SE409069B - Kopplingsanordning for modifiering av en insignals dynamikomrade - Google Patents

Kopplingsanordning for modifiering av en insignals dynamikomrade

Info

Publication number
SE409069B
SE409069B SE7602316A SE7602316A SE409069B SE 409069 B SE409069 B SE 409069B SE 7602316 A SE7602316 A SE 7602316A SE 7602316 A SE7602316 A SE 7602316A SE 409069 B SE409069 B SE 409069B
Authority
SE
Sweden
Prior art keywords
modifying
input signal
dynamic range
coupling device
coupling
Prior art date
Application number
SE7602316A
Other languages
English (en)
Other versions
SE7602316L (sv
Inventor
R M Dolby
Original Assignee
Dolby Laboratories Inc
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 Dolby Laboratories Inc filed Critical Dolby Laboratories Inc
Publication of SE7602316L publication Critical patent/SE7602316L/sv
Publication of SE409069B publication Critical patent/SE409069B/sv

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/0405—Non-linear filters
    • 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
    • H03G9/025—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
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
SE7602316A 1972-05-02 1976-02-25 Kopplingsanordning for modifiering av en insignals dynamikomrade SE409069B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2040672A GB1432763A (en) 1972-05-02 1972-05-02 Compressors expanders and noise reduction systems

Publications (2)

Publication Number Publication Date
SE7602316L SE7602316L (sv) 1976-02-25
SE409069B true SE409069B (sv) 1979-07-23

Family

ID=10145451

Family Applications (3)

Application Number Title Priority Date Filing Date
SE7305908A SE404862B (sv) 1972-05-02 1973-04-26 Anleggning for kompression och expansion av signaler
SE7602316A SE409069B (sv) 1972-05-02 1976-02-25 Kopplingsanordning for modifiering av en insignals dynamikomrade
SE7602315A SE414102B (sv) 1972-05-02 1976-02-25 Anleggning for brusreducering

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE7305908A SE404862B (sv) 1972-05-02 1973-04-26 Anleggning for kompression och expansion av signaler

Family Applications After (1)

Application Number Title Priority Date Filing Date
SE7602315A SE414102B (sv) 1972-05-02 1976-02-25 Anleggning for brusreducering

Country Status (11)

Country Link
US (1) US3828280A (sv)
JP (1) JPS57685B2 (sv)
AT (1) AT358099B (sv)
CA (1) CA988432A (sv)
CH (1) CH559473A5 (sv)
DE (1) DE2321686C2 (sv)
FR (1) FR2183155B1 (sv)
GB (1) GB1432763A (sv)
IT (1) IT1030662B (sv)
NL (1) NL186989C (sv)
SE (3) SE404862B (sv)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909733A (en) * 1973-05-17 1975-09-30 Dolby Laboratories Inc Dynamic range modifying circuits utilizing variable negative resistance
JPS519805A (ja) * 1974-07-15 1976-01-26 Sanyo Electric Co Zatsuonteigenkairo
US4155041A (en) 1976-05-13 1979-05-15 Burns Richard C System for reducing noise transients
JPS5918723Y2 (ja) * 1976-10-26 1984-05-30 株式会社東芝 雑音低減装置における信号レベル表示装置
US4142211A (en) * 1977-11-23 1979-02-27 Microtime, Inc. Bidimensional noise reduction system for television
FR2435156A1 (fr) * 1978-08-31 1980-03-28 Izakson Ilya Filtre adaptatif
JPS55156431A (en) * 1979-05-24 1980-12-05 Sony Corp Noise reduction system
SE422369B (sv) * 1979-08-03 1982-03-01 Arvid Lundbeck Anordning for kompensering av overforingsfunktion
JPS56106433A (en) * 1980-01-28 1981-08-24 Sony Corp Noise reducing circuit
JPS56157112A (en) * 1980-05-08 1981-12-04 Pioneer Electronic Corp Compressing and expanding circuit for signal
DK172325B1 (da) * 1980-06-30 1998-03-16 Ray Milton Dolby Signalkompressor og signalekspander til brug i et transmissionssystem
BE889428A (fr) * 1980-06-30 1981-10-16 Dolby Ray Milton Dispositif destine a modifier la plage dynamique de signaux d'entree
GB2111356B (en) * 1981-12-01 1985-03-20 Ray Milton Dolby Improvements in circuit arrangements for modifying dynamic range
CA1188384A (en) * 1981-12-29 1985-06-04 Masayuki Katakura Noise reduction circuit
US4737735A (en) * 1986-07-25 1988-04-12 Kampes Donald P Phantom powered amplifier
US4944024A (en) * 1989-02-02 1990-07-24 Amaf Industries, Inc. Method and apparatus for reducing noise in a linked compressor-expander telecommunications system
US5278912A (en) * 1991-06-28 1994-01-11 Resound Corporation Multiband programmable compression system
EP2232700B1 (en) 2007-12-21 2014-08-13 Dts Llc System for adjusting perceived loudness of audio signals
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
CN109416330B (zh) 2016-07-16 2022-09-27 株式会社理学 混合检查系统
US11990380B2 (en) * 2019-04-19 2024-05-21 Kla Corporation Methods and systems for combining x-ray metrology data sets to improve parameter estimation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2193966A (en) * 1936-08-05 1940-03-19 Jones Cyril Edward Palmer Volume range controlling arrangement employing thermionic amplifiers
GB1253031A (sv) * 1968-01-10 1971-11-10
US3631365A (en) * 1968-11-01 1971-12-28 Dolby Laboratories Inc Signal compressors and expanders
US3665345A (en) * 1969-07-21 1972-05-23 Dolby Laboratories Inc Compressors and expanders for noise reduction systems
US3729693A (en) * 1971-08-02 1973-04-24 R Dolby Compressor/expander switching methods and apparatus

