Science presenter Steve Mould takes a deep dive into the world of acoustic cameras and show how they visualize sound. Put simply, a normal camera sees light, while an acoustic camera consists of a group of microphones from which signals are simultaneously collected and processed to visualize the location of the sound sources.
The sound collected by the acoustic camera’s microphone array are processed by software that visualizes it on the device. What can this be used for? Sound localization to find out where the source of non-compliant sounds are coming from or monitoring in cities as well as other busy areas. One place where you may have seen acoustic cameras in-action are at smart stadiums to interact with fans attending the event. One caveat: a basic acoustic camera will set you back at least $5,000 USD new or slightly less if used.
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