Invention Grant
US08238567B2 Personal acoustic device position determination 有权
个人声学设备位置确定

Personal acoustic device position determination
Abstract:
A apparatus and method for determining an operating state of an earpiece of a personal acoustic device and/or the entirety of the personal acoustic device by analyzing signals output by at least an inner microphone disposed within a cavity of a casing of the earpiece and an outer microphone disposed on the personal acoustic device in a manner acoustically coupling it to the environment outside the casing of the earpiece.
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