JPS5925522B2 - 入力信号のダイナミツクレンジを変更するための回路 - Google Patents

入力信号のダイナミツクレンジを変更するための回路

Info

Publication number
JPS5925522B2
JPS5925522B2 JP57047044A JP4704482A JPS5925522B2 JP S5925522 B2 JPS5925522 B2 JP S5925522B2 JP 57047044 A JP57047044 A JP 57047044A JP 4704482 A JP4704482 A JP 4704482A JP S5925522 B2 JPS5925522 B2 JP S5925522B2
Authority
JP
Japan
Prior art keywords
circuit
dynamic range
signal
impedance
input signal
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
JP57047044A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57171816A (en
Inventor
レイ・ミルトン・ドルビ−
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 JPS57171816A publication Critical patent/JPS57171816A/ja
Publication of JPS5925522B2 publication Critical patent/JPS5925522B2/ja
Expired 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

Landscapes

  • 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)
JP57047044A 1973-05-17 1982-03-24 入力信号のダイナミツクレンジを変更するための回路 Expired JPS5925522B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2363873A GB1473831A (https=) 1973-05-17 1973-05-17
GB23638/73 1973-05-17
GB41673/73 1973-09-05

Publications (2)

Publication Number Publication Date
JPS57171816A JPS57171816A (en) 1982-10-22
JPS5925522B2 true JPS5925522B2 (ja) 1984-06-19

Family

ID=10198891

Family Applications (3)

Application Number Title Priority Date Filing Date
JP57047044A Expired JPS5925522B2 (ja) 1973-05-17 1982-03-24 入力信号のダイナミツクレンジを変更するための回路
JP57047043A Pending JPS57171815A (en) 1973-05-17 1982-03-24 Circuit for altering dynamic range of input signal
JP57047042A Expired JPS5925521B2 (ja) 1973-05-17 1982-03-24 入力信号のダイナミツクレンジを変更するための回路

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP57047043A Pending JPS57171815A (en) 1973-05-17 1982-03-24 Circuit for altering dynamic range of input signal
JP57047042A Expired JPS5925521B2 (ja) 1973-05-17 1982-03-24 入力信号のダイナミツクレンジを変更するための回路

Country Status (2)

Country Link
JP (3) JPS5925522B2 (https=)
GB (1) GB1473831A (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5994909A (ja) * 1982-11-19 1984-05-31 Matsushita Electric Ind Co Ltd グラフイツクイコライザ−システム
US4801890A (en) * 1985-06-17 1989-01-31 Dolby Ray Milton Circuit arrangements for modifying dynamic range using variable combining techniques
JPH04504U (https=) * 1990-04-13 1992-01-06

Also Published As

Publication number Publication date
JPS57171816A (en) 1982-10-22
GB1473831A (https=) 1977-05-18
JPS57171815A (en) 1982-10-22
JPS5925521B2 (ja) 1984-06-19
JPS57171814A (en) 1982-10-22

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