I am pretty sure the fingerprints are calculated on your local machine. It would only be the finger print that you send to the web service.
This is how the Picard application works. Regards Adrian Halid From: ozdotnet-boun...@ozdotnet.com [mailto:ozdotnet-boun...@ozdotnet.com] On Behalf Of Greg Keogh Sent: Monday, 1 December 2014 8:35 AM To: ozDotNet Subject: Re: Duplicate matching Instead of using the filename to determine duplicate audio files have you considered using an audio fingerprint? ... Apparently it uses http://acoustid.org/ which is an open source library. This is an interesting lateral-thinking idea. That's an ambitious and scientifically interesting project. I can't submit 90GB of music to their web service, but if the algorithm can be run locally to generate the fingerprints then it would efficient to lookup their database -- Greg K