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Mesmerising Images

Audio analysis on a GSM display

Mesmerising Images
Most people know of the visualisations in Winamp, Windows Media Player, XMMS and similar programs. They show hypnotising and colourful effects that react to the music. There's one disadvantage: they only work on a computer. This is something we're about to change! Using a powerful ARM chip and an old GSM display, in this article we'll be making a standalone version. With the right ‘plug-in’ it can also function as a real-time spectrum analyser.
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