DK169371B1 - Kredsløbsarrangement til modifikation af et dynamikområde - Google Patents

Kredsløbsarrangement til modifikation af et dynamikområde Download PDF

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Publication number
DK169371B1
DK169371B1 DK281686A DK281686A DK169371B1 DK 169371 B1 DK169371 B1 DK 169371B1 DK 281686 A DK281686 A DK 281686A DK 281686 A DK281686 A DK 281686A DK 169371 B1 DK169371 B1 DK 169371B1
Authority
DK
Denmark
Prior art keywords
circuit
signal
frequency
band
elements
Prior art date
Application number
DK281686A
Other languages
Danish (da)
English (en)
Other versions
DK281686A (da
DK281686D0 (da
Inventor
Ray Milton Dolby
Original Assignee
Ray Milton Dolby
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 Ray Milton Dolby filed Critical Ray Milton Dolby
Publication of DK281686D0 publication Critical patent/DK281686D0/da
Publication of DK281686A publication Critical patent/DK281686A/da
Application granted granted Critical
Publication of DK169371B1 publication Critical patent/DK169371B1/da

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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
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • 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

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Design And Manufacture Of Integrated Circuits (AREA)
DK281686A 1985-06-17 1986-06-16 Kredsløbsarrangement til modifikation af et dynamikområde DK169371B1 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US74496385A 1985-06-17 1985-06-17
US74496385 1985-06-17
US84862286 1986-04-08
US06/848,622 US4736433A (en) 1985-06-17 1986-04-08 Circuit arrangements for modifying dynamic range using action substitution and superposition techniques

Publications (3)

Publication Number Publication Date
DK281686D0 DK281686D0 (da) 1986-06-16
DK281686A DK281686A (da) 1986-12-18
DK169371B1 true DK169371B1 (da) 1994-10-10

Family

ID=27114380

Family Applications (1)

Application Number Title Priority Date Filing Date
DK281686A DK169371B1 (da) 1985-06-17 1986-06-16 Kredsløbsarrangement til modifikation af et dynamikområde

Country Status (12)

Country Link
US (1) US4736433A (es)
EP (1) EP0206731B1 (es)
JP (1) JP2753550B2 (es)
KR (1) KR960001492B1 (es)
CN (1) CN1015223B (es)
AU (1) AU590766B2 (es)
CA (1) CA1278526C (es)
DE (1) DE3689496T2 (es)
DK (1) DK169371B1 (es)
ES (1) ES8801758A1 (es)
FI (1) FI80973C (es)
NO (1) NO169265C (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3445586A1 (de) * 1984-12-14 1986-07-03 Amberger Kaolinwerke Gmbh, 8452 Hirschau Verfahren zur sandrueckgewinnung aus mit sand versetztem baggerwasser, sowie zugehoerige vorrichtung
AU4207089A (en) * 1988-08-23 1990-03-23 B.W.N. Wavepur Rights Company Frequency-compensated linear sliding-band network
US5170434A (en) * 1988-08-30 1992-12-08 Beltone Electronics Corporation Hearing aid with improved noise discrimination
ATE85868T1 (de) * 1989-04-03 1993-03-15 Dolby Lab Licensing Corp Audiokompressor, expander und rauschunterdrueckungsschaltungen fuer verbraucher und semiprofessionelle anwendungen.
US5185806A (en) * 1989-04-03 1993-02-09 Dolby Ray Milton Audio compressor, expander, and noise reduction circuits for consumer and semi-professional use
US5278912A (en) * 1991-06-28 1994-01-11 Resound Corporation Multiband programmable compression system
US5424881A (en) 1993-02-01 1995-06-13 Cirrus Logic, Inc. Synchronous read channel
US5451949A (en) * 1993-02-16 1995-09-19 Dolby Laboratories Licensing Corporation One-bit analog-to-digital converters and digital-to-analog converters using an adaptive filter having two regimes of operation
US5537477A (en) * 1994-02-07 1996-07-16 Ensoniq Corporation Frequency characteristic shaping circuitry and method
US5910995A (en) * 1995-11-22 1999-06-08 Sony Corporation Of Japan DSP decoder for decoding analog SR encoded audio signals
US5907623A (en) 1995-11-22 1999-05-25 Sony Corporation Of Japan Audio noise reduction system implemented through digital signal processing
US5980211A (en) * 1996-04-22 1999-11-09 Sanyo Electric Co., Ltd. Circuit arrangement for driving a reciprocating piston in a cylinder of a linear compressor for generating compressed gas with a linear motor
US7003120B1 (en) 1998-10-29 2006-02-21 Paul Reed Smith Guitars, Inc. Method of modifying harmonic content of a complex waveform
US6518852B1 (en) 1999-04-19 2003-02-11 Raymond J. Derrick Information signal compressor and expander
US6928170B1 (en) 2000-11-02 2005-08-09 Audio Technica, Inc. Wireless microphone having a split-band audio frequency companding system that provides improved noise reduction and sound quality
US7017870B2 (en) * 2002-01-07 2006-03-28 Meyer Ronald L Microphone support system
US20030216907A1 (en) * 2002-05-14 2003-11-20 Acoustic Technologies, Inc. Enhancing the aural perception of speech
US9373339B2 (en) 2008-05-12 2016-06-21 Broadcom Corporation Speech intelligibility enhancement system and method
US8351621B2 (en) * 2010-03-26 2013-01-08 Bose Corporation System and method for excursion limiting
US9917565B2 (en) * 2015-10-20 2018-03-13 Bose Corporation System and method for distortion limiting
US11371976B2 (en) 2018-08-22 2022-06-28 AerNos, Inc. Systems and methods for an SoC based electronic system for detecting multiple low concentration gas levels
US20200064294A1 (en) * 2018-08-22 2020-02-27 AerNos, Inc. Nano gas sensor system based on a hybrid nanostructure sensor array, electronics, algorithms, and normalized cloud data to detect, measure and optimize detection of gases to provide highly granular and actionable gas sensing information

