公开(公告)号：US20240155301A1

公开(公告)日：2024-05-09

申请号：US17981192

申请日：2022-11-04

Applicant: GN Audio A/S

Inventor： Bolaji James ADESOKAN ,  Allan Mejlgren VON BÜLOW

IPC: H04R29/00 ,  G10L25/84 ,  H04R3/00

CPC classification number: H04R29/005 ,  G10L25/84 ,  H04R3/005

Abstract: Audio device and method for operating an audio device is disclosed, the audio device. A processor is configured to: obtain a first microphone input signal and a second microphone input signal; process the first microphone input signal and the second microphone input signal for provision of an output signal; and output the output signal, then obtain a first microphone signal and a second microphone signal; determine a gain compensation scheme based on the first microphone signal and the second microphone signal; and compensate a gain of the microphone signals; wherein to determine the gain compensation scheme comprises to: apply a plurality of test compensation schemes to the first microphone signal and the second microphone signal; determine a performance parameter for each of the test compensation schemes; and select the gain compensation scheme based on the performance parameters.

公开(公告)号：US20230097305A1

公开(公告)日：2023-03-30

申请号：US17936029

申请日：2022-09-28

Applicant: GN Audio A/S

Inventor： Bolaji James ADESOKAN ,  Allan Mejlgren VON BÜLOW

IPC: H04R29/00 ,  H04R3/00 ,  H04R1/40 ,  G06F3/16 ,  G10L25/84

Abstract: Audio device and method for operating an audio device is disclosed, the audio device comprising an interface, memory, and a processor, wherein the processor is configured to: obtain a first microphone input signal and a second microphone input signal; process the first microphone input signal and the second microphone input signal for provision of an output signal; and output the output signal. To obtain the first microphone input signal and the second microphone input signal comprises to: obtain a first microphone signal and a second microphone signal; determine a gain compensation scheme based on the first microphone signal and the second microphone signal; and compensate a gain of one or both of the first microphone signal and the second microphone signal in accordance with the gain compensation scheme for provision of the first microphone input signal and the second microphone input signal; wherein to determine the gain compensation scheme comprises to: apply a plurality of test compensation schemes to the first microphone signal and the second microphone signal; determine a performance parameter for each of the test compensation schemes; and select the gain compensation scheme based on the performance parameters.

公开(公告)号：US20230101635A1

公开(公告)日：2023-03-30

申请号：US17936040

申请日：2022-09-28

Applicant: GN Audio A/S

Inventor： Bolaji James ADESOKAN ,  Allan Mejlgren VON BÜLOW

IPC: G10L21/0208 ,  H04R3/00 ,  G10K11/16 ,  G10L15/02

Abstract: An audio device comprising an interface, memory, and a processor is disclosed. A first microphone input signal and a second microphone input signal is processed for provision of an output audio signal; and output the output audio signal, wherein to process the microphone signals determine a first distractor indicator based on features associated with the input signals; determine a first distractor attenuation parameter based on the first distractor indicator; determine a second distractor indicator based on one or more features associated with the first microphone input signal and the second microphone input signal; determine a second distractor attenuation parameter based on the second distractor indicator; determine an attenuator gain based on the first distractor attenuation parameter and the second gain compensation parameter; and apply a noise suppression scheme to a first beamforming output signal according to the attenuator gain for provision of the output audio signal.

公开(公告)号：US20230098384A1

公开(公告)日：2023-03-30

申请号：US17936017

申请日：2022-09-28

Applicant: GN Audio A/S

Inventor： Bolaji James ADESOKAN ,  Allan Mejlgren VON BÜLOW

IPC: H04R1/40

Abstract: An audio device is disclosed, the audio device comprising an interface, memory, and a processor, wherein the processor is configured according to any of the following: obtain a first microphone input signal and a second microphone input signal; process the first microphone input signal and the second microphone input signal for provision of an output audio signal; and output the output audio signal. Processing of the input signals includes determine a first set of covariance parameters and a second set of covariance parameters; determine a first beamforming; apply the first beamforming to the first microphone input signal and the second microphone input signal; determine a second beamforming; apply the second beamforming to the first microphone input signal and the second microphone input signal; and provide the output audio signal based on first beamforming output signal and/or second beamforming output signal.