18 Jan '13, 1pm

3D Printers Give New Life to Old Audio Recordings

Decay they did -- until the research team from LBL got hold of them. They brought them back to life through restoration and were able to play the recordings 125 years after they were made. To accomplish this, the team employed the use of a 3D scanner, known as IRENE (Image Reconstruct Erase Noise ETC), to non-invasively scan the discs and create a high-resolution image. They then processed the digital image, which pieces together the damaged disc and removes any errors (from wear and physical damage) after which specialized software calculates and recreates the engraving method (in this case a stylus used to etch the glass/wax) to reproduce the audio into a digitized format. The team was successful at recovering the audio from six Volta Graphophone discs and is looking to restore and preserve a host of early recordings from the Library of Congress. While giving new life to...

Full article: http://www.designnews.com/author.asp?section_id=1394&doc_...

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