Hacked Turntable Plays a Tree’s Rings Instead of Records


Hackaday

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Here’s another one of those crazy, weird, artsy-style hacks. Somebody decided to see what tree rings sound like by making this rather unorthodox turntable.

All things considered, the cross-section of a tree trunk does kind of resemble a vinyl record. [Bartholomäus Traubeck] noticed this and decided to see what would happen if you could listen to it.

Of course… it’s not quite that simple. When you cut a slice of wood, you’re not leaving any grooves in the rings, so you can’t just throw it on a slightly modified record player. What [Traubeck] had to do was engineer a record player with a Playstation Eye camera strapped to the end of the arm — simple image recognition software creates a signal based on the pattern of the rings, knots, and other imperfections in the wood. This is then filtered into a program called Albeton Live, and converted into a very…

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