DE60303397D1 - Digitale Audiovorkompensierung - Google Patents

Digitale Audiovorkompensierung

Info

Publication number
DE60303397D1
DE60303397D1 DE60303397T DE60303397T DE60303397D1 DE 60303397 D1 DE60303397 D1 DE 60303397D1 DE 60303397 T DE60303397 T DE 60303397T DE 60303397 T DE60303397 T DE 60303397T DE 60303397 D1 DE60303397 D1 DE 60303397D1
Authority
DE
Germany
Prior art keywords
filter
component
precompensation
design
weighting
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60303397T
Other languages
English (en)
Other versions
DE60303397T2 (de
Inventor
Mikael Sternad
Anders Ahlen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dirac Research AB
Original Assignee
Dirac Research 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 Research AB filed Critical Dirac Research AB
Application granted granted Critical
Publication of DE60303397D1 publication Critical patent/DE60303397D1/de
Publication of DE60303397T2 publication Critical patent/DE60303397T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DE60303397T 2002-04-17 2003-02-13 Digitale Audiovorkompensierung Expired - Lifetime DE60303397T2 (de)

Applications Claiming Priority (3)

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
SE0201145 2002-04-17

Publications (2)

Publication Number Publication Date
DE60303397D1 true DE60303397D1 (de) 2006-04-13
DE60303397T2 DE60303397T2 (de) 2006-10-19

Family

ID=30447749

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60303397T Expired - Lifetime DE60303397T2 (de) 2002-04-17 2003-02-13 Digitale Audiovorkompensierung

Country Status (8)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2778274C1 (ru) * 2019-02-13 2022-08-17 Моззаик.Ио.Д.О.О. Способ обработки аудиосигнала

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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
TWI498882B (zh) * 2004-08-25 2015-09-01 Dolby Lab Licensing Corp 音訊解碼器
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***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
EP2122489B1 (de) * 2007-03-09 2012-06-06 Srs Labs, Inc. Frequenzverzerrter audioentzerrer
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
EP2104374B1 (de) * 2008-03-20 2010-05-05 Dirac Research AB Räumlich robuste Audiovorkompensierung
US8194885B2 (en) 2008-03-20 2012-06-05 Dirac Research Ab Spatially robust audio precompensation
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
US8559655B2 (en) * 2009-05-18 2013-10-15 Harman International Industries, Incorporated Efficiency optimized audio system
US8213637B2 (en) * 2009-05-28 2012-07-03 Dirac Research Ab Sound field control in multiple listening regions
ATE537667T1 (de) 2009-05-28 2011-12-15 Dirac Res Ab Schallfeldsteuerung mit mehreren hörbereichen
US8194869B2 (en) * 2010-03-17 2012-06-05 Harman International Industries, Incorporated Audio power management system
WO2012076689A1 (en) * 2010-12-09 2012-06-14 Dolby International Ab Psychoacoustic filter design for rational resamplers
EP2764637B1 (de) 2011-09-08 2017-03-29 Telefonaktiebolaget LM Ericsson (publ) Verfahren und vorrichtung zur steuerung der leistung bei einem funkknoten
WO2013095229A1 (en) 2011-12-21 2013-06-27 Telefonaktiebolaget Lm Ericsson (Publ) Method and radio node for controlling change of communication mode
WO2013136519A1 (ja) * 2012-03-16 2013-09-19 株式会社 東芝 信号処理装置及び情報再生装置
SG11201403493XA (en) * 2012-03-22 2014-07-30 Dirac Res Ab Audio precompensation controller design using a variable set of support loudspeakers
US9426600B2 (en) * 2012-07-06 2016-08-23 Dirac Research Ab Audio precompensation controller design with pairwise loudspeaker channel similarity
EP2930955B1 (de) * 2014-04-07 2021-02-17 Harman Becker Automotive Systems GmbH Adaptive Filterung
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
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

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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
US5680450A (en) * 1995-02-24 1997-10-21 Ericsson Inc. Apparatus and method for canceling acoustic echoes including non-linear distortions in loudspeaker telephones
US5600718A (en) 1995-02-24 1997-02-04 Ericsson Inc. Apparatus and method for adaptively precompensating for loudspeaker distortions
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2778274C1 (ru) * 2019-02-13 2022-08-17 Моззаик.Ио.Д.О.О. Способ обработки аудиосигнала

Also Published As

Publication number Publication date
SE521130C2 (sv) 2003-10-07
CN100512509C (zh) 2009-07-08
ATE317207T1 (de) 2006-02-15
DE60303397T2 (de) 2006-10-19
SE0201145L (sv) 2003-10-07
US20030197965A1 (en) 2003-10-23
JP2004040771A (ja) 2004-02-05
ES2255640T3 (es) 2006-07-01
US20040125487A9 (en) 2004-07-01
EP1355509A2 (de) 2003-10-22
US7215787B2 (en) 2007-05-08
EP1355509B1 (de) 2006-02-01
SE0201145D0 (sv) 2002-04-17
EP1355509A3 (de) 2004-05-06
CN1596030A (zh) 2005-03-16

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