JPS58182315A - デイジタル式音質調節装置 - Google Patents

デイジタル式音質調節装置

Info

Publication number
JPS58182315A
JPS58182315A JP58054063A JP5406383A JPS58182315A JP S58182315 A JPS58182315 A JP S58182315A JP 58054063 A JP58054063 A JP 58054063A JP 5406383 A JP5406383 A JP 5406383A JP S58182315 A JPS58182315 A JP S58182315A
Authority
JP
Japan
Prior art keywords
filter
digital
filter coefficients
recursive
subgroup
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.)
Granted
Application number
JP58054063A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0247891B2 (enExample
Inventor
ルドウイハ・デジレ・ヨハン・エツヘルモント
ペトラス・ヨハネス・ベルクホウト
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of JPS58182315A publication Critical patent/JPS58182315A/ja
Publication of JPH0247891B2 publication Critical patent/JPH0247891B2/ja
Granted legal-status Critical Current

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
    • 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
    • H03G5/02—Manually-operated control
    • H03G5/025—Equalizers; Volume or gain control in limited frequency bands
    • 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)
  • Electrophonic Musical Instruments (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Magnetically Actuated Valves (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Filters That Use Time-Delay Elements (AREA)
JP58054063A 1982-03-31 1983-03-31 デイジタル式音質調節装置 Granted JPS58182315A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8201344A NL8201344A (nl) 1982-03-31 1982-03-31 Digitale toonregelinrichting.
NL8201344 1982-03-31

Publications (2)

Publication Number Publication Date
JPS58182315A true JPS58182315A (ja) 1983-10-25
JPH0247891B2 JPH0247891B2 (enExample) 1990-10-23

Family

ID=19839512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58054063A Granted JPS58182315A (ja) 1982-03-31 1983-03-31 デイジタル式音質調節装置

Country Status (9)

Country Link
US (1) US4580237A (enExample)
EP (1) EP0090464B1 (enExample)
JP (1) JPS58182315A (enExample)
KR (1) KR900007926B1 (enExample)
AT (1) ATE14174T1 (enExample)
AU (1) AU555157B2 (enExample)
DE (1) DE3360345D1 (enExample)
HK (1) HK58186A (enExample)
NL (1) NL8201344A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6276316A (ja) * 1985-09-27 1987-04-08 Victor Co Of Japan Ltd デジタル・フイルタ
JPS62291212A (ja) * 1986-06-10 1987-12-18 Fujitsu Ten Ltd 音質制御装置
JPS62292009A (ja) * 1986-06-11 1987-12-18 Fujitsu Ten Ltd 音質制御装置
JPS63221708A (ja) * 1987-03-11 1988-09-14 Victor Co Of Japan Ltd オ−デイオ用振幅及び群遅延の調整装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0312137B1 (en) * 1985-06-26 1993-09-15 Koninklijke Philips Electronics N.V. Bandfilter
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.
US4783756A (en) * 1986-09-24 1988-11-08 Rca Licensing Corporation Sampled data tone control system
JPH0646686B2 (ja) * 1986-10-24 1994-06-15 日本電気株式会社 Ｆｍ変調器
US4764967A (en) * 1986-10-27 1988-08-16 Rca Licensing Corporation Tone control system for sampled data signals
JPH035961A (ja) * 1989-06-01 1991-01-11 Pioneer Electron Corp 記録媒体演奏装置
JPH07114337B2 (ja) * 1989-11-07 1995-12-06 パイオニア株式会社 ディジタルオーディオ信号処理装置
GB2293507B (en) * 1994-09-20 1999-01-13 Sony Uk Ltd Digital signal processing

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3619586A (en) * 1968-11-25 1971-11-09 Research Corp Universal digital filter for linear discrete systems
US3706076A (en) * 1970-12-21 1972-12-12 Bell Telephone Labor Inc Programmable digital filter apparatus
NL169535C (nl) * 1974-11-14 1982-07-16 Philips Nv Digitale signaalbewerkingsinrichting met gestuurde kwantisering.
JPS54554A (en) * 1977-06-03 1979-01-05 Hitachi Ltd Digital filter
US4117541A (en) * 1977-11-07 1978-09-26 Communications Satellite Corporation Configurable parallel arithmetic structure for recursive digital filtering
JPS5571316A (en) * 1978-11-24 1980-05-29 Hitachi Ltd Recursive digital filter
JPS55153052A (en) * 1979-05-16 1980-11-28 Nec Corp Digital multiplier
GB2061656B (en) * 1979-09-14 1983-10-19 Victor Company Of Japan Digital filter
GB2075299B (en) * 1980-04-22 1983-10-19 Casio Computer Co Ltd Digital filter device
US4467440A (en) * 1980-07-09 1984-08-21 Casio Computer Co., Ltd. Digital filter apparatus with resonance characteristics
JPS57142022A (en) * 1981-02-26 1982-09-02 Casio Comput Co Ltd Resonance characteristic controlling system in digital filter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6276316A (ja) * 1985-09-27 1987-04-08 Victor Co Of Japan Ltd デジタル・フイルタ
JPS62291212A (ja) * 1986-06-10 1987-12-18 Fujitsu Ten Ltd 音質制御装置
JPS62292009A (ja) * 1986-06-11 1987-12-18 Fujitsu Ten Ltd 音質制御装置
JPS63221708A (ja) * 1987-03-11 1988-09-14 Victor Co Of Japan Ltd オ−デイオ用振幅及び群遅延の調整装置

Also Published As

Publication number Publication date
US4580237A (en) 1986-04-01
EP0090464A1 (en) 1983-10-05
NL8201344A (nl) 1983-10-17
KR840004329A (ko) 1984-10-10
ATE14174T1 (de) 1985-07-15
KR900007926B1 (ko) 1990-10-23
JPH0247891B2 (enExample) 1990-10-23
AU1301883A (en) 1983-10-06
EP0090464B1 (en) 1985-07-03
HK58186A (en) 1986-08-15
DE3360345D1 (en) 1985-08-08
AU555157B2 (en) 1986-09-11

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