4 ms·
The modern version of this utilizes an array or grid of microphones with synchronized clocks, and is quite effective in locating gunfire. The most famous manuf
by samcheng 8y ago
The modern version of this utilizes an array or grid of microphones with synchronized clocks, and is quite effective in locating gunfire.
The most famous manufacturer is "ShotSpotter."
https://en.wikipedia.org/wiki/Gunfire_locator https://en.wikipedia.org/wiki/Gunfire_locator
- jcims 8y ago‘Acoustic camera’ seems to be the marketing term used for such products. Searching for this on YouTube will yield all manner of examples. The size of the device will dictate range and frequency response, there’s a neat study of elephants with one here: https://youtu.be/Xl7LnAob2T8 https://youtu.be/Xl7LnAob2T8 One thing that I think is interesting is that you could record a setting with one of these contraptions (eg party, train station) and go back later to do beamforming in software to zero in on specific conversations.