NL8501834A - Egalisatie-inrichting met verschuifbare bandfilters en een digitaal filter eventueel te gebruiken in de egalisatie-inrichting. - Google Patents

Egalisatie-inrichting met verschuifbare bandfilters en een digitaal filter eventueel te gebruiken in de egalisatie-inrichting. Download PDF

Info

Publication number
NL8501834A
NL8501834A NL8501834A NL8501834A NL8501834A NL 8501834 A NL8501834 A NL 8501834A NL 8501834 A NL8501834 A NL 8501834A NL 8501834 A NL8501834 A NL 8501834A NL 8501834 A NL8501834 A NL 8501834A
Authority
NL
Netherlands
Prior art keywords
filter
signal
frequency
filters
output
Prior art date
Application number
NL8501834A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8501834A priority Critical patent/NL8501834A/nl
Priority to DE8686201086T priority patent/DE3668737D1/de
Priority to EP86201086A priority patent/EP0209931B1/fr
Priority to DE88202072T priority patent/DE3689047T2/de
Priority to EP19880202072 priority patent/EP0312137B1/fr
Priority to JP61148314A priority patent/JP2571215B2/ja
Priority to US06/878,933 priority patent/US4845758A/en
Publication of NL8501834A publication Critical patent/NL8501834A/nl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0294—Variable filters; Programmable filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/005—Tone control or bandwidth control in amplifiers of digital signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/165—Equalizers; Volume or gain control in limited frequency bands
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/18—Automatic control in untuned amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/04—Recursive filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Filters And Equalizers (AREA)
  • Networks Using Active Elements (AREA)
NL8501834A 1985-06-26 1985-06-26 Egalisatie-inrichting met verschuifbare bandfilters en een digitaal filter eventueel te gebruiken in de egalisatie-inrichting. NL8501834A (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL8501834A NL8501834A (nl) 1985-06-26 1985-06-26 Egalisatie-inrichting met verschuifbare bandfilters en een digitaal filter eventueel te gebruiken in de egalisatie-inrichting.
DE8686201086T DE3668737D1 (de) 1985-06-26 1986-06-23 Entzerrer mit steuerbaren bandfiltern und digitaler filter geeignet fuer verwendung in einem entzerrer.
EP86201086A EP0209931B1 (fr) 1985-06-26 1986-06-23 Egaliseur comportant des filtres à bande ajustable et filtre numérique approprié à l'emploi dans un égaliseur
DE88202072T DE3689047T2 (de) 1985-06-26 1986-06-23 Bandfilter.
EP19880202072 EP0312137B1 (fr) 1985-06-26 1986-06-23 Filtre à bande
JP61148314A JP2571215B2 (ja) 1985-06-26 1986-06-26 音場制御装置
US06/878,933 US4845758A (en) 1985-06-26 1986-06-26 Equalizer with adjustable band filters and a digital filter suitable for use in the equalizer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8501834A NL8501834A (nl) 1985-06-26 1985-06-26 Egalisatie-inrichting met verschuifbare bandfilters en een digitaal filter eventueel te gebruiken in de egalisatie-inrichting.
NL8501834 1985-06-26

Publications (1)

Publication Number Publication Date
NL8501834A true NL8501834A (nl) 1987-01-16

Family

ID=19846196

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8501834A NL8501834A (nl) 1985-06-26 1985-06-26 Egalisatie-inrichting met verschuifbare bandfilters en een digitaal filter eventueel te gebruiken in de egalisatie-inrichting.

Country Status (5)

Country Link
US (1) US4845758A (fr)
EP (1) EP0209931B1 (fr)
JP (1) JP2571215B2 (fr)
DE (2) DE3689047T2 (fr)
NL (1) NL8501834A (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8501834A (nl) 1985-06-26 1987-01-16 Philips Nv Egalisatie-inrichting met verschuifbare bandfilters en een digitaal filter eventueel te gebruiken in de egalisatie-inrichting.
JP3112913B2 (ja) * 1989-12-28 2000-11-27 パイオニア株式会社 音質調整装置
AT397894B (de) * 1990-05-08 1994-07-25 Siemens Ag Oesterreich Schaltungsanordnung zur entzerrung von digitalen tonsignalen
US5272656A (en) * 1990-09-21 1993-12-21 Cambridge Signal Technologies, Inc. System and method of producing adaptive FIR digital filter with non-linear frequency resolution
US5524290A (en) * 1991-07-22 1996-06-04 Motorola, Inc. Adaptive graphic equalizer and radio using same
US5268527A (en) * 1991-11-25 1993-12-07 Waller Jr James K Audio power amplifier with reactance simulation
JP2892205B2 (ja) * 1991-11-28 1999-05-17 株式会社ケンウッド 伝送周波数特性補正装置
WO1993011647A1 (fr) * 1991-11-28 1993-06-10 Kabushiki Kaisha Kenwood Dispositif servant a corriger des caracteristiques de frequence d'un champ sonore
US5233665A (en) * 1991-12-17 1993-08-03 Gary L. Vaughn Phonetic equalizer system
US20050259833A1 (en) * 1993-02-23 2005-11-24 Scarpino Frank A Frequency responses, apparatus and methods for the harmonic enhancement of audio signals
US6275593B1 (en) 1996-05-10 2001-08-14 True Dimensional Sound, Inc. Apparatus and methods for the harmonic enhancement of electronic audio signals
US5892833A (en) * 1993-04-28 1999-04-06 Night Technologies International Gain and equalization system and method
US5559905A (en) * 1993-09-22 1996-09-24 Genesis Microchip Inc. Digital image resizing apparatus
GB2313506B (en) * 1996-02-28 2000-10-04 Ethymonics Ltd Tone filter
US6405227B1 (en) 1998-12-31 2002-06-11 New Japan Radio Co., Ltd. Digital crossover and parametric equalizer
DE10143933A1 (de) * 2001-09-07 2003-04-03 Becker Gmbh 8 Entzerreranordnung
US6876750B2 (en) * 2001-09-28 2005-04-05 Texas Instruments Incorporated Method and apparatus for tuning digital hearing aids
US20030130751A1 (en) * 2002-01-09 2003-07-10 Freesystems Pte.,Ltd. New filter bank for graphics equalizer implementation
US7333618B2 (en) * 2003-09-24 2008-02-19 Harman International Industries, Incorporated Ambient noise sound level compensation
US7298206B2 (en) * 2005-04-29 2007-11-20 Tektronix, Inc. Multi-band amplifier for test and measurement instruments
JP5445574B2 (ja) * 2011-12-22 2014-03-19 オンキヨー株式会社 チャンネルデバイダおよびこれを含む音声再生システム、並びに、チャンネルデバイダのクロスオーバー周波数を設定する方法
US9735751B1 (en) * 2012-01-09 2017-08-15 Skullcandy, Inc. Audio reproduction device target sound signature
CN111630873B (zh) * 2018-01-04 2022-06-14 美商楼氏电子有限公司 传感器装置和麦克风组件
CN115842526A (zh) * 2022-12-26 2023-03-24 北京京东方光电科技有限公司 滤波电路、滤波器、集成无源器件及电子器件

