Shure Acquisition Holdings, Inc.

Mark Gilbert

Brent Robert Shumard

David Grant Cason

Roger Stephen Grinnip, Iii

Gregory H Canfield

Richard J Santiago

Emily Ann Wigley

Alan J Usdrowski

Steven S Smith

A wireless audio system configured to perform an acoustic ranging operation is disclosed. The audio system comprises an audio transmitter, and audio receiver, and is configured to determine a distance between the audio transmitter and the audio receiver.

Acoustic distance ranging system

Embodiments include a microphone array comprising a first plurality of directional microphone elements arranged in a first cluster formed by directing a front face of said microphone elements towards a center of the first cluster, and a second plurality of directional microphone elements arranged in a second cluster formed by directing a front face of said elements away from a center of the second cluster, wherein the first cluster is disposed vertically above the second cluster. Also provided is a microphone comprising a first microphone array comprising a plurality of directional microphone elements arranged in close proximity to each other and configured to capture near-field sounds within a first range of frequencies, and a second microphone array disposed concentrically around the first microphone array, the second array comprising a plurality of omnidirectional microphone elements configured to capture near-field sounds within a second range of frequencies higher than the first range.

Proximity microphone

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Palatine, IL, United States of America

Mark Gilbert