KR880000106B1 - 다이나믹레인지 변화회로장치 - Google Patents

다이나믹레인지 변화회로장치 Download PDF

Info

Publication number
KR880000106B1
KR880000106B1 KR1019810002351A KR810002351A KR880000106B1 KR 880000106 B1 KR880000106 B1 KR 880000106B1 KR 1019810002351 A KR1019810002351 A KR 1019810002351A KR 810002351 A KR810002351 A KR 810002351A KR 880000106 B1 KR880000106 B1 KR 880000106B1
Authority
KR
South Korea
Prior art keywords
circuit
signal
level
gain
threshold
Prior art date
Application number
KR1019810002351A
Other languages
English (en)
Korean (ko)
Other versions
KR830006993A (ko
Inventor
밀톤 도르비 레이
Original Assignee
밀톤 도르비 레이
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 밀톤 도르비 레이 filed Critical 밀톤 도르비 레이
Publication of KR830006993A publication Critical patent/KR830006993A/ko
Application granted granted Critical
Publication of KR880000106B1 publication Critical patent/KR880000106B1/ko

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • 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
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression

Landscapes

  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
KR1019810002351A 1980-06-30 1981-06-30 다이나믹레인지 변화회로장치 KR880000106B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US16395080A 1980-06-30 1980-06-30
US163950 1980-06-30
US18077180A 1980-08-22 1980-08-22
US180771 1980-08-22

Publications (2)

Publication Number Publication Date
KR830006993A KR830006993A (ko) 1983-10-12
KR880000106B1 true KR880000106B1 (ko) 1988-02-23

Family

ID=26860115

Family Applications (4)

Application Number Title Priority Date Filing Date
KR1019810002350A KR880000105B1 (ko) 1980-06-30 1981-06-30 신호의 동적 범위 변경 시스템
KR1019810002351A KR880000106B1 (ko) 1980-06-30 1981-06-30 다이나믹레인지 변화회로장치
KR1019810002352A KR840002491B1 (ko) 1980-06-30 1981-06-30 신호 압축기
KR1019840005735A KR840002492B1 (ko) 1980-06-30 1984-09-19 신호 신장기

Family Applications Before (1)

Application Number Title Priority Date Filing Date
KR1019810002350A KR880000105B1 (ko) 1980-06-30 1981-06-30 신호의 동적 범위 변경 시스템

Family Applications After (2)

Application Number Title Priority Date Filing Date
KR1019810002352A KR840002491B1 (ko) 1980-06-30 1981-06-30 신호 압축기
KR1019840005735A KR840002492B1 (ko) 1980-06-30 1984-09-19 신호 신장기

Country Status (17)

Country Link
KR (4) KR880000105B1 (de)
AT (3) AT386304B (de)
AU (3) AU546641B2 (de)
BR (3) BR8104156A (de)
CH (3) CH660653A5 (de)
DE (3) DE3125788A1 (de)
DK (3) DK172325B1 (de)
ES (3) ES503496A0 (de)
FI (3) FI74368C (de)
GB (3) GB2079113B (de)
HK (3) HK28285A (de)
IT (3) IT1137985B (de)
MY (3) MY8501147A (de)
NL (3) NL192652C (de)
NO (3) NO157400C (de)
SE (3) SE447525B (de)
SG (3) SG4285G (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4736433A (en) * 1985-06-17 1988-04-05 Dolby Ray Milton Circuit arrangements for modifying dynamic range using action substitution and superposition techniques
US4815068A (en) * 1987-08-07 1989-03-21 Dolby Ray Milton Audio encoder for use with more than one decoder each having different characteristics
US5793797A (en) * 1995-05-09 1998-08-11 Unisys Corporation Data transmisson system with a low peak-to-average power ratio based on distorting small amplitude signals
US5651028A (en) * 1995-05-09 1997-07-22 Unisys Corporation Data transmission system with a low peak-to-average power ratio based on distorting frequently occuring signals
DE10011193B4 (de) * 2000-03-08 2004-02-05 Sennheiser Electronic Gmbh & Co. Kg Kompandersystem mit einer Kompressorschaltung und einer Expanderschaltung

