DE2938378A1 - Signalverarbeitungskreis - Google Patents

Signalverarbeitungskreis

Info

Publication number
DE2938378A1
DE2938378A1 DE19792938378 DE2938378A DE2938378A1 DE 2938378 A1 DE2938378 A1 DE 2938378A1 DE 19792938378 DE19792938378 DE 19792938378 DE 2938378 A DE2938378 A DE 2938378A DE 2938378 A1 DE2938378 A1 DE 2938378A1
Authority
DE
Germany
Prior art keywords
signal
frequency
signals
input
control
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.)
Withdrawn
Application number
DE19792938378
Other languages
German (de)
English (en)
Inventor
Shoichi Nakamura
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.)
Sony Corp
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 DE2938378A1 publication Critical patent/DE2938378A1/de
Withdrawn legal-status Critical Current

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
    • 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
    • H03G5/22—Automatic control in untuned amplifiers having semiconductor devices

Landscapes

  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Networks Using Active Elements (AREA)
DE19792938378 1978-09-22 1979-09-22 Signalverarbeitungskreis Withdrawn DE2938378A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11682878A JPS5545112A (en) 1978-09-22 1978-09-22 Signal transmitter

Publications (1)

Publication Number Publication Date
DE2938378A1 true DE2938378A1 (de) 1980-04-03

Family

ID=14696623

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792938378 Withdrawn DE2938378A1 (de) 1978-09-22 1979-09-22 Signalverarbeitungskreis

Country Status (7)

Country Link
US (1) US4306201A (en, 2012)
JP (1) JPS5545112A (en, 2012)
CA (1) CA1131355A (en, 2012)
DE (1) DE2938378A1 (en, 2012)
FR (1) FR2437118B1 (en, 2012)
GB (1) GB2032230B (en, 2012)
NL (1) NL7907014A (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69227681T2 (de) * 1992-07-31 1999-06-10 Aphex Systems, Ltd., Sun Valley, Calif. Anordnung zur Anhebung der Bassfrequenz eines Audiosignals
JP3616878B2 (ja) * 2002-01-17 2005-02-02 オンキヨー株式会社 低域通過フィルタ
US9218847B2 (en) * 2013-12-18 2015-12-22 HGST Netherlands B.V. System and method for testing data storage systems utilizing micro-transitions
US8885275B1 (en) * 2013-12-18 2014-11-11 HGST Netherlands B.V. System and method for ATI/FTI detection in magnetic media

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE232937C (en, 2012) *
DE2216498B2 (de) * 1971-04-06 1977-06-08 Victor Company Of Japan, Ltd., Yokohama, Kanagawa (Japan) Anordnung zur frequenzabhaengigen amplitudenkompression elektrischer signale und expansion der komprimierten signale

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB479070A (en) 1936-08-06 1938-01-31 Electrical Res Prod Inc Improvements in or relating to multiple track sound-film recording
US2395159A (en) * 1942-06-29 1946-02-19 Rca Corp Electrical compressor method and system
GB1120541A (en) 1965-08-11 1968-07-17 Dolby Ray Milton Improvements in noise reduction systems
GB1115015A (en) * 1966-03-01 1968-05-22 Rank Organisation Ltd Improvements in or relating to automatic bandwidth adjustment of an audio frequency signal
BE753495A (fr) * 1969-07-21 1970-12-16 Dolby Laboratories Inc Filtres limiteurs perfectionnes pour systemes attenuateurs de bruit. (
JPS5648883B1 (en, 2012) 1971-07-24 1981-11-18
JPS574492Y2 (en, 2012) 1972-05-13 1982-01-27
JPS5024112U (en, 2012) 1973-06-28 1975-03-18
NO142768C (no) 1974-01-26 1980-10-08 Licentia Gmbh Kopling for automatisk dynamikk-kompresjon eller -ekspansjon
JPS51127608A (en) * 1975-04-30 1976-11-06 Victor Co Of Japan Ltd Signal transmitting unit
JPS52142409A (en) * 1976-05-21 1977-11-28 Toshiba Corp Noise reduction system
JPS5912746Y2 (ja) * 1976-10-30 1984-04-17 赤井電機株式会社 テ−プレコ−ダ等におけるノイズ低減装置
JPS5439516A (en) 1977-09-02 1979-03-27 Sanyo Electric Co Ltd Noise reduction unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE232937C (en, 2012) *
DE2216498B2 (de) * 1971-04-06 1977-06-08 Victor Company Of Japan, Ltd., Yokohama, Kanagawa (Japan) Anordnung zur frequenzabhaengigen amplitudenkompression elektrischer signale und expansion der komprimierten signale

Also Published As

Publication number Publication date
US4306201A (en) 1981-12-15
FR2437118B1 (fr) 1985-06-28
GB2032230A (en) 1980-04-30
GB2032230B (en) 1982-10-13
NL7907014A (nl) 1980-03-25
JPS5545112A (en) 1980-03-29
FR2437118A1 (fr) 1980-04-18
JPS6136304B2 (en, 2012) 1986-08-18
CA1131355A (en) 1982-09-07

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee