NL8104171A - Ruisonderdrukkingsschakeling. - Google Patents

Ruisonderdrukkingsschakeling. Download PDF

Info

Publication number
NL8104171A
NL8104171A NL8104171A NL8104171A NL8104171A NL 8104171 A NL8104171 A NL 8104171A NL 8104171 A NL8104171 A NL 8104171A NL 8104171 A NL8104171 A NL 8104171A NL 8104171 A NL8104171 A NL 8104171A
Authority
NL
Netherlands
Prior art keywords
signal
circuit
amplifier
gain
circuit according
Prior art date
Application number
NL8104171A
Other languages
English (en)
Dutch (nl)
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of NL8104171A publication Critical patent/NL8104171A/nl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
NL8104171A 1980-09-09 1981-09-09 Ruisonderdrukkingsschakeling. NL8104171A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP55123966A JPS5752239A (en) 1980-09-09 1980-09-09 Noise reducing circuit
JP12396680 1980-09-09

Publications (1)

Publication Number Publication Date
NL8104171A true NL8104171A (nl) 1982-04-01

Family

ID=14873724

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8104171A NL8104171A (nl) 1980-09-09 1981-09-09 Ruisonderdrukkingsschakeling.

Country Status (8)

Country Link
US (1) US4441084A (fr)
JP (1) JPS5752239A (fr)
AU (1) AU545802B2 (fr)
CA (1) CA1161561A (fr)
DE (1) DE3135725A1 (fr)
FR (1) FR2490038B1 (fr)
GB (1) GB2083988B (fr)
NL (1) NL8104171A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4507791A (en) * 1982-05-05 1985-03-26 Dolby Laboratories Licensing Corporation Analog and digital signal apparatus
US4493091A (en) * 1982-05-05 1985-01-08 Dolby Laboratories Licensing Corporation Analog and digital signal apparatus
JPS6012858U (ja) * 1983-07-04 1985-01-28 日本ビクター株式会社 ノイズリダクシヨン回路
US4700361A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation Spectral emphasis and de-emphasis
CA1309665C (fr) * 1987-06-27 1992-11-03 Kenzo Akagiri Circuit de compression-expansion d'amplitude
US5142164A (en) * 1990-03-26 1992-08-25 Illinois Institute Of Technology Subharomic noise reduction circuit
US7230483B2 (en) * 2005-03-01 2007-06-12 Taiwan Semiconductor Manufacturing Co., Ltd. Negative feedback system with an error compensation scheme
JP2011172189A (ja) * 2010-02-22 2011-09-01 On Semiconductor Trading Ltd 増幅回路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE753495A (fr) * 1969-07-21 1970-12-16 Dolby Laboratories Inc Filtres limiteurs perfectionnes pour systemes attenuateurs de bruit. (
US3678416A (en) * 1971-07-26 1972-07-18 Richard S Burwen Dynamic noise filter having means for varying cutoff point
US3848091A (en) * 1973-04-12 1974-11-12 Holmes J Method of fitting a prosthetic device for providing corrections of auditory deficiencies in aurally handicapped persons
GB1515335A (en) * 1974-06-21 1978-06-21 Hitachi Ltd Equalizer having variable attenuation
JPS5947489B2 (ja) * 1975-11-07 1984-11-19 株式会社日立製作所 カヘントウカキ
JPS53121506A (en) * 1977-03-31 1978-10-24 Pioneer Electronic Corp Signal compressing and expanding device

Also Published As

Publication number Publication date
DE3135725A1 (de) 1982-04-29
US4441084A (en) 1984-04-03
AU7492881A (en) 1982-03-18
GB2083988A (en) 1982-03-31
JPS5752239A (en) 1982-03-27
FR2490038A1 (fr) 1982-03-12
GB2083988B (en) 1984-06-20
AU545802B2 (en) 1985-08-01
FR2490038B1 (fr) 1988-12-02
CA1161561A (fr) 1984-01-31

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed