Jun 22, 2022
Newly developed optical microphone sees sound like never before
Posted by Saúl Morales Rodriguéz in categories: media & arts, robotics/AI
A camera system developed by Carnegie Mellon University researchers can see sound vibrations with such precision and detail that it can reconstruct the music of a single instrument in a band or orchestra.
Even the most high-powered and directed microphones can’t eliminate nearby sounds, ambient noise and the effect of acoustics when they capture audio. The novel system developed in the School of Computer Science’s Robotics Institute (RI) uses two cameras and a laser to sense high-speed, low-amplitude surface vibrations. These vibrations can be used to reconstruct sound, capturing isolated audio without inference or a microphone.
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