JPS56501666A - - Google Patents

Info

Publication number
JPS56501666A
JPS56501666A JP81500234A JP50023481A JPS56501666A JP S56501666 A JPS56501666 A JP S56501666A JP 81500234 A JP81500234 A JP 81500234A JP 50023481 A JP50023481 A JP 50023481A JP S56501666 A JPS56501666 A JP S56501666A
Authority
JP
Japan
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
JP81500234A
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 filed Critical
Publication of JPS56501666A publication Critical patent/JPS56501666A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
JP81500234A 1979-11-30 1980-10-29 Pending JPS56501666A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/098,972 US4404427A (en) 1979-11-30 1979-11-30 Audio signal processing system

Publications (1)

Publication Number Publication Date
JPS56501666A true JPS56501666A (ja) 1981-11-12

Family

ID=22271785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP81500234A Pending JPS56501666A (ja) 1979-11-30 1980-10-29

Country Status (7)

Country Link
US (1) US4404427A (ja)
JP (1) JPS56501666A (ja)
AU (2) AU6577781A (ja)
CA (1) CA1153701A (ja)
GB (1) GB2075316B (ja)
IN (1) IN155297B (ja)
WO (1) WO1981001636A1 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4706287A (en) * 1984-10-17 1987-11-10 Kintek, Inc. Stereo generator
US5129004A (en) * 1984-11-12 1992-07-07 Nissan Motor Company, Limited Automotive multi-speaker audio system with different timing reproduction of audio sound
JPS61244200A (ja) * 1985-04-20 1986-10-30 Nissan Motor Co Ltd 音場改善装置
US4685134A (en) * 1985-07-19 1987-08-04 Rca Corporation Multichannel computer generated sound synthesis system
FR2595529B1 (fr) * 1986-03-06 1990-04-06 Gandolfi Patrick Synthetiseur simulateur de stereophonie
JPH06332084A (ja) * 1993-05-25 1994-12-02 Sony Corp 映画フィルム用ディジタル情報再生装置
US6118876A (en) * 1995-09-07 2000-09-12 Rep Investment Limited Liability Company Surround sound speaker system for improved spatial effects
US5708719A (en) * 1995-09-07 1998-01-13 Rep Investment Limited Liability Company In-home theater surround sound speaker system
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
GB2312799B (en) * 1996-04-30 2000-07-19 Sgs Thomson Microelectronics A circuit and method for automatically adjusting the amplitude of broadcast audio signals
US6389935B1 (en) * 1996-09-02 2002-05-21 New Transducers Limited Acoustic display screen
ITTO20110811A1 (it) * 2011-09-12 2013-03-13 Gabriele Biagiotti Circuito elettronico di elaborazione di un segnale audio, in particolare per incrementare le variazioni di ampiezza

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681618A (en) * 1971-03-29 1972-08-01 David E Blackmer Rms circuits with bipolar logarithmic converter
US3822408A (en) * 1973-02-20 1974-07-02 Bose Corp Operational amplifier clamping
US3980964A (en) * 1974-05-20 1976-09-14 Grodinsky Robert M Noise reduction circuit
US3968384A (en) * 1974-10-21 1976-07-06 Gte Automatic Electric Laboratories Incorporated Constant percentage clipping circuit
US3918003A (en) * 1974-10-29 1975-11-04 Bell Telephone Labor Inc Combined feedback and feedforward automatic gain control
US4039755A (en) * 1976-07-26 1977-08-02 Teledyne, Inc. Auditorium simulator economizes on delay line bandwidth
US4166924A (en) * 1977-05-12 1979-09-04 Bell Telephone Laboratories, Incorporated Removing reverberative echo components in speech signals
US4184047A (en) * 1977-06-22 1980-01-15 Langford Robert H Audio signal processing system
US4112254A (en) * 1977-10-17 1978-09-05 Dbx, Inc. Signal compander system
GB2029141A (en) * 1978-08-26 1980-03-12 Viva Co Gain control arrangements
US4220929A (en) * 1978-12-26 1980-09-02 Dbx, Inc. Signal expander

Also Published As

Publication number Publication date
WO1981001636A1 (en) 1981-06-11
AU6577781A (en) 1981-06-19
US4404427A (en) 1983-09-13
CA1153701A (en) 1983-09-13
GB2075316A (en) 1981-11-11
GB2075316B (en) 1984-02-08
IN155297B (ja) 1985-01-19
AU6577780A (en) 1981-06-19

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