This video appeared in Electronic Design and has been published here with permission.
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What do you do when you're driving and hear a siren from an ambulance or fire truck? Look around to see where it is so you can adjust your driving accordingly?
Well, Infineon's Scott Winder, Lead Principle Applications Engineer, demonstrates the advantage of the XENSIV MEMS microphone arrays. The array is used to detect a siren or alarm with respect to a vehicle, allowing the driver to know what direction the sound is coming from (see figure).