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US30468A (en) * 1860-10-23 Kstife-cleastek
US3846719A (en) * 1973-09-13 1974-11-05 Dolby Laboratories Inc Noise reduction systems
GB1367002A (en) * 1971-04-06 1974-09-18 Victor Company Of Japan Compression and/or expansion system and circuit
JPS56152337A (en) * 1980-04-24 1981-11-25 Victor Co Of Japan Ltd Noise reduction system
US4490691A (en) * 1980-06-30 1984-12-25 Dolby Ray Milton Compressor-expander circuits and, circuit arrangements for modifying dynamic range, for suppressing mid-frequency modulation effects and for reducing media overload
DK168806B1 (da) * 1980-06-30 1994-06-13 Ray Milton Dolby Kredsløbsarrangement til modifikation af dynamikområde
US4412100A (en) * 1981-09-21 1983-10-25 Orban Associates, Inc. Multiband signal processor
JPS58106922A (ja) * 1981-12-01 1983-06-25 レ−・ミルトン・ドルビ ダイナミツクレンジ改変回路装置
US4498060A (en) * 1981-12-01 1985-02-05 Dolby Ray Milton Circuit arrangements for modifying dynamic range using series arranged bi-linear circuits

Also Published As

Publication number Publication date
KR960001492B1 (en) 1996-01-31
DE3689496T2 (de) 1994-05-19
KR870000800A (ko) 1987-02-20
FI862544A (fi) 1986-12-18
US4736433A (en) 1988-04-05
EP0206731A2 (en) 1986-12-30
CA1278526C (en) 1991-01-02
CN1015223B (zh) 1991-12-25
FI80973C (fi) 1990-08-10
DK281686A (da) 1986-12-18
JP2753550B2 (ja) 1998-05-20
AU5802586A (en) 1986-12-24
NO169265C (no) 1992-05-27
JPS62276910A (ja) 1987-12-01
ES8801758A1 (es) 1988-02-16
ES556084A0 (es) 1988-02-16
EP0206731A3 (en) 1988-07-13
FI862544A0 (fi) 1986-06-16
NO862394L (no) 1986-12-18
NO169265B (no) 1992-02-17
DE3689496D1 (de) 1994-02-17
DK281686D0 (da) 1986-06-16
FI80973B (fi) 1990-04-30
AU590766B2 (en) 1989-11-16
EP0206731B1 (en) 1994-01-05
NO862394D0 (no) 1986-06-16
CN86104008A (zh) 1987-01-21

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)