| 词条 | AcoustID |
| 释义 |
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] ChromaprintIn 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 IDThe 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/ 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.
References1. ^[https://acoustid.org/faq Frequently Asked Questions] AcoustID 2. ^{{cite web | last=Henry | first=Alan | title=The Best Apps For Automatically Cleaning Up Your Music Library | website=Lifehacker Australia | date=2014-04-10 | url=https://www.lifehacker.com.au/2014/04/the-best-apps-for-automatically-cleaning-up-your-music-library/ | access-date=2019-02-24}} 3. ^{{cite web | last=Walsh | first=Terry | title=How to master your music metadata (Part 1) | website=TechHive | date=2017-04-28 | url=https://techhive.com/article/3192777 | access-date=2019-02-24}} 4. ^{{cite web|title=Audio-Tag-Editor Puddletag mit AcoustID-Support|periodical=heise online|publisher=|url=https://heise.de/-1674345|deadurl=|format=|accessdate=2019-02-23|archiveurl=|archivedate=|last=Liane M. Dubowy|date=2012-08-24|year=|month=|day=|language=de-DE}} 5. ^AmpliFIND Music Services: News {{webarchive|url=https://web.archive.org/web/20130921055804/http://www.amplifindmusicservices.com/news/press/amplified-music-aims-to-liberate-your-music.php |date=2013-09-21 }} 6. ^{{cite web|url=http://oxygene.sk/2010/07/introducing-chromaprint/ |title=Introducing Chromaprint – Lukáš Lalinský |publisher=Oxygene.sk |date=2010-07-24 |accessdate=2018-04-10}} 7. ^{{cite web|url=https://oxygene.sk/2015/10/five-years-of-acoustid/|title=Five years of AcoustID - Lukáš Lalinský|website=oxygene.sk}} 8. ^{{Cite journal|url=http://oxygene.sk/2011/01/how-does-chromaprint-work/ |title=How does Chromaprint work? – Lukáš Lalinský |journal=IEEE Transactions on Information Forensics and Security |volume=4 |issue=4 |pages=995–1004 |doi=10.1109/TIFS.2009.2034452 |date=2011-01-18 |accessdate=2018-04-10|last1=Jang |first1=Dalwon |last2=Yoo |first2=Chang D |last3=Lee |first3=Sunil |last4=Kim |first4=Sungwoong |last5=Kalker |first5=Ton }} 9. ^https://wiki.musicbrainz.org/Fingerprinting External links
3 : Music websites|Acoustic fingerprinting|Online music and lyrics databases |
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