NL161006C - DEVICE FOR COMPRESSION AND / OR EXPANSION OF THE DYNAMIC RANGE OF AN INPUT SIGNAL. - Google Patents

DEVICE FOR COMPRESSION AND / OR EXPANSION OF THE DYNAMIC RANGE OF AN INPUT SIGNAL.

Info

Publication number
NL161006C
NL161006C NL6900209A NL6900209A NL161006C NL 161006 C NL161006 C NL 161006C NL 6900209 A NL6900209 A NL 6900209A NL 6900209 A NL6900209 A NL 6900209A NL 161006 C NL161006 C NL 161006C
Authority
NL
Netherlands
Prior art keywords
expansion
compression
input signal
dynamic range
dynamic
Prior art date
Application number
NL6900209A
Other languages
Dutch (nl)
Other versions
NL161006B (en
NL6900209A (en
Original Assignee
Dolby Ray Milton
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 Ray Milton filed Critical Dolby Ray Milton
Publication of NL6900209A publication Critical patent/NL6900209A/xx
Priority to NLAANVRAGE7905171,A priority Critical patent/NL177270C/en
Priority to NLAANVRAGE7905170,A priority patent/NL176727C/en
Publication of NL161006B publication Critical patent/NL161006B/en
Application granted granted Critical
Publication of NL161006C publication Critical patent/NL161006C/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)
NL6900209A 1968-01-10 1969-01-06 DEVICE FOR COMPRESSION AND / OR EXPANSION OF THE DYNAMIC RANGE OF AN INPUT SIGNAL. NL161006C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NLAANVRAGE7905171,A NL177270C (en) 1968-01-10 1979-07-03 SIGNAL COMPRESSOR OR SIGNAL EXPANDER WITH A FIRST CIRCUIT THROUGH THE INPUT SIGNAL WITH LINEAR DYNAMICS AND WITH A FURTHER CIRCUIT WITH LIMITING OPERATION.
NLAANVRAGE7905170,A NL176727C (en) 1968-01-10 1979-07-03 EXPANDER FOR EXPANDING THE DYNAMIC RANGE OF AN INPUT SIGNAL.

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NL6900209A NL6900209A (en) 1969-07-14
NL161006B NL161006B (en) 1979-07-16
NL161006C true NL161006C (en) 1979-12-17

Family

ID=9723759

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6900209A NL161006C (en) 1968-01-10 1969-01-06 DEVICE FOR COMPRESSION AND / OR EXPANSION OF THE DYNAMIC RANGE OF AN INPUT SIGNAL.

Country Status (11)

Country Link
JP (4) JPS518284B1 (en)
AT (2) AT308832B (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
US3909733A (en) * 1973-05-17 1975-09-30 Dolby Laboratories Inc Dynamic range modifying circuits utilizing variable negative resistance
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
DK172325B1 (en) * 1980-06-30 1998-03-16 Ray Milton Dolby Signal compressor and signal expander for use in a transmission system
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
NL161006B (en) 1979-07-16
DE1900639B2 (en) 1976-04-01
AT303122B (en) 1972-11-10
SE350379B (en) 1972-10-23
FR1600207A (en) 1970-07-20
BE726177A (en) 1969-05-29
SE366623B (en) 1974-04-29
DK140299C (en) 1980-01-14
JPS518768B1 (en) 1976-03-19
NO126505B (en) 1973-02-12
JPS531602B1 (en) 1978-01-20
JPS518767B1 (en) 1976-03-19
CH501342A (en) 1970-12-31
GB1253031A (en) 1971-11-10
JPS518284B1 (en) 1976-03-16
NL6900209A (en) 1969-07-14
NO128842B (en) 1974-01-14
SE367106B (en) 1974-05-13
DK140299B (en) 1979-07-23
AT308832B (en) 1973-06-15

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: DOLBY

V4 Lapsed because of reaching the maxim lifetime of a patent