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Method for three-dimensional position calibration of audio sensors and actuators on a distributed computing platform

  • US 20050065740A1
  • Filed: 09/18/2003
  • Published: 03/24/2005
  • Est. Priority Date: 09/18/2003
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • generating an acoustic signal from an actuator of a first computing device;

    receiving the acoustic signal with a sensor of a second computing device;

    receiving the acoustic signal with a sensor of a third computing device;

    generating an estimate of a difference between the amount of time required for the acoustic signal to travel from the actuator of the first computing device to the sensor of the second computing device and the amount of time required for the acoustic signal to travel from the actuator of the first computing device to the sensor of the third computing device, wherein the sensors and actuator are unsynchronized; and

    computing, based on the estimated difference in time, a physical location of at least one of a set including the sensor of the third computing device, the sensor of the second computing device, and the actuator of the first computing device.

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