Framework/Algorithms/Library for server side estimation/recognition of audio file similarity? [closed]

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I want to implement an android app which compares recorded audio files with our sound database and reports a similiarity metric. The app will work somehow like Shazam but is matched 开发者_如何学JAVAagainst our database audio files. Can anyone point me to an open source project which implements adequate algorithms to do the sound recogognition/comparision on our server ? Thanks

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Audio hashing is used to do such comparison. Here is a technical paper that addresses some of the challenges of audio hashing: http://www.eurasip.org/Proceedings/Eusipco/Eusipco2004/defevent/papers/cr1091.pdf

There are technologies that can be licensed for such purposes from companies like http://www.gracenote.com/