Author Archives: douglas

human-generated, heavily annotated transcription

Just as a point of interest, here’s an example of a human-generated, heavily annotated transcription of a jazz performance: Sancticity, Scofield solo analysis transcribed by Bert Ligon http://in.music.sc.edu/ea/jazz/Transcriptions/Sancticity.all.pdf It’s clear that in the near future we’ll be able to generate … Continue reading

Posted in Uncategorized | Comments Off on human-generated, heavily annotated transcription

Computational Ethnomusicology

Much of our discussion lately has been about biases of various sorts in MIR tools and how to avoid/fix them. Here’s a paper that touches on many of the topics we’ve been thinking about: Computational Ethnomusicology George Tzanetakis, Ajay Kapur, … Continue reading

Posted in Uncategorized | Comments Off on Computational Ethnomusicology

New jazz-mir mailing list!

We are now hosting a general discussion list for people and machines interested in exploring the application of MIR (Music Information Retrieval) techniques to jazz: https://lists.columbia.edu/mailman/listinfo/jazz-mir  

Posted in Uncategorized | Comments Off on New jazz-mir mailing list!

loudness vs duration

I’ve been playing with plotting various EN analysis quantities against one another. I thought that pitch vs loudness or pitch vs segment duration might turn up something interesting, but visually at least, there’s not much of interest. Then I tried … Continue reading

Posted in Uncategorized | Comments Off on loudness vs duration

Infinite tracks

I used Paul Lamere’s Infinite Jukebox app to generate some fun examples for the j-disc MIR launch event a couple weeks ago: * Sonny Stitt: Autumn Leaves * Bill Monroe: Roanoke * Kenny G: Careless Whispers  

Posted in Uncategorized | Comments Off on Infinite tracks

segments vs beats

We’re starting to think that maybe beat tracking, as it’s usually implemented, isn’t really that useful for a lot of jazz. Not only do many jazz tracks seem to confuse beat trackers, but it’s not clear that “beats” are really … Continue reading

Posted in Uncategorized | Comments Off on segments vs beats

The tempo of Autumn Leaves

A few years ago Paul Lamere from The Echo Nest posted some experiments in click track detection: http://musicmachinery.com/2009/03/02/in-search-of-the-click-track While we’re not interested in finding click tracks in jazz recordings, the question of beat duration stability is an interesting one for … Continue reading

Posted in Uncategorized | Comments Off on The tempo of Autumn Leaves