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Collaborative Programmable Music.
A Live-programmable music exploration & collaboration toolkit.
Overtone is an Open Source toolkit for designing synthesizers and collaborating with music. It provides:
- A Clojure API to the SuperCollider synthesis engine
- A growing library of musical functions (scales, chords, rhythms, arpeggiators, etc.)
- Metronome and timing system to support live-programming and sequencing
- Plug and play MIDI device I/O
- Simple Open Sound Control (OSC) message handling
- Pre-cache - a system for locally caching external assets such as .wav files
- An API for querying and fetching sounds from http://freesound.org
# Install lein2 # https://github.com/technomancy/leiningen $ lein new insane-noises # add the following dependencies to insane-noises/project.clj # [org.clojure/clojure "1.3.0"] # [overtone "0.7.1"] $ cd insane-noises $ lein repl
;; boot the server user=> (use 'overtone.live) ;; listen to the joys of a simple sine wave user=> (demo (sin-osc)) ;; or something more interesting... user=>(demo 7 (lpf (mix (saw [50 (line 100 1600 5) 101 100.5])) (lin-lin (lf-tri (line 2 20 5)) -1 1 400 4000)))
For a more detailed set of setup instructions (including details specific to Windows and Linux) head over to the Overtone wiki installation page
We maintain documentation for all aspects of the system in the project wiki, you'll find tutorials and examples on topics such as synthesizing new sounds from scratch, live-coding and generating musical scores on the fly. If you see anything missing, please feel free to add it yourself, or hit us up on the mailing list and we'll sort something out.
Head over to Vimeo for a fast-paced 4 minute introduction to live-coding with Overtone to see what's possible
For a nice overview of the basics of creating and playing with synthesized instruments in Overtone checkout Philip Potter's 20 minute workshop:
There are also the following tutorials:
- Setting up an Overtone Development Environment - Running on Edge http://vimeo.com/25102399
- How to Hack Overtone with Emacs http://vimeo.com/25190186
Overtone has generated quite a bit of interest. Here's a list of available interviews which go into further depth on the background and philosophy of Overtone:
- http://codebassradio.net/2011/11/29/runtime-expectations-episode-13-hot-clojure-conj/ (scroll down to the section with Sam Aaron, Ghadi Shayban, and Daniel Spiewak)
For a quick glance at all the exciting functionality Overtone puts at your musical fingertips check out the cheat sheet:
We encourage you to join the mailing list to see what other people are getting up to with Overtone. Use it to ask questions, show off what you've made and even meet fellow Overtoners in your area so you can meet up for impromptu jam sessions. All we ask is that you be considerate, courteous and respectful and that you share as much of your code as possible so we can all learn how to make crazy cool sounds together.
Downloads and the source repository can be found on GitHub:
Clone the repository on GitHub to get started developing, and if you are ready to submit a patch then fork your own copy and do a pull request.
Overtone and its dependencies are on http://clojars.org, and the
dependency for your
To help us tune the JVM for realtime performance, we use YourKit.
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