CPC H04R 25/654 (2013.01) [B33Y 50/00 (2014.12); B33Y 80/00 (2014.12); Y10T 29/49005 (2015.01)] | 11 Claims |
1. An earphone, comprising:
an ambient sound microphone, wherein the ambient sound microphone measures an acoustic environment on an ambient side of an earphone;
an internal microphone, wherein the internal microphone measures an acoustic environment on an ear canal side of the earphone;
a stent designed to accept a removable eartip;
a channel that passes through the earphone from the ambient side to the ear canal side of the earphone;
a membrane, wherein the membrane obstructs the channel and is attached to a portion of the earphone, wherein the membrane is stressed prior to attachment, wherein the membrane is designed to provide a frequency dependent attenuation profile across the membrane;
a speaker;
a memory; and a
a processor.
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