a library for audio and music analysis
Under GNU General Public License v3.0
By aubio

python extraction c music sound audio annotation analysis pitch mfcc onset beat tempo-tracking


aubio is a library to label music and sounds. It listens to audio signals and
attempts to detect events. For instance, when a drum is hit, at which frequency
is a note, or at what tempo is a rhythmic melody.

Its features include segmenting a sound file before each of its attacks,
performing pitch detection, tapping the beat and producing midi streams from
live audio.

aubio provide several algorithms and routines, including:

The name aubio comes from audio with a typo: some errors are likely to be
found in the results.

Python module

A python module for aubio is provided. For more information on how to use it,
please see the file python/ and the
manual .


The python module comes with the following command line tools:

Additional command line tools are included along with the library:


The latest version of the documentation can be found at:

Build Instructions

aubio compiles on Linux, Mac OS X, Windows, Cygwin, and iOS.

To compile aubio, you should be able to simply run:


To compile the python module:

./ build

See the manual for more information about
installing aubio.


Please use the DOI link above to cite this release in your publications. For
more information, see also the about
page in aubio


The home page of this project can be found at:


aubio is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later


Patches are welcome: please fork the latest git repository and create a feature
branch. Submitted requests should pass all continuous integration tests.