SE0201145L - Digital audiokompensering - Google Patents

Digital audiokompensering

Info

Publication number
SE0201145L
SE0201145L SE0201145A SE0201145A SE0201145L SE 0201145 L SE0201145 L SE 0201145L SE 0201145 A SE0201145 A SE 0201145A SE 0201145 A SE0201145 A SE 0201145A SE 0201145 L SE0201145 L SE 0201145L
Authority
SE
Sweden
Prior art keywords
filter
component
precompensation
design
weighting
Prior art date
Application number
SE0201145A
Other languages
English (en)
Swedish (sv)
Other versions
SE521130C2 (sv
SE0201145D0 (sv
Inventor
Mikael Sternad
Anders Ahlen
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
Priority to US10/123,318 priority Critical patent/US7215787B2/en
Priority to SE0201145A priority patent/SE0201145L/xx
Publication of SE0201145D0 publication Critical patent/SE0201145D0/xx
Priority to ES03003083T priority patent/ES2255640T3/es
Priority to DE60303397T priority patent/DE60303397T2/de
Priority to AT03003083T priority patent/ATE317207T1/de
Priority to EP03003083A priority patent/EP1355509B1/fr
Priority to CNB031104460A priority patent/CN100512509C/zh
Priority to JP2003110444A priority patent/JP2004040771A/ja
Publication of SE521130C2 publication Critical patent/SE521130C2/sv
Publication of SE0201145L publication Critical patent/SE0201145L/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/04—Circuits for transducers for correcting frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/007—Monitoring arrangements; Testing arrangements for public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/307—Frequency adjustment, e.g. tone control

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
SE0201145A 2002-04-17 2002-04-17 Digital audiokompensering SE0201145L (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US10/123,318 US7215787B2 (en) 2002-04-17 2002-04-17 Digital audio precompensation
SE0201145A SE0201145L (sv) 2002-04-17 2002-04-17 Digital audiokompensering
ES03003083T ES2255640T3 (es) 2002-04-17 2003-02-13 Precompensacion de audio digital.
DE60303397T DE60303397T2 (de) 2002-04-17 2003-02-13 Digitale Audiovorkompensierung
AT03003083T ATE317207T1 (de) 2002-04-17 2003-02-13 Digitale audiovorkompensierung
EP03003083A EP1355509B1 (fr) 2002-04-17 2003-02-13 Précompensation audio numérique
CNB031104460A CN100512509C (zh) 2002-04-17 2003-04-15 数字音频预补偿滤波器的设计方法和系统
JP2003110444A JP2004040771A (ja) 2002-04-17 2003-04-15 デジタル音声プリコンプ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/123,318 US7215787B2 (en) 2002-04-17 2002-04-17 Digital audio precompensation
SE0201145A SE0201145L (sv) 2002-04-17 2002-04-17 Digital audiokompensering

Publications (3)

Publication Number Publication Date
SE0201145D0 SE0201145D0 (sv) 2002-04-17
SE521130C2 SE521130C2 (sv) 2003-10-07
SE0201145L true SE0201145L (sv) 2003-10-07

Family

ID=30447749

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0201145A SE0201145L (sv) 2002-04-17 2002-04-17 Digital audiokompensering

Country Status (8)

