Patent ID: 9099094
Filing Date: 2015-08-04
Classification: G10L,H04R

Abstract:
1. A device comprising: a headset including a housing; a loudspeaker connected to the housing; a first microphone connected to a first side of the housing, the housing having a first front vent opening configured to provide the first microphone with access to speech, the first microphone having a first rear port configured to receive a first pressure in response to a source signal; a second microphone connected to a second side of the housing, the housing having a second front vent opening configured to provide the second microphone with access to speech, the second microphone having a second rear port configured to receive a second pressure in response to the source signal, the first pressure being substantially equal to the second pressure; a shared-vent configuration positioned in an interior region of the housing and including a vent cavity that forms a common rear port of the first microphone and the second microphone, the vent cavity having a volume that is small relative to a wavelength of acoustic signals received by the first and second microphones; and an adaptive filter configured to receive a first signal from the first microphone and a second signal from the second microphone.