AcoustID

Last updated
AcoustID
Acoustid logo.svg
DeveloperLukáš Lalinský
Typeaudio identification service
Pricing modelfree for non-commercial use
Website acoustid.org

AcoustID is a webservice for the identification of music recordings based on the Chromaprint acoustic fingerprint algorithm. It can identify entire songs but not short snippets. [1]

Contents

By 2017, the free service had 34 million "fingerprints" in-store and every day acquired between 15 and 20 thousand new entries and answered around five million search queries. AcoustID is integrated into the audio file metadata editors Picard, Jaikoz [2] and Puddletag, for example. [3] [4]

Chromaprint

In October 2009 MusicIP was acquired by AmpliFIND. [5] Some time after the acquisition, the MusicDNS service began having intermittent problems. Since the future of the free identification service was uncertain, a replacement for it was sought. The Chromaprint acoustic fingerprinting algorithm, the basis for AcoustID identification service, was started in February 2010 by a long-time MusicBrainz contributor Lukáš Lalinský. [6] The oldest entry in the DB is from 8 Oct 2010. [7]

While AcoustID and Chromaprint are not officially MusicBrainz projects, they are closely tied with each other and both are open source. Chromaprint works by analyzing the first two minutes of a track, detecting the strength in each of 12 pitch classes, storing these 8 times per second. Additional post-processing is then applied to compress this fingerprint while retaining patterns. [8] The AcoustID search server then searches from the database of fingerprints by similarity and returns the AcoustID identifier along with MusicBrainz recording identifiers if known.

Since 2013 Chromaprint is the only fingerprint supported by MusicBrainz. [9]

Fingerprint ID

The fingerprint IDs are 8-digit and conform to /[1-9][0-9]{7}/. E.g.

AcoustID "track"

Groups of Chromaprints are given a UUID and can be reached via https://acoustid.org/track/<uuid>, e.g. https://acoustid.org/track/a64cc174-c77c-47ee-ac1b-78015270dfe6.

The underlying chromaprints can be reached via fingerprint IDs, e.g.

ID                                             Length  Sources https://acoustid.org/fingerprint/11799567 3:35 255 https://acoustid.org/fingerprint/41547743 3:36 152 https://acoustid.org/fingerprint/21463426 3:38 81

The linked MusicBrainz "recordings" can contain music of different performers, e.g.

Related Research Articles

<span class="mw-page-title-main">MusicBrainz</span> Online music metadata database

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

<span class="mw-page-title-main">Jaikoz</span> Java tagging program

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Search by sound is the retrieval of information based on audio input. There are a handful of applications, specifically for mobile devices that utilize search by sound. Shazam, Soundhound, Axwave, ACRCloud and others have seen considerable success by using a simple algorithm to match an acoustic fingerprint to a song in a library. These applications take a sample clip of a song, or a user-generated melody and check a music library/music database to see where the clip matches with the song. From there, song information will be queried and displayed to the user.

Automatic content recognition (ACR) is a technology used to identify content played on a media device or presented within a media file. Devices with ACR can allow for the collection of content consumption information automatically at the screen or speaker level itself, without any user-based input or search efforts. This information may be collected for purposes such as personalized advertising, content recommendations, or sale to customer data aggregators.

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References

  1. ↑ Frequently Asked Questions AcoustID
  2. ↑ Henry, Alan (2014-04-10). "The Best Apps For Automatically Cleaning Up Your Music Library". Lifehacker Australia. Retrieved 2019-02-24.
  3. ↑ Walsh, Terry (2017-04-28). "How to master your music metadata (Part 1)". TechHive. Retrieved 2019-02-24.
  4. ↑ Liane M. Dubowy (2012-08-24). "Audio-Tag-Editor Puddletag mit AcoustID-Support". Heise Online (in German). Retrieved 2019-02-23.
  5. ↑ AmpliFIND Music Services: News Archived 2013-09-21 at the Wayback Machine
  6. ↑ "Introducing Chromaprint – Lukáš Lalinský". Oxygene.sk. 2010-07-24. Retrieved 2018-04-10.
  7. ↑ "Five years of AcoustID - Lukáš Lalinský". oxygene.sk.
  8. ↑ Jang, Dalwon; Yoo, Chang D; Lee, Sunil; Kim, Sungwoong; Kalker, Ton (2011-01-18). "How does Chromaprint work? – Lukáš Lalinský". IEEE Transactions on Information Forensics and Security. 4 (4): 995–1004. doi:10.1109/TIFS.2009.2034452. S2CID   1502596 . Retrieved 2018-04-10.
  9. ↑ "Fingerprinting - MusicBrainz Wiki".

Further reading

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