Country Link
US (1) US7215787B2 (fr)
EP (1) EP1355509B1 (fr)
JP (1) JP2004040771A (fr)
CN (1) CN100512509C (fr)
AT (1) ATE317207T1 (fr)
DE (1) DE60303397T2 (fr)
ES (1) ES2255640T3 (fr)
SE (1) SE0201145L (fr)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6961373B2 (en) * 2002-07-01 2005-11-01 Solarflare Communications, Inc. Method and apparatus for channel equalization
US7809021B2 (en) 2002-07-10 2010-10-05 Solarflare Communications, Inc. Communication system and encoding method having low overhead
US7164764B2 (en) * 2002-11-07 2007-01-16 Solarflare Communications, Inc. Method and apparatus for precode crosstalk mitigation
DE10314348A1 (de) * 2003-03-31 2004-12-02 Dirk Strothoff Verbesserungen von Regelungen durch die Berücksichtigung zukünftiger Sollwerte insbesondere bei Lautsprechern
US8363535B2 (en) 2003-04-28 2013-01-29 Marvell International Ltd. Frequency domain echo and next cancellation
US7676048B2 (en) * 2004-05-14 2010-03-09 Texas Instruments Incorporated Graphic equalizers
TWI497485B (zh) * 2004-08-25 2015-08-21 Dolby Lab Licensing Corp 用以重塑經合成輸出音訊信號之時域包絡以更接近輸入音訊信號之時域包絡的方法
US7991176B2 (en) * 2004-11-29 2011-08-02 Nokia Corporation Stereo widening network for two loudspeakers
JP4685106B2 (ja) * 2005-07-29 2011-05-18 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 オーディオ調整システム
CN1936829B (zh) * 2005-09-23 2010-05-26 鸿富锦精密工业（深圳）有限公司 声音输出系统及方法
FI20051294A0 (fi) * 2005-12-19 2005-12-19 Noveltech Solutions Oy Signaalinkäsittely
US7424692B1 (en) * 2006-04-12 2008-09-09 Altera Corporation Methods to find worst-case setup and hold relationship for static timing analysis
US8761387B2 (en) 2006-05-04 2014-06-24 Mindspeed Technologies, Inc. Analog transmit crosstalk canceller
US7720068B2 (en) 2006-08-23 2010-05-18 Solarflare Communications, Inc. Method and system for a multi-rate gigabit media independent interface
US7949890B2 (en) * 2007-01-31 2011-05-24 Net Power And Light, Inc. Method and system for precise synchronization of audio and video streams during a distributed communication session with multiple participants
WO2008112571A1 (fr) * 2007-03-09 2008-09-18 Srs Labs, Inc. Égaliseur audio gauchi en fréquence
US8005162B2 (en) * 2007-04-20 2011-08-23 Microelectronics Technology, Inc. Dynamic digital pre-distortion system
US8301676B2 (en) * 2007-08-23 2012-10-30 Fisher-Rosemount Systems, Inc. Field device with capability of calculating digital filter coefficients
US7948862B2 (en) * 2007-09-26 2011-05-24 Solarflare Communications, Inc. Crosstalk cancellation using sliding filters
US8984304B2 (en) * 2007-11-12 2015-03-17 Marvell International Ltd. Active idle communication system
US8078446B2 (en) * 2008-03-13 2011-12-13 Agilent Technologies, Inc. Linear time-invariant system modeling apparatus and method of generating a passive model
US8194885B2 (en) 2008-03-20 2012-06-05 Dirac Research Ab Spatially robust audio precompensation
DE602008001155D1 (de) * 2008-03-20 2010-06-17 Dirac Res Ab Räumlich robuste Audiovorkompensierung
US20130142520A1 (en) * 2008-06-30 2013-06-06 Chuan Xie Anti-causal pre-emphasis for high speed optical transmission
TWI465122B (zh) 2009-01-30 2014-12-11 Dolby Lab Licensing Corp 自帶狀脈衝響應資料測定反向濾波器之方法
KR20130128023A (ko) * 2009-05-18 2013-11-25 하만인터내셔날인더스트리스인코포레이티드 효율 최적화된 오디오 시스템
