KR880000679B1 - 잡음 저감 장치 - Google Patents

잡음 저감 장치 Download PDF

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Publication number
KR880000679B1
KR880000679B1 KR8203284A KR820003284A KR880000679B1 KR 880000679 B1 KR880000679 B1 KR 880000679B1 KR 8203284 A KR8203284 A KR 8203284A KR 820003284 A KR820003284 A KR 820003284A KR 880000679 B1 KR880000679 B1 KR 880000679B1
Authority
KR
South Korea
Prior art keywords
signal
input
output
circuit
terminal
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.)
Expired
Application number
KR8203284A
Other languages
English (en)
Korean (ko)
Other versions
KR840001021A (ko
Inventor
야스오 고미나미
가쯔오 와다나베
후미히고 요고가와
노부히로 스즈기
Original Assignee
미쓰다 가쓰시게
가부시기가이샤 히다찌세이사꾸쇼
마쯔모도 세이야
파이오니아 가부시기가이샤
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 미쓰다 가쓰시게, 가부시기가이샤 히다찌세이사꾸쇼, 마쯔모도 세이야, 파이오니아 가부시기가이샤 filed Critical 미쓰다 가쓰시게
Publication of KR840001021A publication Critical patent/KR840001021A/ko
Application granted granted Critical
Publication of KR880000679B1 publication Critical patent/KR880000679B1/ko
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • 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)
KR8203284A 1981-08-28 1982-07-23 잡음 저감 장치 Expired KR880000679B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP56~134004 1981-08-28
JP134004 1981-08-28
JP56134004A JPS5836030A (ja) 1981-08-28 1981-08-28 雑音低減装置

Publications (2)

Publication Number Publication Date
KR840001021A KR840001021A (ko) 1984-03-26
KR880000679B1 true KR880000679B1 (ko) 1988-04-20

Family

ID=15118121

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8203284A Expired KR880000679B1 (ko) 1981-08-28 1982-07-23 잡음 저감 장치

Country Status (5)

Country Link
US (1) US4473852A (enExample)
JP (1) JPS5836030A (enExample)
KR (1) KR880000679B1 (enExample)
DE (1) DE3231985A1 (enExample)
GB (1) GB2105154B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60181181A (ja) * 1984-02-29 1985-09-14 Aica Kogyo Co Ltd 水分散二液型接着剤
US6597301B2 (en) 2001-10-03 2003-07-22 Shure Incorporated Apparatus and method for level-dependent companding for wireless audio noise reduction

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55158715A (en) * 1979-05-29 1980-12-10 Sony Corp Gain control circuit

Also Published As

Publication number Publication date
DE3231985A1 (de) 1983-04-14
GB2105154A (en) 1983-03-16
US4473852A (en) 1984-09-25
JPS5836030A (ja) 1983-03-02
JPS6335130B2 (enExample) 1988-07-13
GB2105154B (en) 1985-07-24
KR840001021A (ko) 1984-03-26

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