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US28426A (en) * 1860-05-22 Shortening tires
US2558002A (en) * 1939-10-24 1951-06-26 Int Standard Electric Corp Volume compression system
US3022473A (en) * 1959-08-18 1962-02-20 Bell Telephone Labor Inc Signal recovery circuits
GB1253031A (de) * 1968-01-10 1971-11-10
US3903485A (en) * 1968-01-10 1975-09-02 Ray Milton Dolby Compressors, expanders and noise reduction systems
US3846719A (en) * 1973-09-13 1974-11-05 Dolby Laboratories Inc Noise reduction systems
USRE28426E (en) * 1968-11-01 1975-05-20 Signal compressors and expanders
US3757254A (en) * 1970-06-05 1973-09-04 Victor Co Ltd N system noise reduction system and apparatus using a compression and expansio
GB1390341A (en) * 1971-03-12 1975-04-09 Dolby Laboratories Inc Signal compressors and expanders
FI57502C (fi) * 1971-04-06 1980-08-11 Victor Company Of Japan Kompressions- och expansionssystem
US3875537A (en) * 1972-05-02 1975-04-01 Dolby Laboratories Inc Circuits for modifying the dynamic range of an input signal
GB1432763A (en) * 1972-05-02 1976-04-22 Dolby Laboratories Inc Compressors expanders and noise reduction systems
US3934190A (en) * 1972-09-15 1976-01-20 Dolby Laboratories, Inc. Signal compressors and expanders
US3909733A (en) * 1973-05-17 1975-09-30 Dolby Laboratories Inc Dynamic range modifying circuits utilizing variable negative resistance
US3971405A (en) * 1974-07-15 1976-07-27 Parker-Hannifin Corporation Pressure controlled hydrant valve coupler
US3930208A (en) * 1974-08-29 1975-12-30 Northern Electric Co A-C signal processing circuits for compandors
US3902131A (en) * 1974-09-06 1975-08-26 Quadracast Systems Tandem audio dynamic range expander
JPS51127608A (en) * 1975-04-30 1976-11-06 Victor Co Of Japan Ltd Signal transmitting unit
US4061874A (en) * 1976-06-03 1977-12-06 Fricke J P System for reproducing sound information
DE2803751C2 (de) * 1978-01-28 1982-06-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur automatischen Dynamik- Kompression oder -Expansion
JPS5552971A (en) * 1978-10-16 1980-04-17 Mitsubishi Electric Corp Simulator for radar indicator

