Patent ID: 8325959

Claim:
A microphone assembly comprising: a housing including a plurality of openings, a plurality of cavities, and a plurality of tubes, the plurality of openings including at least first, second, and third openings and the plurality of cavities including at least first and second enlarged cavities each of which is in communication with at least one of the first, second, and third openings via the tubes; and at least one microphone element separating the first and second cavities, wherein sound waves are received in the first, second, and third openings and directed into the cavities and received by the microphone element, and wherein at least one of the cavities is connected via one or more of the tubes to a single one of the openings; wherein the plurality of tubes includes first, second, and third tubes, and wherein the first tube is in communication with the first opening, the second tube is in communication with the second opening, the third tube is in communication with the third opening, and the housing further comprises a fourth tube in communication with a fourth opening, and wherein the first cavity and second cavity are separated by a first microphone element, and the third tube is in communication with a third cavity and the fourth tube is in communication with a fourth cavity, and wherein the third cavity and fourth cavity are separated by a second microphone element.