How-to: Hacking RjDj with PD


RjDj is a sound application for the Apple iPhone and iPod Touch* that allows users to access “scenes” that transform sound that comes in through the microphone and allows additional tweakage via the the iPhone’s accelerometer and touch screen. But did you know that RjDj’s scenes are made with PD (PureData), a free, open-source multimedia programming environment that uses a visual patch cable-style interface to create interactive applications for audio and multimedia? Yup. This makes RjDj scenes incredibly hackable, and it also makes it very easy to port RjDj scenes that you’ve made to other platforms. Because RjDj is built with PD under the hood, it isn′t difficult to modify the scenes that come bundled with RjDj, and with a little PD know-how, you can also create scenes from scratch (see my video below). Read on to see how.
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Original post by Mike Dixon