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sound follower

kalshagar - Sound follower

Theory


3 microphones, on a disc, 120 degrees apart. You measure precisely the small time difference between when the sound reaches the microphones, this gives you a direction.

Doc and links

All content on this site is shared under the MIT licence (do what u want, don't sue me, hat tip appreciated)
electrogeek.cc ~ Formerly known as Kalshagar.wikispaces.com (AlanFromJapan [2009 - 2019])