Open Sound Control (http://opensoundcontrol.org) is a communication standard among computers, audio synthesizers, and multimedia devices within a computer network. Pure Data supports the Open Sound Control (OSC) protocol through a library mrpeach
packaged within the pd-extended software.
With the gaining popularity of multi-touch technology, it is common to use the versatile multi-touch devices to control the operation of the host software, in applications such as audio-visual performance, and multimedia display. Information exchange among the multi-touch devices use another protocol, TUIO (http://www.tuio.org), and the one that is based on the OSC. For example, we can use an iPhone to control the animation within a GEM window in a host computer running Pure Data. This is the method that we are going to explore.
The first thing is to download a free iPhone app that supports TUIO. One of the choices is the TUIOpad (http://code.google.com/p/tuiopad...