.net> To: freebsd-multimedia@freebsd.org Subject: Atapi CD audio ripper quality? Message-ID: <19990916103243.A417@grok.localnet>
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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
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