Patent ID: 9549270
Date: 2017-01-17
CPC Classifications: H04R

Claim:
1. A method for providing audio to one or more persons in an operating room, comprising: identifying a first location in the operating room associated with a first person; configuring an ultrasonic sound transducer array at a second location in the operating room to focus a first ultrasonic sound at the first location; receiving a noise signal from a microphone located adjacent to the first location; and transmitting, using the ultrasonic sound transducer array, the first ultrasonic sound at the first location, wherein a sound level of the first ultrasonic sound at the first location exceeds a sound level of the first ultrasonic sound outside of the first location in the operating room; wherein transmitting the first ultrasonic sound comprises adjusting the first ultrasonic sound to at least partially cancel the noise signal.