SG11201403493XA - Audio precompensation controller design using a variable set of support loudspeakers - Google Patents

Audio precompensation controller design using a variable set of support loudspeakers

Info

Publication number
SG11201403493XA
SG11201403493XA SG11201403493XA SG11201403493XA SG11201403493XA SG 11201403493X A SG11201403493X A SG 11201403493XA SG 11201403493X A SG11201403493X A SG 11201403493XA SG 11201403493X A SG11201403493X A SG 11201403493XA SG 11201403493X A SG11201403493X A SG 11201403493XA
Authority
SG
Singapore
Prior art keywords
variable set
controller design
audio precompensation
precompensation controller
support loudspeakers
Prior art date
Application number
SG11201403493XA
Other languages
English (en)
Inventor
Lars-Johan Brännmark
Anders Ahlén
Adrian Bahne
Original Assignee
Dirac Res Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dirac Res Ab filed Critical Dirac Res Ab
Publication of SG11201403493XA publication Critical patent/SG11201403493XA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers
    • H04R3/04Circuits for transducers for correcting frequency response
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/301Automatic calibration of stereophonic sound system, e.g. with test microphone
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S5/00Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/305Electronic adaptation of stereophonic audio signals to reverberation of the listening space

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
SG11201403493XA 2012-03-22 2012-03-22 Audio precompensation controller design using a variable set of support loudspeakers SG11201403493XA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2012/050320 WO2013141768A1 (en) 2012-03-22 2012-03-22 Audio precompensation controller design using a variable set of support loudspeakers

Publications (1)

Publication Number Publication Date
SG11201403493XA true SG11201403493XA (en) 2014-07-30

Family

ID=49223077

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201403493XA SG11201403493XA (en) 2012-03-22 2012-03-22 Audio precompensation controller design using a variable set of support loudspeakers

Country Status (12)

