公开(公告)号：US12167211B2

公开(公告)日：2024-12-10

申请号：US17940805

申请日：2022-09-08

Applicant: GoPro, Inc.

Inventor： Erich Tisch ,  Eric Steven Penrod ,  Timothy Dick ,  Mark Hardin ,  Hakim Mesiwala

IPC: H04R3/00 ,  H04R1/02 ,  H04R1/40 ,  H04R3/04

Abstract: An image capture device reduces noise floor using multiple microphones. The image capture device includes a processor that obtains a front microphone signal from a front microphone, the front microphone signal having a noisy noise floor portion, obtains a rear microphone signal from a rear microphone, sets a splice point based on mitigation of the noisy noise floor portion relative to a speech frequency range, and combines a substantially clean noise floor portion of the rear microphone signal at or below the splice point with a remaining portion of the front microphone signal above the splice point to generate a microphone signal.

公开(公告)号：US20240089653A1

公开(公告)日：2024-03-14

申请号：US17940805

申请日：2022-09-08

Applicant: GoPro, Inc.

Inventor： Erich Tisch ,  Eric Steven Penrod ,  Timothy Dick ,  Mark Hardin ,  Hakim Mesiwala

IPC: H04R3/00 ,  H04R1/02 ,  H04R1/40 ,  H04R3/04

CPC classification number: H04R3/005 ,  H04R1/028 ,  H04R1/406 ,  H04R3/04 ,  H04R2410/01 ,  H04R2499/11

Abstract: An image capture device reduces noise floor using multiple microphones. The image capture device includes a processor that obtains a front microphone signal from a front microphone, the front microphone signal having a noisy noise floor portion, obtains a rear microphone signal from a rear microphone, sets a splice point based on mitigation of the noisy noise floor portion relative to a speech frequency range, and combines a substantially clean noise floor portion of the rear microphone signal at or below the splice point with a remaining portion of the front microphone signal above the splice point to generate a microphone signal.

公开(公告)号：US20240406652A1

公开(公告)日：2024-12-05

申请号：US18204630

申请日：2023-06-01

Applicant: GoPro, Inc.

Inventor： Hakim Mesiwala ,  Eric Steven Penrod ,  Erich Tisch ,  Mark Hardin ,  Timothy Dick ,  William Edward MacDonald

IPC: H04S7/00 ,  H04R1/02 ,  H04R3/00 ,  H04R5/027 ,  H04S3/00

Abstract: Devices and methods for determining a direction of audio arrival from Ambisonics channels using azimuth and elevation segments is described herein. A method includes generating multiple blocks of samples from Ambisonics signals for a time interval, determining an azimuth angle estimate and an elevation angle estimate for the time interval when a defined number of blocks in the multiple blocks of samples are valid, generating the azimuth angle estimate based on maximum number of azimuth angle estimates present in an azimuth segment amongst a defined number of azimuth segments, and generating the elevation angle estimates based on maximum number of elevation angle estimates present in an elevation segment amongst a defined number of elevation segments, where the direction of arrival of the Ambisonics signals is based on the azimuth angle estimate and the elevation angle estimate.

公开(公告)号：US11356786B2

公开(公告)日：2022-06-07

申请号：US17002131

申请日：2020-08-25

Applicant: GoPro, Inc.

Inventor： Erich Tisch ,  Eric Penrod ,  Mark Hardin ,  Timothy Dick ,  Hakim Mesiwala

IPC: H04R29/00 ,  H04N5/225 ,  H04R1/08

Abstract: An image capture device includes a sensor, a microphone array, and a processor. The microphone array may include a first microphone, a second microphone, a third microphone, or any combination thereof. The first microphone may be configured to face a first direction. The second microphone may be configured to face a second direction. The second direction may be diametrically opposed to the first direction. The third microphone may be configured to face a third direction. The third direction may be substantially perpendicular to the first direction, the second direction, or both. The processor may be configured to determine a microphone capture pattern and detect wind noise. The microphone capture pattern may be determined based on data obtained from the sensor. The sensor data may include image data, audio data, image capture device orientation data, location data, accelerometer data, or any combination thereof.

公开(公告)号：US20210084422A1

公开(公告)日：2021-03-18

申请号：US17002131

申请日：2020-08-25

Applicant: GoPro, Inc.

Inventor： Erich Tisch ,  Eric Penrod ,  Mark Hardin ,  Timothy Dick ,  Hakim Mesiwala

IPC: H04R29/00 ,  H04N5/225 ,  H04R1/08

Abstract: An image capture device includes a sensor, a microphone array, and a processor. The microphone array may include a first microphone, a second microphone, a third microphone, or any combination thereof. The first microphone may be configured to face a first direction. The second microphone may be configured to face a second direction. The second direction may be diametrically opposed to the first direction. The third microphone may be configured to face a third direction. The third direction may be substantially perpendicular to the first direction, the second direction, or both. The processor may be configured to determine a microphone capture pattern and detect wind noise. The microphone capture pattern may be determined based on data obtained from the sensor. The sensor data may include image data, audio data, image capture device orientation data, location data, accelerometer data, or any combination thereof.