KR20170084054A - 저 레이턴시를 가지는 음향 프로세서 - Google Patents

저 레이턴시를 가지는 음향 프로세서 Download PDF

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Publication number
KR20170084054A
KR20170084054A KR1020177011938A KR20177011938A KR20170084054A KR 20170084054 A KR20170084054 A KR 20170084054A KR 1020177011938 A KR1020177011938 A KR 1020177011938A KR 20177011938 A KR20177011938 A KR 20177011938A KR 20170084054 A KR20170084054 A KR 20170084054A
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KR
South Korea
Prior art keywords
rate
digital
audio signal
signal
sensor
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KR1020177011938A
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English (en)
Korean (ko)
Inventor
아밋 쿠마르
토마스 이르강
수동 자오
Original Assignee
아브네라 코포레이션
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Publication of KR20170084054A publication Critical patent/KR20170084054A/ko

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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17821—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
    • G10K11/17827—Desired external signals, e.g. pass-through audio such as music or speech
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17855—Methods, e.g. algorithms; Devices for improving speed or power requirements
    • G10K11/1788—
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1784—
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3051—Sampling, e.g. variable rate, synchronous, decimated or interpolated

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Circuit For Audible Band Transducer (AREA)
KR1020177011938A 2014-09-30 2015-09-30 저 레이턴시를 가지는 음향 프로세서 KR20170084054A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462057481P 2014-09-30 2014-09-30
US62/057,481 2014-09-30
US201414553644A 2014-11-25 2014-11-25
US14/553,644 2014-11-25
PCT/US2015/053187 WO2016054186A1 (en) 2014-09-30 2015-09-30 Acoustic processor having low latency

Publications (1)

Publication Number Publication Date
KR20170084054A true KR20170084054A (ko) 2017-07-19

Family

ID=54337376

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020177011938A KR20170084054A (ko) 2014-09-30 2015-09-30 저 레이턴시를 가지는 음향 프로세서

Country Status (6)

Country Link
EP (1) EP3201911B1 (de)
JP (1) JP2017530413A (de)
KR (1) KR20170084054A (de)
CN (1) CN107112003B (de)
TW (2) TWI672689B (de)
WO (1) WO2016054186A1 (de)

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JP5937611B2 (ja) 2010-12-03 2016-06-22 シラス ロジック、インコーポレイテッド パーソナルオーディオデバイスにおける適応ノイズキャンセラの監視制御
US9824677B2 (en) 2011-06-03 2017-11-21 Cirrus Logic, Inc. Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC)
US9318094B2 (en) 2011-06-03 2016-04-19 Cirrus Logic, Inc. Adaptive noise canceling architecture for a personal audio device
US8958571B2 (en) 2011-06-03 2015-02-17 Cirrus Logic, Inc. MIC covering detection in personal audio devices
US9123321B2 (en) 2012-05-10 2015-09-01 Cirrus Logic, Inc. Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling system
US9318090B2 (en) 2012-05-10 2016-04-19 Cirrus Logic, Inc. Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system
US9532139B1 (en) 2012-09-14 2016-12-27 Cirrus Logic, Inc. Dual-microphone frequency amplitude response self-calibration
US9414150B2 (en) 2013-03-14 2016-08-09 Cirrus Logic, Inc. Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device
US9666176B2 (en) 2013-09-13 2017-05-30 Cirrus Logic, Inc. Systems and methods for adaptive noise cancellation by adaptively shaping internal white noise to train a secondary path
US9620101B1 (en) 2013-10-08 2017-04-11 Cirrus Logic, Inc. Systems and methods for maintaining playback fidelity in an audio system with adaptive noise cancellation
US10219071B2 (en) 2013-12-10 2019-02-26 Cirrus Logic, Inc. Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation
US9478212B1 (en) 2014-09-03 2016-10-25 Cirrus Logic, Inc. Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device
GB2541977B (en) * 2015-07-21 2019-05-15 Cirrus Logic Int Semiconductor Ltd Hybrid finite impulse response filter
KR102688257B1 (ko) 2015-08-20 2024-07-26 시러스 로직 인터내셔널 세미컨덕터 리미티드 피드백 적응적 잡음 소거(anc) 제어기 및 고정 응답 필터에 의해 부분적으로 제공되는 피드백 응답을 갖는 방법
US10013966B2 (en) 2016-03-15 2018-07-03 Cirrus Logic, Inc. Systems and methods for adaptive active noise cancellation for multiple-driver personal audio device
JP6999187B2 (ja) 2016-09-16 2022-01-18 エイブイエイトロニクス・エスエイ ヘッドホンのためのアクティブノイズ消去システム
JP7163300B2 (ja) * 2017-03-09 2022-10-31 アバネラ コーポレイション リアルタイム音響プロセッサ
US10580398B2 (en) 2017-03-30 2020-03-03 Bose Corporation Parallel compensation in active noise reduction devices
US10614790B2 (en) 2017-03-30 2020-04-07 Bose Corporation Automatic gain control in an active noise reduction (ANR) signal flow path
US10553195B2 (en) 2017-03-30 2020-02-04 Bose Corporation Dynamic compensation in active noise reduction devices
CN110720121B (zh) * 2017-03-30 2024-04-30 伯斯有限公司 主动降噪设备中的补偿和自动增益控制
CN111566934B (zh) * 2017-10-31 2024-04-09 谷歌有限责任公司 低延迟抽取滤波器和内插器滤波器
CN108419162B (zh) * 2018-02-09 2024-10-01 万魔声学股份有限公司 主动降噪方法、主动降噪装置和降噪耳机
US11223891B2 (en) * 2020-02-19 2022-01-11 xMEMS Labs, Inc. System and method thereof
TWI797577B (zh) 2020-03-13 2023-04-01 弗勞恩霍夫爾協會 用於渲染包括離散曲面的一聲音場景的設備及方法
EP4118524A1 (de) * 2020-03-13 2023-01-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur wiedergabe einer tonszene unter verwendung von pipelinestufen

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Also Published As

Publication number Publication date
EP3201911B1 (de) 2024-06-05
EP3201911A1 (de) 2017-08-09
CN107112003A (zh) 2017-08-29
WO2016054186A1 (en) 2016-04-07
TW201944390A (zh) 2019-11-16
CN107112003B (zh) 2021-11-19
TW201626361A (zh) 2016-07-16
TWI672689B (zh) 2019-09-21
TWI734176B (zh) 2021-07-21
JP2017530413A (ja) 2017-10-12

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