Also Published As

Publication number Publication date
SE7602315L (sv) 1976-02-25
SE414102B (sv) 1980-07-07
US3828280A (en) 1974-08-06
JPS4956562A (sv) 1974-06-01
GB1432763A (en) 1976-04-22
SE404862B (sv) 1978-10-30
FR2183155B1 (sv) 1977-09-02
IT1030662B (it) 1979-04-10
NL186989B (nl) 1990-11-16
AT358099B (de) 1980-08-25
JPS57685B2 (sv) 1982-01-07
CA988432A (en) 1976-05-04
DE2321686C2 (de) 1982-12-30
FR2183155A1 (sv) 1973-12-14
NL186989C (nl) 1991-04-16
SE7602316L (sv) 1976-02-25
DE2321686A1 (de) 1973-11-08
ATA385973A (de) 1980-01-15
CH559473A5 (sv) 1975-02-28
NL7306131A (sv) 1973-11-06

Similar Documents

Publication Publication Date Title
SE409069B (sv) Kopplingsanordning for modifiering av en insignals dynamikomrade
SE381968B (sv) Kopplingsanordning for att modifiera en insignals dynamikomrade
SE413967B (sv) Anordning for omvandling av fergbildsignaler
SE429100B (sv) Anordning for inforande av en kateter
SE396487B (sv) Anordning for indikering av tillstandet for en fysikalisk storhet
BR7306596D0 (pt) Um sistema de transmissao e transmissao de mudanca
SE388767B (sv) Anordning for skyltningsendamal
SE403888B (sv) Anordning for alstrande av stotvagor medelst en overljudsprojektil
SE383210B (sv) Anordning for fjerrdetektering av ledande kroppar.
NO140949C (no) Anordning for tilveiebringelse av et signal representativt for bormoment
SE399225B (sv) Anordning for paforing av avskurna lengder av klisterremsor
IT947126B (it) Amplificatore elettronico di segnali
NO137738C (no) Foelgeapparat for foelging av posisjonen av et transduktorelement
SE386352B (sv) Anordning for avkenning och kontroll av en traktors dragkraft
FI53904B (fi) Foerfarande foer demodulering av en differentialt fasmodulerad signal
SE390569B (sv) Anordning for tryckprovning av ror
SE403333B (sv) Koppling for att modifiera en insignals dynamikomrade
SE393877B (sv) Kopplingsanordning for alstring av en styrd frekvens
SE388091B (sv) Enhet for alstring av en vesentligen ekvidistant serie av avkenningssignaler for avkenning av en tvaverd insignal
AR196642A1 (es) Dispositivo transmisor de senal
SE388988B (sv) Signaloverforingsanordning
SE395018B (sv) Sett och anordning for framstellning av en plyschvara
BR7305051D0 (pt) Amplificador aperfeicoado de sinais fracos
FI56670B (fi) Foerfarande foer framstaellning av 5-cyklohexyl-6-halogenindan-1-karboxylsyraderivat
SE393497B (sv) Anordning for demodulering av en frekvensmodulerad signal

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7602316-7

Effective date: 19930510

Format of ref document f/p: F