Open Sound Control Web Bridge
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Open Sound Control Web Bridge


OSC (Open Sound Control) is a protocol on top of UDP commonly used by audio applications. It could be seem as a MIDI evolution.

The objective of osc-web is to make possible to send and receive OSC messages on the Web browser. With this browser capability we could do interesting things like:

  • Connect OSC supported controllers to the Web browser
  • Use the Web browser as a controller to OSC supported applications (like Puredata, SuperCollider, Max/MSP, …)
  • Create a Web OSC proxy where people all over the world could connect yours OSC controllers or applications without complications with port fordwarding

Some weeks ago I was asking for awesome people on AudioXG about that and we come with some options:

  1. create a Firefox extension using nsISocketTransport
  2. create a kind of HTTP proxy (thanks @corban, @F1LT3R, @humph and yury!)

The first one works but seems to be a security hole (as yuri saids, no one wants UDP connections on its browsers). Now I’m trying the second alternative, using node.js and to create a bridge between OSC controllers/applications and the browser.



$ git clone git://


Run the osc-web server on your localhost:

$ cd osc-web
$ node osc-web-server.js

Now open the client:

$ firefox test-app/test-app.html

Related Solutions

  • npTuioClient: a NPAPI plugin implementing a TUIOClient clone
  • PookyTouch: similar to npTuioClient using Java-JS LiveConnect bridge
  • lily’s approach: some good notes. also uses LiveConnect
  • MaxJax: OSC bridge using Python Twisted (just sending OSC)