JPS57171815A - Circuit for altering dynamic range of input signal - Google Patents

Circuit for altering dynamic range of input signal

Info

Publication number
JPS57171815A
JPS57171815A JP57047043A JP4704382A JPS57171815A JP S57171815 A JPS57171815 A JP S57171815A JP 57047043 A JP57047043 A JP 57047043A JP 4704382 A JP4704382 A JP 4704382A JP S57171815 A JPS57171815 A JP S57171815A
Authority
JP
Japan
Prior art keywords
circuit
input signal
dynamic range
altering dynamic
altering
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.)
Pending
Application number
JP57047043A
Other languages
English (en)
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.)
DORUBII LAB Inc
Dolby Laboratories Inc
Original Assignee
DORUBII LAB Inc
Dolby Laboratories Inc
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 DORUBII LAB Inc, Dolby Laboratories Inc filed Critical DORUBII LAB Inc
Publication of JPS57171815A publication Critical patent/JPS57171815A/ja
Pending 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)
JP57047043A 1973-05-17 1982-03-24 Circuit for altering dynamic range of input signal Pending JPS57171815A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2363873A GB1473831A (ja) 1973-05-17 1973-05-17

Publications (1)

Publication Number Publication Date
JPS57171815A true JPS57171815A (en) 1982-10-22

Family

ID=10198891

Family Applications (3)

Application Number Title Priority Date Filing Date
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
JP57047043A Pending JPS57171815A (en) 1973-05-17 1982-03-24 Circuit for altering dynamic range of input signal
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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
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 (1)

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

Country Status (2)

Country Link
JP (3) JPS5925521B2 (ja)
GB (1) GB1473831A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62276911A (ja) * 1985-06-17 1987-12-01 レ−・ミルトン・ドルビ 組合せ式ダイナミックレンジ改変回路及び方法

Families Citing this family (2)

* 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
JPH04504U (ja) * 1990-04-13 1992-01-06

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62276911A (ja) * 1985-06-17 1987-12-01 レ−・ミルトン・ドルビ 組合せ式ダイナミックレンジ改変回路及び方法
JP2649911B2 (ja) * 1985-06-17 1997-09-03 レ−・ミルトン・ドルビ 組合せ式ダイナミックレンジ改変回路及び方法

Also Published As

Publication number Publication date
JPS57171816A (en) 1982-10-22
JPS5925522B2 (ja) 1984-06-19
JPS5925521B2 (ja) 1984-06-19
JPS57171814A (en) 1982-10-22
GB1473831A (ja) 1977-05-18

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