Friday, January 4, 2013

Vinyl's return? Audio files printed onto playable record

10 hrs.

In a bid to test the limits of 3-D printing technology, an audio tinkerer created a technique to convert digital audio files into a record that works on a?turntable. The sound quality is scratchy, but should improve with advances in the printing technology.

The 3-D printed record was created by Amanda Ghassaei, a tech editor at the project-sharing website Instructables.com.?

The technique "works by importing raw audio data, performing some calculations to generate the geometry of a record, and eventually exporting this geometry straight to a 3-D printable format," she explained in an article for Instructables.com.?

She used a resin printer called Object Connex500, which has some of the highest resolution for 3-D printing. Like other 3-D printers, it creates an object layer by layer. You can listen to a few tracks from the record here, including Nirvana?s "Smells like Teen Spirit."

Even though the sound quality is an order of magnitude lower than a vinyl record, Ghassaei notes that we?re able to hear the song because evolution has?fine-tuned our brains to filter out noise and focus on the important pieces of information.

For more information on the project, check out Ghassaei?s website and her article on Instructables.com.?

????Via Discovery News?and?Gizmag?

John Roach is a contributing writer for NBC News Digital. To learn more about him, check out his website. For more of our Future of Technology series, watch the featured video below.

Source: http://www.nbcnews.com/technology/futureoftech/digital-audio-files-converted-3-d-printed-record-1B7818051

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