EP2257083B1 (fr) 2009-05-28 2011-12-14 Dirac Research AB Contrôle de champ sonore dans plusieurs régions d'écoute
US8213637B2 (en) * 2009-05-28 2012-07-03 Dirac Research Ab Sound field control in multiple listening regions
US8194869B2 (en) 2010-03-17 2012-06-05 Harman International Industries, Incorporated Audio power management system
US20130253917A1 (en) * 2010-12-09 2013-09-26 Dolby International Ab Psychoacoustic filter design for rational resamplers
EP2764637B1 (fr) 2011-09-08 2017-03-29 Telefonaktiebolaget LM Ericsson (publ) Procédé et appareil pour commander les performances dans un n ud radio
WO2013095229A1 (fr) 2011-12-21 2013-06-27 Telefonaktiebolaget Lm Ericsson (Publ) Procédé et nœud radio pour commander le changement de mode de communication
WO2013136519A1 (fr) * 2012-03-16 2013-09-19 株式会社 東芝 Appareil de traitement de signal et appareil de reproduction d'informations
ES2683821T3 (es) * 2012-03-22 2018-09-28 Dirac Research Ab Diseño de controlador de precompensación de audio usando un conjunto variable de altavoces de soporte
US9426600B2 (en) * 2012-07-06 2016-08-23 Dirac Research Ab Audio precompensation controller design with pairwise loudspeaker channel similarity
EP2930955B1 (fr) * 2014-04-07 2021-02-17 Harman Becker Automotive Systems GmbH Filtrage adaptatif
DE102014110187A1 (de) * 2014-07-18 2016-01-21 Fraunhofer-Gesellschaft Rauschrobuste Objektortung mit Ultraschall
US9991862B2 (en) 2016-03-31 2018-06-05 Bose Corporation Audio system equalizing
JP6818591B2 (ja) * 2017-02-27 2021-01-20 日本放送協会 制御器設計装置、制御器及びプログラム
US10558767B1 (en) * 2017-03-16 2020-02-11 Amazon Technologies, Inc. Analytical derivative-based ARMA model estimation
US10341794B2 (en) 2017-07-24 2019-07-02 Bose Corporation Acoustical method for detecting speaker movement
CN115412803A (zh) * 2021-05-26 2022-11-29 Oppo广东移动通信有限公司 音频信号补偿方法及装置、耳机、存储介质
CN114900155B (zh) * 2022-06-08 2023-07-18 电子科技大学 一种iir数字多通带滤波器设计方法
US12609127B2 (en) 2022-11-03 2026-04-21 Merrill Solomon Neutralizing distortion in audio data
CN118368181B (zh) * 2024-06-19 2024-09-27 苏州门海微电子科技有限公司 基于ofdm的非线性相移补偿方法、通讯芯片和系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9307986D0 (en) 1993-04-17 1993-06-02 Adaptive Audio Ltd Method of reproducing sound
JPH0879880A (ja) 1994-09-08 1996-03-22 Victor Co Of Japan Ltd スピーカ装置
US5600718A (en) * 1995-02-24 1997-02-04 Ericsson Inc. Apparatus and method for adaptively precompensating for loudspeaker distortions
US5680450A (en) * 1995-02-24 1997-10-21 Ericsson Inc. Apparatus and method for canceling acoustic echoes including non-linear distortions in loudspeaker telephones
JPH11341589A (ja) * 1998-05-01 1999-12-10 Texas Instr Inc <Ti> デジタル・シグナル・プロセッシング音響スピーカシステム
JP3537674B2 (ja) * 1998-09-30 2004-06-14 パイオニア株式会社 オーディオシステム
JP4017802B2 (ja) * 2000-02-14 2007-12-05 パイオニア株式会社 自動音場補正システム

Also Published As

Publication number Publication date
CN100512509C (zh) 2009-07-08
JP2004040771A (ja) 2004-02-05
EP1355509A3 (fr) 2004-05-06
ES2255640T3 (es) 2006-07-01
DE60303397D1 (de) 2006-04-13
US20040125487A9 (en) 2004-07-01
SE521130C2 (sv) 2003-10-07
SE0201145D0 (sv) 2002-04-17
ATE317207T1 (de) 2006-02-15
EP1355509B1 (fr) 2006-02-01
US20030197965A1 (en) 2003-10-23
US7215787B2 (en) 2007-05-08
DE60303397T2 (de) 2006-10-19
EP1355509A2 (fr) 2003-10-22
CN1596030A (zh) 2005-03-16

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