SE521130C2 - Digital audiokompensering - Google Patents

Digital audiokompensering

Info

Publication number
SE521130C2
SE521130C2 SE0201145A SE0201145A SE521130C2 SE 521130 C2 SE521130 C2 SE 521130C2 SE 0201145 A SE0201145 A SE 0201145A SE 0201145 A SE0201145 A SE 0201145A SE 521130 C2 SE521130 C2 SE 521130C2
Authority
SE
Sweden
Prior art keywords
filter
component
weighting
precompensation
model
Prior art date
Application number
SE0201145A
Other languages
English (en)
Swedish (sv)
Other versions
SE0201145L (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/SE521130C2/sv
Publication of SE0201145D0 publication Critical patent/SE0201145D0/xx
Priority to ES03003083T priority patent/ES2255640T3/es
Priority to EP03003083A priority patent/EP1355509B1/de
Priority to DE60303397T priority patent/DE60303397T2/de
Priority to AT03003083T priority patent/ATE317207T1/de
Priority to CNB031104460A priority patent/CN100512509C/zh
Priority to JP2003110444A priority patent/JP2004040771A/ja
Publication of SE0201145L publication Critical patent/SE0201145L/xx
Publication of SE521130C2 publication Critical patent/SE521130C2/sv

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 SE521130C2 (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 SE521130C2 (sv) 2002-04-17 2002-04-17 Digital audiokompensering
ES03003083T ES2255640T3 (es) 2002-04-17 2003-02-13 Precompensacion de audio digital.
EP03003083A EP1355509B1 (de) 2002-04-17 2003-02-13 Digitale Audiovorkompensierung
DE60303397T DE60303397T2 (de) 2002-04-17 2003-02-13 Digitale Audiovorkompensierung
AT03003083T ATE317207T1 (de) 2002-04-17 2003-02-13 Digitale audiovorkompensierung
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 SE521130C2 (sv) 2002-04-17 2002-04-17 Digital audiokompensering

Publications (3)

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

Family

ID=30447749

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0201145A SE521130C2 (sv) 2002-04-17 2002-04-17 Digital audiokompensering

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) SE521130C2 (de)

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US7991176B2 (en) 2004-11-29 2011-08-02 Nokia Corporation Stereo widening network for two loudspeakers
CN101053152B (zh) * 2005-07-29 2010-12-29 哈曼国际工业有限公司 自动音频调谐系统及方法
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
US7764802B2 (en) * 2007-03-09 2010-07-27 Srs Labs, Inc. Frequency-warped audio equalizer
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
ATE467316T1 (de) * 2008-03-20 2010-05-15 Dirac Res 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
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
US8213637B2 (en) * 2009-05-28 2012-07-03 Dirac Research Ab Sound field control in multiple listening regions
EP2257083B1 (de) 2009-05-28 2011-12-14 Dirac Research AB Schallfeldsteuerung mit mehreren Hörbereichen
US8194869B2 (en) * 2010-03-17 2012-06-05 Harman International Industries, Incorporated Audio power management system
EP2649614B1 (de) * 2010-12-09 2015-11-04 Dolby International AB Psychoakustische filtergestaltung für rationale resampler
WO2013036182A1 (en) * 2011-09-08 2013-03-14 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for controlling performance in a radio node
EP2795800B1 (de) 2011-12-21 2015-10-21 Telefonaktiebolaget LM Ericsson (publ) Verfahren und funkknoten zur steuerung des kommunikationsmoduswechsels
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
MX2014008123A (es) * 2012-03-22 2014-10-17 Dirac Res Ab Diseño de controlador de precompensacion de audio usando un conjunto variable de bocinas de soporte.
WO2014007724A1 (en) * 2012-07-06 2014-01-09 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
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

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Also Published As

Publication number Publication date
SE0201145L (sv) 2003-10-07
DE60303397T2 (de) 2006-10-19
CN100512509C (zh) 2009-07-08
EP1355509A2 (de) 2003-10-22
US20040125487A9 (en) 2004-07-01
EP1355509B1 (de) 2006-02-01
SE0201145D0 (sv) 2002-04-17
US20030197965A1 (en) 2003-10-23
DE60303397D1 (de) 2006-04-13
JP2004040771A (ja) 2004-02-05
CN1596030A (zh) 2005-03-16
US7215787B2 (en) 2007-05-08
ATE317207T1 (de) 2006-02-15
ES2255640T3 (es) 2006-07-01
EP1355509A3 (de) 2004-05-06

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