In order to explore the current limits of 3D printing technology, I’ve created a technique for converting digital audio files into 3D-printable, 33rpm records and printed a few functional prototypes that play on ordinary record players. Though the audio quality is low -the records have a sampling rate of 11kHz (a quarter of typical mp3 audio) and 5-6 bit resolution (less than one thousandth of typical 16 bit resolution)- the songs are still easily recognizable, watch the video above to see the process and hear what the records sound like. Also check out my laser cut records, made on wood, paper, and acrylic.
(…weiter auf instructables.com)
The needle drops and a series of high, repetitive whines come from the album. Then a crackling sound, and a muffled guitar riff. Finally, Kurt Cobain’s voice – audible, but distant and hollow, like he is singing in a tunnel with a scarf over his mouth.
(Quelle: Youtube / WIRED)