AT308832B - CIRCUIT ARRANGEMENT FOR SIGNAL TRANSMISSION WITH AT LEAST ONE SIGNAL COMPRESSOR AND / OR EXPANDER - Google Patents

CIRCUIT ARRANGEMENT FOR SIGNAL TRANSMISSION WITH AT LEAST ONE SIGNAL COMPRESSOR AND / OR EXPANDER

Info

Publication number
AT308832B
AT308832B AT47171A AT47171A AT308832B AT 308832 B AT308832 B AT 308832B AT 47171 A AT47171 A AT 47171A AT 47171 A AT47171 A AT 47171A AT 308832 B AT308832 B AT 308832B
Authority
AT
Austria
Prior art keywords
signal
expander
circuit arrangement
compressor
signal transmission
Prior art date
Application number
AT47171A
Other languages
German (de)
Original Assignee
Ray Dolby Fa
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 Dolby Fa filed Critical Ray Dolby Fa
Application granted granted Critical
Publication of AT308832B publication Critical patent/AT308832B/en

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
    • H03G9/025—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Processing Of Color Television Signals (AREA)
AT47171A 1968-01-10 1969-01-10 CIRCUIT ARRANGEMENT FOR SIGNAL TRANSMISSION WITH AT LEAST ONE SIGNAL COMPRESSOR AND / OR EXPANDER AT308832B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB154068 1968-01-10

Publications (1)

Publication Number Publication Date
AT308832B true AT308832B (en) 1973-06-15

Family

ID=9723759

Family Applications (2)

Application Number Title Priority Date Filing Date
AT22669A AT303122B (en) 1968-01-10 1969-01-10 Circuit arrangement for signal transmission, recording and / or reproduction
AT47171A AT308832B (en) 1968-01-10 1969-01-10 CIRCUIT ARRANGEMENT FOR SIGNAL TRANSMISSION WITH AT LEAST ONE SIGNAL COMPRESSOR AND / OR EXPANDER

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT22669A AT303122B (en) 1968-01-10 1969-01-10 Circuit arrangement for signal transmission, recording and / or reproduction

Country Status (11)

Country Link
JP (4) JPS518284B1 (en)
AT (2) AT303122B (en)
BE (1) BE726177A (en)
CH (1) CH501342A (en)
DE (1) DE1900639B2 (en)
DK (1) DK140299B (en)
FR (1) FR1600207A (en)
GB (1) GB1253031A (en)
NL (1) NL161006C (en)
NO (2) NO126505B (en)
SE (3) SE350379B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1390341A (en) * 1971-03-12 1975-04-09 Dolby Laboratories Inc Signal compressors and expanders
US3729693A (en) * 1971-08-02 1973-04-24 R Dolby Compressor/expander switching methods and apparatus
GB1432763A (en) * 1972-05-02 1976-04-22 Dolby Laboratories Inc Compressors expanders and noise reduction systems
GB1438711A (en) * 1973-01-23 1976-06-09 Dolby Laboratories Inc Calibration oscillators for noise reduction systems
CA1000617A (en) * 1973-05-17 1976-11-30 Ray M. Dolby Compressors, expanders and noise reduction systems
JPS5439516A (en) * 1977-09-02 1979-03-27 Sanyo Electric Co Ltd Noise reduction unit
DE2856045A1 (en) * 1978-12-23 1980-07-10 Licentia Gmbh CIRCUIT FOR SELECTING AUTOMATIC DYNAMIC COMPRESSION OR EXPANSION
DE2919280A1 (en) * 1979-05-12 1980-11-20 Licentia Gmbh CIRCUIT FOR SELECTING AUTOMATIC DYNAMIC COMPRESSION OR EXPANSION
DK168806B1 (en) * 1980-06-30 1994-06-13 Ray Milton Dolby Circuit arrangement for dynamic range modification
JP2005175674A (en) * 2003-12-09 2005-06-30 Nec Corp Signal compression/decompression device and portable communication terminal
JP7165277B1 (en) * 2022-02-02 2022-11-02 幾美 相澤 Reused food product and method for manufacturing reusable food product

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111635A (en) 1960-05-05 1963-11-19 Fairchild Recording Equipment Method and apparatus for eliminating overloading in modulating systems having pre-emphasis means
FR1489458A (en) 1965-08-13 1967-07-21 Ford France Radiation curable paint binder

Also Published As

Publication number Publication date
DE1900639A1 (en) 1969-07-31
BE726177A (en) 1969-05-29
AT303122B (en) 1972-11-10
CH501342A (en) 1970-12-31
NL161006B (en) 1979-07-16
SE366623B (en) 1974-04-29
NL161006C (en) 1979-12-17
JPS518767B1 (en) 1976-03-19
JPS531602B1 (en) 1978-01-20
NL6900209A (en) 1969-07-14
DE1900639B2 (en) 1976-04-01
FR1600207A (en) 1970-07-20
SE367106B (en) 1974-05-13
GB1253031A (en) 1971-11-10
DK140299B (en) 1979-07-23
NO128842B (en) 1974-01-14
JPS518284B1 (en) 1976-03-16
DK140299C (en) 1980-01-14
JPS518768B1 (en) 1976-03-19
SE350379B (en) 1972-10-23
NO126505B (en) 1973-02-12

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time