Difference between revisions of "Audio Fingerprint"

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#REDIRECT [[Fingerprinting]]
Audio fingerprints are identifiers for audio files based on the contained audio data.
MusicBrainz originally used Relatable's [[TRM]] exclusively as their only audio fingerprint technology, but due to various scalability and performance issues, and the fact that the server is closed-source and thus, not fixable, an alternative was required. [[MusicIP]]s [[PUID]] technology was chosen in March of 2006 as an efficient alternative.
[[PUID]]s were first integrated into [[Picard]] 0.7, and have seen continuous support in the MusicBrainz [[Server]].
Also see: [[How PUIDs Work]] and [[Future Proof Fingerprint]].
==Known Audio Fingerprinting Systems==
=== Open Source Systems ===
* The fingerprint in Kurt Rosenfeld's [http://www.w140.com/audio/ FDMF].
* [http://people.seerc.org/kourtesis/musicuri/ MusicURI], part of the [http://sourceforge.net/projects/mpeg7audiodb Mpeg-7 Audio DB] project.
* [http://jhears.org/ jHears] is an acoustic fingerprinting framework based on [[Future Proof Fingerprint|FutureProofFingerPrint]] design by Geoff Schmidt (formerly of Tuneprint). jHears is developed by Juha Heljoranta.
* [http://acoustid.org/ Acoustid] is an open source project that aims to create a free database of audio fingerprints with mapping to the MusicBrainz metadata database and provide a web service for audio file identification using this database. Developed by [[User:LukasLalinsky|Lukáš Lalinský]]
* [http://code.google.com/p/audioscout/ AudioScout]. Based on the [http://www.phash.org/ pHash] audio fingerprinting library, developed by the same authors. Uses the "Philips Robust Hashing" algorithm.
* [http://open-fp.sourceforge.net/ OpenFP].
* ''[defunct]'' [http://code.google.com/p/libfooid/ libFooID]. An audio fingerprinting library used by, and developed for [http://www.foosic.org/ foosic].
* ''[defunct]'' [http://sourceforge.net/projects/freetantrum Freetantrum]. It seems to be a dead project (its home page was replaced with an advert for unrelated things in 2001), but it may be worth investigating and resurrecting the code they produced.
* [http://echoprint.me/ Echoprint]. Audio fingerprinting solution developed by the Echo Nest.
=== Partially Open-Source Systems ===
* [[AmpliFIND Music Services]]'s [[PUID]] (formerly MusicIP/[[MusicMagic]]/Predixis)<br/>The [[PUID]] technology has been integrated into the [[MusicBrainz]] since March 2006 and into Picard since version 0.7.0 released in July 2007. See their [http://www.freshpatents.com/Audio-fingerprinting-system-and-method-dt20050324ptan20050065976.php patent application] for details on the technology. The client-side audio fingerprinting library ([http://bugs.musicbrainz.org/browser/libofa/trunk libofa]) is open-source.
* [http://blog.last.fm/2010/07/09/fingerprint-api-and-app-updated Last.fm]. The client-side audio fingerprinting library ([https://github.com/lastfm/Fingerprinter fplib]) is open-source. Uses the "[http://www.cs.cmu.edu/~yke/musicretrieval/ Computer Vision for Music Identification]" algorithm.
* ''[defunct]'' Relatable's [[TRM]]. The system [[MusicBrainz]] originally used. The use of TRM has since been removed from MusicBrainz. The client-side audio fingerprinting library was open source and integrated into [http://bugs.musicbrainz.org/browser/libmusicbrainz/tags/release-2.1.5 libmusicbrainz].
=== Commercial Systems ===
* [http://audiblemagic.com/ Audible Magic]. [http://www.econtentmag.com/Articles/ArticleReader.aspx?ArticleID=4473&IssueID=128 This article] compares business models for Philips & Audible Magic
* [http://business.mufin.com/solutions/audioid AudioID]. Developed at the [http://www.idmt.fraunhofer.de/eng/research_topics/audioid.htm Fraunhofer Institute for Integrated Circuits IIS and the Fraunhofer Institute for Digital Media Technology IDMT], now provided by [http://www.mufin.com/ mufin GmbH].
* [http://www.shazam.com/ Shazam]. Proprietary music fingerprinting system, currently offered directly to users over the telephone.
* [http://www.rovicorp.com/products/developers/innovate/rovi_cloud_services.htm Rovi Media Recognition Service] (formelly [http://en.wikipedia.org/wiki/AMG_LASSO AMG LASSO]).
* [http://www.gracenote.com/products/musicid/ Gracenote MusicID].
* Philips. One of the first scalable audio fingerprint algorithms. Described [http://ismir2002.ismir.net/proceedings/02-FP04-2.pdf here] and [http://ict.ewi.tudelft.nl/pub/doets/paper027.pdf here].
* [http://spiedl.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PSISDG005242000001000055000001&idtype=cvips&gifs=yes USC]
* And possibly most ridiculously of all: [http://www.songtapper.com/s/tappingmain.bin The Song Tapper]
[[Category:Terminology]] [[Category:To Be Reviewed]]

Latest revision as of 13:46, 1 December 2011

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