Country Link
US (1) US9781510B2 (https=)
EP (1) EP2692155B1 (https=)
JP (1) JP5957137B2 (https=)
KR (1) KR101895656B1 (https=)
CN (1) CN104186001B (https=)
BR (1) BR112014018342B1 (https=)
ES (1) ES2683821T3 (https=)
MX (1) MX2014008123A (https=)
RU (1) RU2595896C2 (https=)
SG (1) SG11201403493XA (https=)
WO (1) WO2013141768A1 (https=)
ZA (1) ZA201404833B (https=)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014007724A1 (en) * 2012-07-06 2014-01-09 Dirac Research Ab Audio precompensation controller design with pairwise loudspeaker channel similarity
US9913064B2 (en) 2013-02-07 2018-03-06 Qualcomm Incorporated Mapping virtual speakers to physical speakers
EP2930958A1 (en) * 2014-04-07 2015-10-14 Harman Becker Automotive Systems GmbH Sound wave field generation
US9900692B2 (en) 2014-07-09 2018-02-20 Sony Corporation System and method for playback in a speaker system
WO2016028199A1 (en) * 2014-08-21 2016-02-25 Dirac Research Ab Personal multichannel audio precompensation controller design
CN108432270B (zh) * 2015-10-08 2021-03-16 班安欧股份公司 扬声器系统中的主动式房间补偿
FR3042673B1 (fr) * 2015-10-20 2022-05-27 Claude Bernard Roch Andre Carpentier Nouveau procede de diminution des distorsions de phase acoustique dans les installations de reproduction sonore en automobile
EP3369259B1 (en) * 2015-10-30 2020-05-27 Dirac Research AB Reducing the phase difference between audio channels at multiple spatial positions
US20200267490A1 (en) * 2016-01-04 2020-08-20 Harman Becker Automotive Systems Gmbh Sound wave field generation
EP3188504B1 (en) 2016-01-04 2020-07-29 Harman Becker Automotive Systems GmbH Multi-media reproduction for a multiplicity of recipients
US10134379B2 (en) 2016-03-01 2018-11-20 Guardian Glass, LLC Acoustic wall assembly having double-wall configuration and passive noise-disruptive properties, and/or method of making and/or using the same
US10354638B2 (en) 2016-03-01 2019-07-16 Guardian Glass, LLC Acoustic wall assembly having active noise-disruptive properties, and/or method of making and/or using the same
KR102571510B1 (ko) * 2016-12-07 2023-08-25 디락 리서치 에이비 밝은 영역과 어두운 영역에 관하여 최적화된 오디오 사전 보상 필터
US10726855B2 (en) 2017-03-15 2020-07-28 Guardian Glass, Llc. Speech privacy system and/or associated method
US20180268840A1 (en) * 2017-03-15 2018-09-20 Guardian Glass, LLC Speech privacy system and/or associated method
US10304473B2 (en) 2017-03-15 2019-05-28 Guardian Glass, LLC Speech privacy system and/or associated method
US10373626B2 (en) 2017-03-15 2019-08-06 Guardian Glass, LLC Speech privacy system and/or associated method
US11038482B2 (en) * 2017-04-07 2021-06-15 Dirac Research Ab Parametric equalization for audio applications
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
US10893361B2 (en) * 2018-01-04 2021-01-12 Harman Becker Automotive Systems Gmbh Low frequency sound field in a listening environment
CN108269578B (zh) * 2018-02-05 2019-10-18 百度在线网络技术(北京)有限公司 用于处理信息的方法和装置
KR102343827B1 (ko) * 2018-06-04 2021-12-28 주식회사 아이시냅스 음파통신을 이용하는 원격유니트 제어시스템 및 그 방법
WO2020037044A1 (en) 2018-08-17 2020-02-20 Dts, Inc. Adaptive loudspeaker equalization
CN109246573B (zh) * 2018-10-08 2020-10-27 北京铸声场传媒科技有限公司 测量音频系统频响特性的方法及装置
JP7413267B2 (ja) 2018-10-16 2024-01-15 ドルビー ラボラトリーズ ライセンシング コーポレイション 低音マネジメントのための方法及び装置
CN117809663A (zh) 2018-12-07 2024-04-02 弗劳恩霍夫应用研究促进协会 从包括至少两个声道的信号产生声场描述的装置、方法
FR3090918A1 (fr) * 2018-12-21 2020-06-26 Orange Calibration d’un système de restitution sonore distribué
CN110109644B (zh) * 2019-04-10 2020-11-17 广州视源电子科技股份有限公司 电子设备的均衡参数确定处理方法、装置及系统
US11800309B2 (en) 2019-06-20 2023-10-24 Dirac Research Ab Bass management in audio systems
CN112135225B (zh) * 2019-06-25 2023-11-21 海信视像科技股份有限公司 扬声器系统和电子设备
GB2586126A (en) * 2019-08-02 2021-02-10 Nokia Technologies Oy MASA with embedded near-far stereo for mobile devices
CN110572742B (zh) * 2019-09-10 2020-12-29 广州安衡电子科技有限公司 一种非等距离全频音响扩声处理方法及系统
US12069468B2 (en) 2019-09-20 2024-08-20 Harman International Industries, Incorporated Room calibration based on gaussian distribution and k-nearest neighbors algorithm
CN110648662B (zh) * 2019-09-24 2021-12-24 百度在线网络技术(北京)有限公司 设备检测方法、设备硬件结构优化方法及装置
CN111031446B (zh) * 2019-12-24 2021-10-08 无锡吉兴汽车声学部件科技有限公司 一种自动补偿音频通路传递函数的发声系统及方法
US10904687B1 (en) * 2020-03-27 2021-01-26 Spatialx Inc. Audio effectiveness heatmap
EP3985999B1 (en) * 2020-10-19 2024-08-21 Alps Alpine Co., Ltd. Method for configuring a digital audio filter, digital audio filter, and sound system
CN112584299A (zh) * 2020-12-09 2021-03-30 重庆邮电大学 一种基于多激励平板扬声器的沉浸式会议系统
JP7714660B2 (ja) * 2021-01-15 2025-07-29 ハーマン インターナショナル インダストリーズ, インコーポレイテッド 低周波自動校正音響システム
CN115038010B (zh) * 2022-04-26 2023-12-19 苏州清听声学科技有限公司 一种基于扬声器阵列的声场重建控制方法及系统
CN114967460B (zh) * 2022-05-31 2023-05-12 江南大学 时滞非线性多智能体系统的分布式协同控制方法
CN116744187B (zh) * 2022-09-30 2024-04-26 荣耀终端有限公司 扬声器控制方法及设备
KR20240075501A (ko) 2022-11-22 2024-05-29 현대모비스 주식회사 임베디드 시스템을 위한 가상 엔진음 생성 장치 및 그 제어 방법
CN120186528A (zh) * 2023-12-19 2025-06-20 哈曼贝克自动系统股份有限公司 自动音频调谐系统
CN117651238B (zh) * 2024-01-30 2024-05-31 科大讯飞(苏州)科技有限公司 音频播放方法、音频补偿系数的确定方法和汽车
CN119603601B (zh) * 2024-12-03 2025-06-17 中山强乐电子有限公司 一种智能音响系统及方法
CN121194100B (zh) * 2025-11-07 2026-04-10 恩平市声龙电子有限公司 一种音响音质智能调控方法及相关装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2106074C1 (ru) * 1996-02-28 1998-02-27 Владимир Анатольевич Ефремов Пространственная звуковоспроизводящая система
RU2145446C1 (ru) * 1997-09-29 2000-02-10 Ефремов Владимир Анатольевич Способ оптимальной передачи сообщений любой физической природы, например, способ оптимального звуковоспроизведения и система для его осуществления, способ оптимального, пространственного, активного понижения уровня сигналов любой физической природы
US7660424B2 (en) * 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
FI20012313A7 (fi) 2001-11-26 2003-05-27 Genelec Oy Menetelmä matalataajuista ääntä muokkaavan modaalisen ekvalisaattorin suunnittelemiseksi
SE521130C2 (sv) 2002-04-17 2003-10-07 Dirac Res Ab Digital audiokompensering
BR0305746A (pt) * 2002-08-07 2004-12-07 Dolby Lab Licensing Corp Tradução espacial de canal de áudio
EP1523221B1 (en) * 2003-10-09 2017-02-15 Harman International Industries, Incorporated System and method for audio system configuration
US7720237B2 (en) 2004-09-07 2010-05-18 Audyssey Laboratories, Inc. Phase equalization for multi-channel loudspeaker-room responses
US20060067535A1 (en) 2004-09-27 2006-03-30 Michael Culbert Method and system for automatically equalizing multiple loudspeakers
EP1805752A4 (en) * 2004-10-26 2012-06-27 Richard S Burwen UNNATURAL AFTERHOUSE
ATE467316T1 (de) * 2008-03-20 2010-05-15 Dirac Res Ab Räumlich robuste audiovorkompensierung
US8135140B2 (en) * 2008-11-20 2012-03-13 Harman International Industries, Incorporated System for active noise control with audio signal compensation
CN102197662B (zh) 2009-05-18 2014-04-23 哈曼国际工业有限公司 效率优化的音频系统
EP2257083B1 (en) 2009-05-28 2011-12-14 Dirac Research AB Sound field control in multiple listening regions
US8213637B2 (en) * 2009-05-28 2012-07-03 Dirac Research Ab Sound field control in multiple listening regions
US9100766B2 (en) 2009-10-05 2015-08-04 Harman International Industries, Inc. Multichannel audio system having audio channel compensation

