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Knowing if a CD/wav comes from Ogg ?
post Feb 24 2012, 02:19
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I some special tape in the past, like 10 years ago. I encoded it in Ogg Vorbis, accidentally deleted the .wav files.

Now I have juste found back a CD with the same content.
But I don't remember at all if the CD has been burnt from the original wav files or from the already encoded Ogg files.

I there a way I can be sure about that ?

Thank you for your help.
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post Feb 24 2012, 02:47
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There are a couple of programs that try to analyze a file to determine if it's ever been lossy-encoded. I've never tried any of them... One is the Tau CD Authenticity Analyzer.

If the CD sounds obviously different, it's probably from an original (or from a different lossy copy smile.gif ). If it doesn't sound obviously different, you can't be sure.

If the OGG file sounds OK, maybe it doesn't matter... Often, we can live with "good enough".

If it's absolutely critical for you to have a non-lossy copy, I guess you'll have to buy the CD.
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