open source audio identification

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Use an account you already have, there is no separate AcoustID password.

Recommended. A MusicBrainz account also lets you fix wrong links between AcoustIDs and recordings.

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Getting an API key for submitting fingerprints from applications like MusicBrainz Picard.
Registering your own application to use the web service.
Fixing wrong links between AcoustIDs and MusicBrainz recordings.

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Software created by Lukáš Lalinský, hosted by AcoustID OÜ, data crowd-sourced by thousands of contributors.

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