INQUIRER.net: Echoes can reveal the shape of a room

INQUIRER.net Philippine News for Filipinos

Echoes can reveal the shape of a room Jun 17th 2013, 23:13 WASHINGTON—A snap of a finger, a handful of scattered microphones and a computer algorithm are all it takes to create an accurate three-dimensional map of a room, Swiss and US researchers said Monday.   The method, described in the US journal the Proceedings of the National Academy of Sciences, measured the distance between echoes to create maps of both a university lecture room and a cathedral alcove.   With more refinement, the technique could someday lead to better ways of designing concert halls for specific acoustics, aid investigations and even help with crime-scene reconstruction, researchers said.   "Our software can build a 3D map of a simp... Keep on reading: Echoes can reveal the shape of a room Media files: echoes.jpg (image/jpeg)

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