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I post con tag "Dischi" archivio

Il suono degli anelli di accrescimento di un albero

Multimedia   25.11.17  

Bartholomäus Traubeck, per il suo progetto Years, ha modificato un giradischi per suonare dischi di legno ricavati da sezioni trasversali degli alberi analizzando gli anelli di accrescimento della pianta.

A tree's year rings are analysed for their strength, thickness and rate of growth. This data serves as basis for a generative process that outputs piano music. It is mapped to a scale which is again defined by the overall appearance of the wood (ranging from dark to light and from strong texture to light texture). The foundation for the music is certainly found in the defined ruleset of programming and hardware setup, but the data acquired from every tree interprets this ruleset very differently.

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Il disco di legno

Multimedia   08.05.13  

Un disco di legno

Il disco di legno inciso al laser che suona davvero, realizzato da Amanda Ghassaei.

These records were cut on an Epilog 120 Watt Legend EXT to a theoretical precision of 1200dpi (the kerf of the cut and some tricks I used to avoid crashing the laser cutter dropped the actual precision down by ~1/6). The audio on the records has a bit depth between 4-5 (typical mp3 audio is 16 bit) and a sampling rate up to about 4.5kHz (mp3 is 44.1kHz). So far I've successfully cut audio on wood (figs 1-2), acrylic (figs 3-4), and paper (figs 5-6), and I'm sure there are many more materials that would work.

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