Tag Archives: chromaprint

How does Chromaprint work?

Posted on January 18, 2011 by Lukáš Lalinský

I’ve been meaning to write this post for a long time, but never really finished it. I hope it will help people understand how does the Chromaprint algorithm work, where do the individual ideas come from and what do the … Continue reading →

Posted in Acoustid | Tagged , , , | 28 Comments

Acoustid submission API extended to accept PUIDs

Posted on January 6, 2011 by Lukáš Lalinský

As strange as it might sound, the Acoustid submission API can now also accept PUIDs instead of MBIDs. I had the idea of using PUIDs to help bootstrap the Acoustid database for a long time, but I avoided implementing it, … Continue reading →

Posted in Acoustid | Tagged , , , , | 2 Comments

Chromaprint plug-in for GStreamer

Posted on January 2, 2011 by Lukáš Lalinský

It’s been a long time since I learned some new framework (or even wrote some real code), so I decided to write a GStreamer plug-in that will wrap libchromaprint and make it very easy to generate Chromaprint fingerprints in GStreamer … Continue reading →

Posted in Acoustid, Programming | Tagged , , , , | 1 Comment

Acoustid moved to a new server

Posted on December 16, 2010 by Lukáš Lalinský

Since I announced the Acoustid project, I got over 1.1 million fingerprint submissions (mostly from MusicBrainz editors), covering about 580 thousand unique MusicBrainz track IDs. In the background I was running a process that imported the raw submissions and merged … Continue reading →

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Binary fingerprint compression

Posted on November 22, 2010 by Lukáš Lalinský

While working on the Acoustid web service, I had a hard time deciding how to send fingerprints to the server. The fingerprints are vectors of fairly large 32-bit numbers. Sending the numbers in binary (which would be ideal) is not … Continue reading →

Posted in Acoustid, Programming | Tagged , , , | 2 Comments