# US 11,908,442 B2 · Selective audio isolation from body generated sound system and method

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- Number: US 11,908,442 B2
- Document ID: US11908442B2
- Status: Granted
- Kind: B2
- Application number: 17/879,319
- Filed: 2022-08-02
- Published: 2022-11-24
- Granted: 2024-02-20
- Earliest claimed: 2016-11-03
- Assignees: BRAGI GmbH
- Applicants: BRAGI GmbH
- Inventors: Peter Vincent Boesen
- Web page: https://patentgrep.com/patent/US11908442B2

## CPC

- G10K 11/178: by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K 11/1781: {characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions}
- H04R 1/1083: {Reduction of ambient noise (active noise reduction per se G10K11/175; protective devices for the ear, e.g. providing acoustic protection A61F11/06)}
- G10K 2210/1081: Earphones, e.g. for telephones, ear protectors or headsets
- G10K 2210/3028: Filtering, e.g. Kalman filters or special analogue or digital filters
- G10K 2210/3045: Multiple acoustic inputs, single acoustic output
- H04R 1/1016: {Earpieces of the intra-aural type}
- H04R 1/1041: {Mechanical or electronic switches, or control elements (switches in general H01H)}
- H04R 2201/107: Monophonic and stereophonic headphones with microphone for two-way hands free communication
- H04R 2420/07: Applications of wireless loudspeakers or wireless microphones
- H04R 2460/01: Hearing devices using active noise cancellation
- H04R 2460/13: Hearing devices using bone conduction transducers
- G10K: SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K)

## Abstract

A wireless earpiece includes a wireless earpiece housing, a processor disposed within the wireless earpiece housing, at least one microphone operatively connected to the processor, and at least one speaker operatively connected to the processor. The processor is configured to receive audio from the at least one microphone, perform processing of the audio to provide processed audio, and output the processed audio to the at least one speaker. The processing of the audio involves identifying body generated sounds generated by a body of a user of the wireless earpiece and removing the body generated sounds.

## Claims

### Claim 1

A wireless earpiece comprising:
a wireless earpiece housing;
a processor disposed within the wireless earpiece housing;
a plurality of microphones operatively connected to the processor;
at least one speaker operatively connected to the processor;
wherein the processor is configured to receive audio from the plurality of microphones, perform processing of the audio to provide processed audio, and output the processed audio to the at least one speaker;
wherein the processing of the audio comprises identifying body generated sounds generated by a body of a user of the wireless earpiece and removing the body generated sounds from environmental audio detected by the plurality of microphones;
wherein the identifying body generated sounds generated by the body of the user of the wireless earpiece is performed based on comparing the audio with a training set of body generated sounds.

### Claim 2 (depends on 1)

The wireless earpiece of claim 1 wherein the removing the body generated sounds is performed by superimposing a cancellation signal to the audio.

### Claim 3 (depends on 1)

The wireless earpiece of claim 1 wherein the removing the body generated sounds is performed by filtering the body generated sounds from the audio.

### Claim 4 (depends on 1)

The wireless earpiece of claim 1 wherein the body generated sounds comprise at least one of a click or a pop generated by movement of a temporomandibular joint of the user.

### Claim 5 (depends on 1)

The wireless earpiece of claim 1 wherein the body generated sounds comprise sounds generated by movement of the user.

### Claim 6 (depends on 1)

The wireless earpiece of claim 1 wherein the body generated sound comprises sounds generated by items worn by the user as the user moves.

### Claim 7 (depends on 1)

The wireless earpiece of claim 1 wherein the processor is further configured to receive the audio from one or more microphones of a second wireless earpieces in operative communication with the wireless earpiece.

### Claim 8 (depends on 1)

The wireless earpiece of claim 1 wherein the processor is further configured to receive the audio from one or more microphones of a second wireless earpieces in operative communication with the wireless earpiece.

### Claim 9

A method of removing body generated sounds by an earpiece comprising:
providing the earpiece, the earpiece comprising a wireless earpiece housing, a processor disposed within the wireless earpiece housing, a plurality of microphones operatively connected to the processor and at least one speaker operatively connected to the processor, wherein the processor is configured to receive audio from the plurality of microphones, perform processing on the audio to provide processed audio, and output the processed audio to the at least one speaker, wherein the identifying body generated sounds generated by the body of the user of the wireless earpiece is performed based on comparing the audio with a training set of body generated sounds;
receiving audio from the plurality of microphones at the processor;
performing processing on the audio to provide processed audio, wherein the processing of the audio comprises identifying body generated sounds generated by a body of a user of the wireless earpiece and removing the body generated sounds from environmental audio detected by the plurality of microphones; and
outputting the processed audio to the at least one speaker of the wireless earpiece.

### Claim 10 (depends on 9)

The method of claim 9 wherein the plurality of microphones include an air microphone and a bone microphone.

### Claim 11 (depends on 9)

The method of claim 9 wherein the removing the body generated sounds is performed using active noise cancellation.

### Claim 12 (depends on 9)

The method of claim 9 wherein the removing the body generated sounds is performed by filtering.

### Claim 13 (depends on 9)

The method of claim 9 wherein the body generated sounds comprise at least one of a click or a pop generated by movement of a temporomandibular joint of the user.

### Claim 14 (depends on 9)

The method of claim 9 wherein the body generated sounds comprise sounds generated by movement of the user.

### Claim 15 (depends on 9)

The method of claim 9 wherein the body generated sound comprises sounds generated by items worn by the user as the user moves.
