公开(公告)号：US20230396921A1

公开(公告)日：2023-12-07

申请号：US18200262

申请日：2023-05-22

Applicant: APPLE INC.

Inventor： Abhaya Parthy ,  Dipanjan Sen ,  Bonnie W. Tom ,  Jonathan D. Sheaffer ,  Justin D. Crosby ,  Symeon Delikaris Manias ,  Emily A. Wigley

IPC: H04R3/00

CPC classification number: H04R3/005 ,  H04R31/00

Abstract: A multi-radius spherical microphone that includes an inner body defining an inner sphere having an inner radius from a center; a plurality of inner microphones coupled to the inner spherical body and defining an array of inner microphones; an outer body defining an dodecahedron, wherein the inner body and the outer body are concentric about the center; and a plurality of outer microphones coupled to the outer body at respective vertices of the dodecahedron and defining an array of outer microphones, wherein each of the plurality of outer microphones is positioned radially equidistant from the center.