SE382292B - Kompressions- och expansionsforsterkaranordning. - Google Patents

Kompressions- och expansionsforsterkaranordning.

Info

Publication number
SE382292B
SE382292B SE7204344A SE434472A SE382292B SE 382292 B SE382292 B SE 382292B SE 7204344 A SE7204344 A SE 7204344A SE 434472 A SE434472 A SE 434472A SE 382292 B SE382292 B SE 382292B
Authority
SE
Sweden
Prior art keywords
compression
amplifier device
expansion amplifier
expansion
amplifier
Prior art date
Application number
SE7204344A
Other languages
English (en)
Inventor
N Takahashi
K Nishikawa
Y Ishigaki
Y Itoh
Y Fujita
Original Assignee
Victor Company Of Japan
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
Priority claimed from JP2125871A external-priority patent/JPS5731321B1/ja
Priority claimed from JP3998771A external-priority patent/JPS5120124B1/ja
Priority claimed from JP8261871A external-priority patent/JPS5427682B2/ja
Application filed by Victor Company Of Japan filed Critical Victor Company Of Japan
Publication of SE382292B publication Critical patent/SE382292B/sv

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
    • H03G9/12—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
SE7204344A 1971-04-06 1972-04-05 Kompressions- och expansionsforsterkaranordning. SE382292B (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2125871A JPS5731321B1 (sv) 1971-04-06 1971-04-06
JP3998771A JPS5120124B1 (sv) 1971-06-07 1971-06-07
JP8261871A JPS5427682B2 (sv) 1971-10-19 1971-10-19

Publications (1)

Publication Number Publication Date
SE382292B true SE382292B (sv) 1976-01-19

Family

ID=27283356

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7204344A SE382292B (sv) 1971-04-06 1972-04-05 Kompressions- och expansionsforsterkaranordning.

Country Status (12)