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206417A (en) * 1978-06-22 1980-06-03 Bose Corporation Sound system control
US4271398A (en) * 1978-11-30 1981-06-02 Pioneer Electronic Corporation Tone control device
US4316060A (en) * 1980-01-04 1982-02-16 Dbx, Inc. Equalizing system
JPS56134815A (en) * 1980-03-24 1981-10-21 Nippon Gakki Seizo Kk Filter circuit
NL8201344A (nl) * 1982-03-31 1983-10-17 Philips Nv Digitale toonregelinrichting.
NL8300671A (nl) * 1983-02-23 1984-09-17 Philips Nv Automatisch egalisatiesysteem met dtf of fft.
US4484345A (en) * 1983-02-28 1984-11-20 Stearns William P Prosthetic device for optimizing speech understanding through adjustable frequency spectrum responses
JPS6014514A (ja) * 1983-07-05 1985-01-25 Matsushita Electric Ind Co Ltd グラフイツクイコライザ装置
JPS60244111A (ja) * 1984-05-18 1985-12-04 Nec Corp デイジタルフイルタ回路
US4633501A (en) * 1985-04-15 1986-12-30 Werrbach Donn R Program dependent crossover filter (PDC)
NL8501834A (nl) 1985-06-26 1987-01-16 Philips Nv Egalisatie-inrichting met verschuifbare bandfilters en een digitaal filter eventueel te gebruiken in de egalisatie-inrichting.

Also Published As

Publication number Publication date
US4845758A (en) 1989-07-04
DE3668737D1 (de) 1990-03-08
EP0209931A3 (en) 1987-05-20
EP0209931B1 (fr) 1990-01-31
DE3689047D1 (de) 1993-10-21
DE3689047T2 (de) 1994-04-07
JP2571215B2 (ja) 1997-01-16
EP0209931A2 (fr) 1987-01-28
JPS621307A (ja) 1987-01-07

Similar Documents

Publication Publication Date Title
NL8501834A (nl) Egalisatie-inrichting met verschuifbare bandfilters en een digitaal filter eventueel te gebruiken in de egalisatie-inrichting.
EP1017167B1 (fr) Dispositif de correction des caractéristiques acoustiques
US6252969B1 (en) Howling detection and prevention circuit and a loudspeaker system employing the same
US5541866A (en) Device for correcting frequency characteristic of sound field
US8238576B2 (en) Level dependent bass management
US8934644B2 (en) Channel divider, sound reproducing system including the channel divider, and method for setting crossover frequency of the channel divider
JP2007509558A (ja) 適応型音声再生
JPH07203330A (ja) 場面適応映像改善方法及びその回路
US5710823A (en) Howling remover having cascade connected equalizers suppressing multiple noise peaks
JP3557236B2 (ja) オーディオ信号のデジタル処理回路装置
US5568560A (en) Audio crossover circuit
JP2013255049A (ja) チャンネルデバイダおよびこれを含む音声再生システム
EP0571635B1 (fr) Dispositif servant a compenser des caracteristiques de frequence d'un champ sonore
US11563425B2 (en) Linear-phase fir audio filter, production method and signal processor
CN107529113A (zh) 使用多个频带的信号处理器
JP2946884B2 (ja) 低音域特性補正回路
JPH04150211A (ja) グラフィックイコライザ
JPH0653767A (ja) 音場補正におけるイコライザ特性の制御装置及び制御方法
JPH0787323B2 (ja) グラフィックイコライザ
JP3114878B2 (ja) 撮像装置
JPS61108211A (ja) グラフイツクイコライザ装置
JPH05259783A (ja) トーンコントロール回路
JPH08265076A (ja) シグナル増幅システムの周波数及び／又はフェーズ応答のコントロール回路
JPH0630427B2 (ja) グラフィックイコライザ
JPH06105184A (ja) 画像信号処理装置

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BT A document has been added to the application laid open to public inspection
BV The patent application has lapsed