AmpliFIND

AmpliFIND is an acoustic fingerprinting service and a software development kit developed by the US company MusicIP.wikipedia
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MusicBrainz

Cover Art ArchiveMusic BrainzMusicBraidz
One of their customers was MetaBrainz Foundation, a non-profit company that used MusicDNS in their MusicBrainz and MusicBrainz Picard software products.
This issue was resolved in May 2006 when MusicBrainz partnered with MusicIP (now AmpliFIND), replacing TRM with MusicDNS.

MusicBrainz Picard

One of their customers was MetaBrainz Foundation, a non-profit company that used MusicDNS in their MusicBrainz and MusicBrainz Picard software products.
This early incarnation of the program could identify songs based on tags or MusicDNS acoustic fingerprints.

Adaptive Public License

The source code for LibOFA is distributed under a dual license: the GNU General Public License and the Adaptive Public License.
MusicDNS

Acoustic fingerprint

acoustic fingerprintingmusic identificationaudio fingerprinting
AmpliFIND is an acoustic fingerprinting service and a software development kit developed by the US company MusicIP.

Software development kit

SDKSDKsdevelopment kits
AmpliFIND is an acoustic fingerprinting service and a software development kit developed by the US company MusicIP.

Digital audio

digital musicaudiodigital
MusicIP first marketed their fingerprinting algorithm and service as MusicDNS. In 2006, MusicIP reported that the MusicDNS database had more than 22 million fingerprints of digital audio recordings.

MetaBrainz Foundation

One of their customers was MetaBrainz Foundation, a non-profit company that used MusicDNS in their MusicBrainz and MusicBrainz Picard software products.

Sony

Sony CorporationSony BMG MusicSony Music
In 2011, Stess sold AmpliFIND to Sony, who incorporated it into the digital music service offerings of their Gracenote division.

Gracenote

TrackID
In 2011, Stess sold AmpliFIND to Sony, who incorporated it into the digital music service offerings of their Gracenote division.

Tribune Media

Tribune CompanyTribune Media CompanyTribune
Tribune Media subsequently purchased Gracenote, including the MusicDNS software.

Software developer

developerdevelopersdeveloped
To use the MusicDNS service, software developers write a computer program that incorporates an open-source software library called LibOFA.

Open source

open-sourceclosed sourceClosed
To use the MusicDNS service, software developers write a computer program that incorporates an open-source software library called LibOFA.

Library (computing)

librarylibrariessoftware library
To use the MusicDNS service, software developers write a computer program that incorporates an open-source software library called LibOFA.

Universally unique identifier

UUIDglobally unique identifierGUID
The PUID code is a short, alphanumeric string based on the universally unique identifier standard.

Source code

codesourcesource file
The source code for LibOFA is distributed under a dual license: the GNU General Public License and the Adaptive Public License.

Multi-licensing

dual-licenseddual licensetri-license
The source code for LibOFA is distributed under a dual license: the GNU General Public License and the Adaptive Public License.

GNU General Public License

GPLGNU GPLGPLv2
The source code for LibOFA is distributed under a dual license: the GNU General Public License and the Adaptive Public License.

Proprietary software

Proprietaryclosed-sourceClosed source
The MusicDNS software that makes the fingerprints is proprietary.

AcoustID

In October 2009 MusicIP was acquired by AmpliFIND.

PUID

Portable Unique IDentifier, an identifier associated with a MusicDNS acoustic fingerprint