01 Jul '16, 8am

1024 “Pixel” Sound Camera Treats Eyes to Real-Time Audio: A few years ago, [Artem] learned about ways to focu...

A few years ago, [Artem] learned about ways to focus sound in an issue of Popular Mechanics. If sound can be focused, he reasoned, it could be focused onto a plane of microphones. Get enough microphones, and you have a ‘sound camera’, with each microphone a single pixel. Movies and TV shows about comic books are now the height of culture, so a device using an array of microphones to produce an image isn’t an interesting demonstration of FFT, signal processing, and high-speed electronic design. It’s a Daredevil camera , and it’s one of the greatest builds we’ve ever seen. [Artem]’s build log isn’t a step-by-step process on how to make a sound camera. Instead, he went through the entire process of building this array of microphones, and like all amazing builds the first step never works. The first prototype was based on a flatbed scanner camera , simply a flatbed scanner in ...

Full article: http://hackaday.com/2016/07/01/1024-pixel-sound-camera-tr...

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