Patent ID: 7929376

Claim:
A method for identifying a component breakdown of noise from a noise source, the method comprising: receiving noise data for the noise source from an array of sound sensors on a ground plane; selecting a measurement point of interest; selecting a candidate sound source point located along an axis; identifying array aperture angle; identifying a first bounding ray trace and a second bounding ray trace from a ray trace extending from the candidate sound source point towards the measurement point of interest using the array aperture angle; rotating the first bounding ray trace and the second bounding ray trace around the axis to form a first surface and a second surface; identifying a first curve from an intersection of the first surface with the ground plane; identifying a second curve from an intersection of the second surface with the ground plane; and selecting a set of sound sensors from the array of sound sensors using the first curve and the second curve to form a subarray; and identifying the component breakdown of the noise generated by the noise source using a portion of the noise data from sound sensors in the subarray.