Category: Programs for Music

Code · Programs for Music · Work

MERT Vamp Plugin, and a Lossy Encoding Detector

Chris CannamLeave a comment

I'm just finishing a project in the Centre for Digital Music (C4DM) that involved creating a couple of new Vamp plugins from machine-learning models for music audio. MERT Vamp Plugin: a feature extractor for MERT audio features Vamp Lossy Encoding Detector: detect whether music audio has previously been encoded via lossy compression A Vamp plugin… Continue reading MERT Vamp Plugin, and a Lossy Encoding Detector

Actual physical objects made of stuff · Programs for Music · Work

A new bit of software… and mugs!

Chris Cannam

A couple of curious projects have recently sprung new releases. Of a sort. Mugs The simpler, and sillier, one first: I've entered the mug trade! Or strictly speaking, our company (hitherto entirely software) has. Either way, you can now buy a mug with two of my drawings of cartoon giraffes playing musical instruments on it.… Continue reading A new bit of software… and mugs!

Programs for Music

Performance improvements in Rubber Band Library

Chris Cannam

Today marks version 3.1 of the audio time-stretching and pitch-shifting library Rubber Band. This release focuses primarily on performance improvements. In version 3.0 we introduced a totally new, higher-quality processing engine, which I'll refer to as the R3 engine. The older one is still included, and I'll call that R2. Although the output of R3… Continue reading Performance improvements in Rubber Band Library

Code · Programs for Music · Work

Rubber Band Library: a thrilling new release

Chris Cannam1 Comment

Rubber Band is a software library I wrote a while ago for changing audio recordings, typically of music, by altering their speed or pitch independently of one another — often known as time-stretching and pitch-shifting. There's a new release out, version 3.0, and I think it's terrific and sounds great and I'm very proud of… Continue reading Rubber Band Library: a thrilling new release

Academics · Programs for Music

Note on “Explorations in Time-Frequency Analysis” by Patrick Flandrin

Chris Cannam

Patrick Flandrin is a physicist and signal-processing researcher whose name I first encountered as co-author (with François Auger) of a 1995 IEEE Transactions on Signal Processing paper called "Improving the Readability of Time-Frequency and Time-Scale Representations by the Reassignment Method". This crunchy publication (21 pages, dozens of equations and figures) took a pleasing idea —… Continue reading Note on “Explorations in Time-Frequency Analysis” by Patrick Flandrin