Patent ID: 8472640
Filing Date: 2013-06-25
Classification: H04M,H04R

Abstract:
1. An elevated toroid microphone comprising: a first microphone element assembly including a first microphone element arranged adjacent to a supporting surface and a first filter connected to the first microphone element, the first filter having a frequency response H a second microphone element assembly including a second microphone element arranged a predetermined distance d from the supporting surface and a second filter connected to the second microphone element, the second filter having a frequency response H a third microphone element assembly including a third microphone element arranged at twice the predetermined distance d from the supporting surface and a third filter connected to the third microphone element, the third filter having a frequency response H an adder configured to combine outputs of the first, second and third microphone assemblies into an adder output; and an equalizer configured to generate an equalized output in response to the adder output, wherein a combination of H