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Re: Verify data integrity

by Per Øyvind Øygard-2 :: Rate this Message:

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On Mon, 26 May 2008 16:16:45 +0200, Grant <emailgrant@...> wrote:

> I'd like to rip my CD collection to FLAC files and be 100% sure I've
> created perfect bit-for-bit copies.  Does musicbrainz and/or picard
> have any functionality that would help with this?  I've read that
> every FLAC file contains a checksum.  Maybe that would help?

The FLAC checksum won't tell you whether the rip was good since it's  
created from the wav file you get after the ripping process, it only tells  
you whether or not the file has become corrupted at some point after that.

What you want is Exact Audio Copy and AccurateRip, [1] is a reasonable  
guide for how to set up EAC for the best ripping, though I'm sure you can  
find some newer ones if you look. The important thing is that you  
configure AccurateRip, just feed it cds until it's happy. After that you  
can rip your collection with Burst mode or whatever else you want. Just  
watch out for any tracks which don't pass AccurateRip, or which aren't in  
the database. In that case you might want to use Secure mode and maybe  
even Test & Copy (copies it twice and compares crcs). For most albums  
burst is fine though since AR already checks the quality of the rip.

[1] http://www.hydrogenaudio.org/forums/index.php?showtopic=30959

- Per (Wizzcat)

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