Also Published As

Publication number Publication date
WO2013141768A1 (en) 2013-09-26
CN104186001B (zh) 2018-03-27
EP2692155B1 (en) 2018-05-16
CN104186001A (zh) 2014-12-03
ES2683821T3 (es) 2018-09-28
KR20140138972A (ko) 2014-12-04
US9781510B2 (en) 2017-10-03
EP2692155A1 (en) 2014-02-05
ZA201404833B (en) 2015-08-26
KR101895656B1 (ko) 2018-10-18
RU2595896C2 (ru) 2016-08-27
US20140153744A1 (en) 2014-06-05
BR112014018342A8 (pt) 2017-07-11
EP2692155A4 (en) 2015-09-09
JP5957137B2 (ja) 2016-07-27
MX2014008123A (es) 2014-10-17
BR112014018342A2 (https=) 2017-06-20
JP2015512579A (ja) 2015-04-27
BR112014018342B1 (pt) 2021-03-16
RU2014132848A (ru) 2016-02-27

Similar Documents

Publication Publication Date Title
ZA201404833B (en) Audio precompensation controller design using a variable set of support loudspeakers
EP2779684A4 (en) BONE CONDUCTION SPEAKER UNIT
GB2491108B (en) Loudspeaker
EP2870782A4 (en) AUDIO PRE-COMPENSATION CONTROL DESIGN WITH DUAL SIMILARITY BETWEEN LOUDSPEAKER CHANNELS
EP2859736B8 (en) Ported audio speaker enclosures
GB2498602B (en) Audio amplifier
GB2497596B (en) Speaker
HUP1100556A2 (en) Loudspeaker
GB201112847D0 (en) Loudspeaker assembly
AU342354S (en) Loudspeaker
GB201318058D0 (en) Portable audio headphones
EP2866468A4 (en) ACOUSTIC COIL SPEAKER
EP2854422A4 (en) ACOUSTIC COIL SPEAKER
GB201205792D0 (en) Loudspeaker
GB2489535B (en) Loudspeaker
EP2783292A4 (en) AUDIO INTERFACE
AU338558S (en) Audio speaker
AU342355S (en) Loudspeaker
GB201221044D0 (en) Folded diaphragm loudspeaker
PH32012000159S1 (en) Audio speaker system
GB201215606D0 (en) Microphone and speaker attachment for games controller
GB201106005D0 (en) Loudspeaker
AU340717S (en) Bluetooth stereo speaker
AU340619S (en) Bluetooth stereo speaker
GB201116823D0 (en) Audio prompted audio playback