Adjusting audio beamforming settings based on system state

An audio and beam technology, applied in the field of adjusting audio beamforming settings based on system status, can solve problems such as non-optimal effects and different levels of success

Inactive Publication Date: 2015-02-04
APPLE INC
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, different patterns achieve different levels of success for different types of sound, which can lead to non-optimal results

Method used

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  • Adjusting audio beamforming settings based on system state
  • Adjusting audio beamforming settings based on system state
  • Adjusting audio beamforming settings based on system state

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Embodiment Construction

[0018] Various embodiments of the present disclosure are discussed in detail below. While specific embodiments are discussed, it should be understood that this is done for illustration purposes only. A person skilled in the relevant art will recognize that other components and configurations may be used without departing from the spirit and scope of the present disclosure.

[0019] This disclosure addresses a need in the art for improved audio signal processing to isolate sound from background noise. Utilizing the techniques of this disclosure, noise reduction may be improved by adjusting an audio beamforming algorithm based on one or more property values ​​of a computing device. Before returning to a more detailed description of audio beamforming, this disclosure first sets forth the methods that can be used to practice the concepts disclosed herein. figure 1 A discussion of basic general-purpose systems or computing devices in .

[0020] refer to figure 1 , the exemplary...

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Abstract

Audio beamforming is a technique in which sounds received from two or more microphones are combined to isolate a sound from background noise. A variety of audio beamforming spatial patterns exist. The patterns can be fixed or adapted over time, and can even vary by frequency. The different patterns can achieve varying levels of success for different types of sounds. To improve the performance of audio beamforming, a system can select a mode beam pattern based on a detected running application and / or device settings. The system can use the mode beam pattern to configure an audio beamforming algorithm. The configured audio beamforming algorithm can be used to generate processed the audio data from multiple audio signals. The system can then send processed audio data to the running application.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Patent Application No. 61 / 657,624, filed June 8, 2012, entitled "ADJUSTING AUDIO BEAMFORMING SETTINGS BASED ON SYSTEM STATE," which is This application is hereby incorporated by reference in its entirety. technical field [0003] The present disclosure relates to audio beamforming, and more particularly, to adjusting audio beamforming settings based on system status. Background technique [0004] Many applications running on computing devices involve functions that require audio input. Unfortunately, under typical environmental conditions, a single microphone may not be ideal for capturing sounds of interest due to the presence of various background sounds. To address this problem, many computing devices often rely on noise reduction, noise suppression, and / or noise cancellation techniques. A common technique for improving signal-to-noise ratio is audio beamfor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L21/0208
CPCG10L21/0208G10L2021/02166
Inventor A·M·林达尔R·艾萨克
Owner APPLE INC
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