cddb/freedb for existing collections of wav files?

[Derek Broughton]

James Leifer wrote:

> "Steve Flynn" <anothermindbomb at gmail.com> writes:
> 
>>    How will the lookup program know which CD these are WAV tracks of?
>>    When you are ripping a CD and you perform a CDDB lookup, the ISRN is
>>    read from the CD TOC and that is used to identify the CD in the CDDB
>>    database. Now that you've thrown that information away and have
>>    nothing but a big pile of WAV files, you've got no way of telling what
>>    that CD was... in essence, you've thrown away all of your metadata.
> 
> Hmm... A quick googling suggests that a cddb query consists of the
> hash of the lengths of all the tracks on the CD.  Maybe I've
> misunderstood, but if this is true then a pile of *all* the wav files
> from a single CD should yield this information nicely.
> 
> Is that right?

I don't know if it's _right_, but it's what I always believed.  I'm
absolutely certain that cddb does _not_ rely on the ISRN - though perhaps
it may use it if it's available.
-- 
derek