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Audiochecker, Is it reliable?
Bodhi
post Jul 13 2010, 10:39
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Hello,

I've read somewhere that Audiochecker is fair enough but not 100% reliable. I've just checked some of my flac files and Audiochecker tells me sometimes that a file is 95% MPEG (while the rest of the album is 100% CDDA).

How can it be that sure (95%) while it is completely wrong since I ripped it myself from a CD? (or maybe my brand new CD was created from MPEG files laugh.gif )

Thank you in advance.
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mjb2006
post Jul 14 2010, 20:33
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It's just a known limitation of the software. Audiochecker is relying on the Aucdtect software (separately maintained, and not updated in a long time) to do the analysis and generate those percentages, which are an estimation of how likely it is not a lossy transcode.

As you can see in the first graph at the Aucdtect testing results page there's about a 7% margin of error.

It's well-known that tracks without a lot of high-frequency content can produce a 'bad' result.
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