JPS6218086B2 - - Google Patents

Info

Publication number
JPS6218086B2
JPS6218086B2 JP7908082A JP7908082A JPS6218086B2 JP S6218086 B2 JPS6218086 B2 JP S6218086B2 JP 7908082 A JP7908082 A JP 7908082A JP 7908082 A JP7908082 A JP 7908082A JP S6218086 B2 JPS6218086 B2 JP S6218086B2
Authority
JP
Japan
Prior art keywords
circuit
frequency
current
signal
resistor
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
JP7908082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5817714A (ja
Inventor
Miruton Dorubii Rei
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing Corp
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 Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of JPS5817714A publication Critical patent/JPS5817714A/ja
Publication of JPS6218086B2 publication Critical patent/JPS6218086B2/ja
Granted legal-status Critical Current

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)
  • Amplifiers (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
JP57079080A 1972-09-15 1982-05-11 信号のダイナミックレンジ変更回路 Granted JPS5817714A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB42981/72 1972-09-15
GB4298172A GB1442331A (en) 1972-09-15 1972-09-15 Signal compressors and expanders

Publications (2)

Publication Number Publication Date
JPS5817714A JPS5817714A (ja) 1983-02-02
JPS6218086B2 true JPS6218086B2 (OSRAM) 1987-04-21

Family

ID=10426827

Family Applications (2)

Application Number Title Priority Date Filing Date
JP48103312A Expired JPS5914932B2 (ja) 1972-09-15 1973-09-14 信号ダイナミックレンジ変更回路
JP57079080A Granted JPS5817714A (ja) 1972-09-15 1982-05-11 信号のダイナミックレンジ変更回路

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP48103312A Expired JPS5914932B2 (ja) 1972-09-15 1973-09-14 信号ダイナミックレンジ変更回路

Country Status (5)

Country Link
JP (2) JPS5914932B2 (OSRAM)
CA (1) CA992871A (OSRAM)
DE (1) DE2346126C2 (OSRAM)
GB (1) GB1442331A (OSRAM)
NL (1) NL180368C (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57128231U (OSRAM) * 1981-02-03 1982-08-10

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3182271A (en) * 1960-12-15 1965-05-04 Aiken William Ross Tone control circuit for emphasizing low volume high and low frequency signals

Also Published As

Publication number Publication date
JPS5817714A (ja) 1983-02-02
NL180368C (nl) 1987-02-02
NL180368B (nl) 1986-09-01
DE2346126A1 (de) 1974-03-21
DE2346126C2 (de) 1982-12-02
JPS5914932B2 (ja) 1984-04-06
JPS49134216A (OSRAM) 1974-12-24
NL7312802A (OSRAM) 1974-03-19
GB1442331A (en) 1976-07-14
CA992871A (en) 1976-07-13

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