Also Published As

Publication number Publication date
DE3125789C2 (de) 1984-01-12
KR830006993A (ko) 1983-10-12
NL190214B (nl) 1993-07-01
ES8204255A1 (es) 1982-04-16
NL8103122A (nl) 1982-01-18
AT372796B (de) 1983-11-10
GB2079112A (en) 1982-01-13
AU544888B2 (en) 1985-06-20
NL8103124A (nl) 1982-01-18
DE3125790A1 (de) 1982-05-13
NL192652B (nl) 1997-07-01
HK28385A (en) 1985-04-12
SE8104062L (sv) 1981-12-31
KR880000105B1 (ko) 1988-02-23
HK28285A (en) 1985-04-12
FI74368C (fi) 1988-01-11
GB2079114B (en) 1984-10-03
ES503496A0 (es) 1982-04-16
IT1137987B (it) 1986-09-10
DE3125788C2 (de) 1992-06-11
AU7239481A (en) 1982-01-07
DK156356C (da) 1989-12-27
DK172325B1 (da) 1998-03-16
SG4585G (en) 1985-06-14
FI812026L (fi) 1981-12-31
NO157398C (no) 1988-03-09
SG4285G (en) 1985-06-14
KR840002491B1 (ko) 1984-12-31
NL190214C (nl) 1993-12-01
IT8122652A0 (it) 1981-06-30
KR840002492B1 (ko) 1984-12-31
ATA291481A (de) 1987-12-15
DK156356B (da) 1989-08-07
DE3125790C2 (de) 1992-11-12
AU545125B2 (en) 1985-07-04
NL189988B (nl) 1993-04-16
AU7236581A (en) 1982-01-07
SE8104063L (sv) 1981-12-31
NL8103123A (nl) 1982-01-18
NO812218L (no) 1982-01-04
NO157399C (no) 1988-03-09
CH654703A5 (de) 1986-02-28
IT1137986B (it) 1986-09-10
ES8301084A1 (es) 1982-11-01
AU7239381A (en) 1982-01-07
IT8122651A0 (it) 1981-06-30
NL192652C (nl) 1997-11-04
GB2079113A (en) 1982-01-13
FI74368B (fi) 1987-09-30
MY8501147A (en) 1985-12-31
CH660653A5 (de) 1987-05-15
ATA291581A (de) 1983-03-15
FI812025L (fi) 1981-12-31
NO812216L (no) 1982-01-04
NO157398B (no) 1987-11-30
SG4385G (en) 1985-06-14
FI79428C (fi) 1989-12-11
GB2079113B (en) 1984-10-03
ATA291681A (de) 1988-03-15
IT8122650A0 (it) 1981-06-30
AT386911B (de) 1988-11-10
CH662684A5 (de) 1987-10-15
GB2079114A (en) 1982-01-13
SE450985B (sv) 1987-09-07
KR830006992A (ko) 1983-10-12
NO812217L (no) 1982-01-04
IT1137985B (it) 1986-09-10
AT386304B (de) 1988-08-10
SE447524B (sv) 1986-11-17
MY8501148A (en) 1985-12-31
BR8104157A (pt) 1982-03-16
NO157399B (no) 1987-11-30
DK282581A (da) 1981-12-31
ES503497A0 (es) 1982-11-01
NO157400C (no) 1988-03-09
NL189988C (nl) 1993-09-16
DK282981A (da) 1981-12-31
ES503493A0 (es) 1982-10-01
DE3125788A1 (de) 1982-05-13
SE8104061L (sv) 1981-12-31
FI76456B (fi) 1988-06-30
BR8104156A (pt) 1982-03-16
NO157400B (no) 1987-11-30
HK28485A (en) 1985-04-12
SE447525B (sv) 1986-11-17
GB2079112B (en) 1984-10-03
AU546641B2 (en) 1985-09-12
FI79428B (fi) 1989-08-31
DK282881A (da) 1981-12-31
ES8300233A1 (es) 1982-10-01
MY8501149A (en) 1985-12-31
BR8104158A (pt) 1982-03-16
FI812024L (fi) 1981-12-31
DK168806B1 (da) 1994-06-13
DE3125789A1 (de) 1982-05-19
FI76456C (fi) 1988-10-10

Similar Documents

Publication Publication Date Title
US4701722A (en) Circuit arrangements for modifying dynamic range using series and parallel circuit techniques
US4135590A (en) Noise suppressor system
US8787595B2 (en) Audio signal adjustment device and audio signal adjustment method having long and short term gain adjustment
CA1061255A (en) Real time amplitude control of electrical waves
US4281295A (en) Noise reducing apparatus
US4376916A (en) Signal compression and expansion system
KR900008595B1 (ko) 적응 신호웨이팅 시스템
JP2623247B2 (ja) 音声信号ダイナミツクレンジ改変用過渡特性制御回路
US4498060A (en) Circuit arrangements for modifying dynamic range using series arranged bi-linear circuits
KR880000106B1 (ko) 다이나믹레인지 변화회로장치
US4001732A (en) Calibration oscillators for noise reduction systems
KR950005176B1 (ko) 가변 결합 기술을 사용하여 동적범위를 변경시키기 위한 회로장치
GB2111356A (en) Improvements in circuit arrangements for modifying dynamic range
JPH04365210A (ja) 車載音響再生装置
KR0149651B1 (ko) 압축기 또는 신장기와 같은 오디오 신호의 다이나믹 레인지를 변경시키기 위한 회로 및 그 방법
US3978423A (en) Dynamic expander
CA1188996A (en) Circuit arrangements for modifying dynamic range
JPS6333807B2 (de)
JPH0243381B2 (de)
CA1201388A (en) Improvements in audio compressors and expanders
CA1219809A (en) Audio compressors and expanders
JPS6338888B2 (de)
JPS58108836A (ja) ノイズを減少させるために圧縮された可聴信号の伸長器
DE1572429B2 (de) Schallplatte mit in ihrer dynamik komprimierten tonsignalen sowie aufzeichnungsund wiedergabeverfahren hierfuer