| CPC H04R 1/1041 (2013.01) [G06F 3/165 (2013.01); H04R 3/00 (2013.01); H04R 1/1008 (2013.01); H04R 1/1058 (2013.01); H04R 5/033 (2013.01); H04R 2420/09 (2013.01); H04R 2430/01 (2013.01)] | 18 Claims |

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15. A system comprising:
a headset comprising an ear cup; and
non-transitory machine readable storage having code stored thereon, wherein:
the ear cup comprises a foam ring,
the foam ring comprises a hollow area that extends between a perimeter of the foam ring and a center space defined by the foam ring wherein when code is executed by a computing device, and
the computing device is configured to determine whether eyewear is worn by a user of the headset, and
the computing device is operable to determine, according to acoustic waves captured by one or more microphones, whether the hollow area receives foam.
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