Back to results
US 11,689,836 B2Granted
Earloop microphone
AssigneePlantronics, Inc.
InventorsJacob T. Meyberg Guzman, John A. Kelley, Nicholas W. Paterson, Iain McNeill
Life of this patent
Estimating the term…
Abstract
A headset implements an earloop microphone and includes a housing. An earloop of the headset secures the headset to an ear of a user. A first microphone is acoustically coupled to a first opening in the housing. A second microphone is acoustically coupled to a second opening in the housing. A third microphone is acoustically coupled to a third opening in the earloop.
Claims20
A method comprising:
- receiving a first audio signal from a first microphone acoustically coupled to a first opening in a headset;
- receiving a second audio signal from a second microphone acoustically coupled to a second opening in the headset, wherein the second opening and the first opening are separated by a first spacing, wherein the first spacing creates first phase and amplitude differences between the second audio signal and the first audio signal, and wherein the first opening and the second opening form a line pointing towards a mouth of a user of the headset;
- receiving a third audio signal from a third microphone acoustically coupled to a third opening in an earloop of the headset, wherein the third opening and the second opening are separated by a second spacing and wherein the second spacing creates second phase and amplitude differences between the third audio signal and the first audio signal, wherein the third opening is located at a distal end of the earloop;
- identifying a source signal using the first phase and amplitude differences and the second phase and amplitude differences;
- and
- applying a gain to amplify the source signal comprising speech of the user.
3 more elements
An apparatus comprising:
- an earloop;
- a processor;
- a memory connected to the processor;
- a first microphone acoustically coupled to a first opening;
- a second microphone acoustically coupled to a second opening, wherein the first opening and the second opening form a line pointing towards a mouth of a user of a headset;
- a third microphone acoustically coupled to a third opening in the earloop, wherein the third opening is located at a distal end of the earloop;
- program code stored on the memory that, when executed by the processor, is configured for:
- receiving a first audio signal from a first microphone acoustically coupled to a first opening in the headset;
- receiving a second audio signal from a second microphone acoustically coupled to a second opening in the headset, wherein the second opening and the first opening are separated by a first spacing and wherein the first spacing creates first phase and amplitude differences between the second audio signal and the first audio signal;
- receiving a third audio signal from a third microphone acoustically coupled to a third opening in an earloop of the headset, wherein the third opening and the second opening are separated by a second spacing and wherein the second spacing creates second phase and amplitude differences between the third audio signal and the first audio signal;
- identifying a source signal using the first phase and amplitude differences and the second phase and amplitude differences;
- and
- applying a gain to amplify the source signal comprising speech of the user.
10 more elements
A headset comprising:
- a housing;
- an earloop to secure the headset to an ear of a user;
- a first microphone acoustically coupled to a first opening in the housing;
- a second microphone acoustically coupled to a second opening in the housing, wherein the first opening and the second opening form a line pointing towards a mouth of a user of the headset;
- and
- a third microphone acoustically coupled to a third opening in the earloop, wherein the third opening is located at a distal end of the earloop.
3 more elements
Dependencies are inferred from the claim text.