Country Link
US (1) US3795876A (sv)
BE (1) BE781712A (sv)
CA (1) CA962604A (sv)
CH (1) CH562535A5 (sv)
DE (1) DE2216498C3 (sv)
DK (1) DK145190C (sv)
FI (1) FI57502C (sv)
FR (1) FR2136186A5 (sv)
GB (1) GB1367002A (sv)
IT (1) IT957498B (sv)
NL (1) NL163389C (sv)
SE (1) SE382292B (sv)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934190A (en) * 1972-09-15 1976-01-20 Dolby Laboratories, Inc. Signal compressors and expanders
NO142768C (no) * 1974-01-26 1980-10-08 Licentia Gmbh Kopling for automatisk dynamikk-kompresjon eller -ekspansjon
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
JPS5327010A (en) * 1976-08-25 1978-03-13 Sony Corp Signal tran smitter
JPS5351910A (en) * 1976-10-21 1978-05-11 Toshiba Corp Noise reduction system
JPS5351909A (en) * 1976-10-21 1978-05-11 Toshiba Corp Noise reduction system
US4114115A (en) * 1976-11-04 1978-09-12 California Microwave, Inc. Compandor apparatus
JPS5545112A (en) * 1978-09-22 1980-03-29 Sony Corp Signal transmitter
JPS56106433A (en) * 1980-01-28 1981-08-24 Sony Corp Noise reducing circuit
JPS56107648A (en) * 1980-01-30 1981-08-26 Sony Corp Noise reduction circuit
JPS56122243A (en) * 1980-02-29 1981-09-25 Victor Co Of Japan Ltd Noise reduction system
JPS56152337A (en) * 1980-04-24 1981-11-25 Victor Co Of Japan Ltd Noise reduction system
DK168806B1 (da) * 1980-06-30 1994-06-13 Ray Milton Dolby Kredsløbsarrangement til modifikation af dynamikområde
JPS5744338A (en) * 1980-08-29 1982-03-12 Victor Co Of Japan Ltd Noise reduction device
US4457014A (en) * 1980-10-03 1984-06-26 Metme Communications Signal transfer and system utilizing transmission lines
EP0062034A1 (en) * 1980-10-03 1982-10-13 BLOY, Graham Philip System for maximum efficient transfer of modulated audio frequency energy
DE3152946T1 (de) * 1981-08-26 1983-12-01 Bloy, Graham Philip System zur uebertragung von modulierten signalen unter verwendung von leistungssystemen mit maximalem wirkungsgrad
US4498055A (en) * 1981-09-10 1985-02-05 Dolby Ray Milton Circuit arrangements for modifying dynamic range
GB2111355B (en) * 1981-12-01 1985-02-13 Ray Milton Dolby Improvements in circuit arrangements for modifying dynamic range
EP0099881A1 (en) * 1982-01-26 1984-02-08 BLOY, Graham Philip System for maximum efficient transfer of modulated energy
AT384128B (de) * 1982-05-05 1987-10-12 Dolby Lab Licensing Corp Analog/digital-umsetzsystem
US4493091A (en) * 1982-05-05 1985-01-08 Dolby Laboratories Licensing Corporation Analog and digital signal apparatus
US4518994A (en) * 1982-12-20 1985-05-21 Rca Corporation Communication system compandor
US4736433A (en) * 1985-06-17 1988-04-05 Dolby Ray Milton Circuit arrangements for modifying dynamic range using action substitution and superposition techniques
US4809338A (en) * 1985-07-05 1989-02-28 Harman International Industries, Incorporated Automotive sound system
US4759065A (en) * 1986-09-22 1988-07-19 Harman International Industries, Incorporated Automotive sound system
USRE36637E (en) * 1988-04-07 2000-04-04 Palmer; David W. Flow regulator
US5687760A (en) * 1988-04-07 1997-11-18 Palmer; David W. Flow regulator
US5597011A (en) * 1988-04-07 1997-01-28 Palmer; David W. Flow regulator
US5450873A (en) * 1988-04-07 1995-09-19 Palmer; David W. System for controlling flow through a process region
US5655562A (en) * 1988-04-07 1997-08-12 Palmer; David W. System for controlling flow through a process region
US5456280A (en) * 1988-04-07 1995-10-10 Palmer; David W. Process-chamber flow control system
US5634490A (en) * 1988-04-07 1997-06-03 Palmer; David W. Process-chamber flow control system
US6556685B1 (en) * 1998-11-06 2003-04-29 Harman Music Group Companding noise reduction system with simultaneous encode and decode
JP2002169597A (ja) * 2000-09-05 2002-06-14 Victor Co Of Japan Ltd 音声信号処理装置、音声信号処理方法、音声信号処理のプログラム、及び、そのプログラムを記録した記録媒体
AU2002219854A1 (en) 2000-11-06 2002-05-15 Brooks Automation, Inc. Method and apparatus for a flow regulator having an integral hinge
US7164312B1 (en) * 2004-08-02 2007-01-16 National Semiconductor Corporation Apparatus and method for pop-and-click suppression with fast turn-on time
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US9413321B2 (en) 2004-08-10 2016-08-09 Bongiovi Acoustics Llc System and method for digital signal processing
WO2006020427A2 (en) * 2004-08-10 2006-02-23 Anthony Bongiovi System for and method of audio signal processing for presentation in a high-noise environment
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US9615189B2 (en) 2014-08-08 2017-04-04 Bongiovi Acoustics Llc Artificial ear apparatus and associated methods for generating a head related audio transfer function
US11202161B2 (en) 2006-02-07 2021-12-14 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9398394B2 (en) 2013-06-12 2016-07-19 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9397629B2 (en) 2013-10-22 2016-07-19 Bongiovi Acoustics Llc System and method for digital signal processing
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
WO2017087495A1 (en) 2015-11-16 2017-05-26 Bongiovi Acoustics Llc Surface acoustic transducer
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
AU2019252524A1 (en) 2018-04-11 2020-11-05 Bongiovi Acoustics Llc Audio enhanced hearing protection system
WO2020028833A1 (en) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3278866A (en) * 1959-10-23 1966-10-11 Amar G Bose Selective transmission
NL272110A (nl) * 1960-12-08 1964-08-25 Jean Albert Dreyfus Drukaandrijving
US3535550A (en) * 1967-07-11 1970-10-20 Bunker Ramo Pulse normalizing expanding or compressing circuit

Also Published As

Publication number Publication date
BE781712A (fr) 1972-07-31
FI57502B (fi) 1980-04-30
GB1367002A (en) 1974-09-18
FR2136186A5 (sv) 1972-12-22
US3795876A (en) 1974-03-05
NL163389C (nl) 1980-08-15
DE2216498A1 (de) 1972-11-23
FI57502C (fi) 1980-08-11
CA962604A (en) 1975-02-11
NL163389B (nl) 1980-03-17
DE2216498C3 (de) 1978-05-11
NL7204599A (sv) 1972-10-10
DK145190B (da) 1982-09-27
DE2216498B2 (de) 1977-06-08
IT957498B (it) 1973-10-10
DK145190C (da) 1983-04-11
CH562535A5 (sv) 1975-05-30

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