CA953221A - Room equalizing system - Google Patents

Room equalizing system

Info

Publication number
CA953221A
CA953221A CA134,847A CA134847A CA953221A CA 953221 A CA953221 A CA 953221A CA 134847 A CA134847 A CA 134847A CA 953221 A CA953221 A CA 953221A
Authority
CA
Canada
Prior art keywords
equalizing system
room
room equalizing
equalizing
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
CA134,847A
Other versions
CA134847S (en
Inventor
Jack Sacks
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.)
United Recording Electronic Industries
Original Assignee
United Recording Electronic Industries
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 United Recording Electronic Industries filed Critical United Recording Electronic Industries
Application granted granted Critical
Publication of CA953221A publication Critical patent/CA953221A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/025—Equalizers; Volume or gain control in limited frequency bands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
CA134,847A 1971-02-24 1972-02-16 Room equalizing system Expired CA953221A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11845471A 1971-02-24 1971-02-24

Publications (1)

Publication Number Publication Date
CA953221A true CA953221A (en) 1974-08-20

Family

ID=22378694

Family Applications (1)

Application Number Title Priority Date Filing Date
CA134,847A Expired CA953221A (en) 1971-02-24 1972-02-16 Room equalizing system

Country Status (5)

Country Link
US (1) US3732370A (en)
CA (1) CA953221A (en)
DE (1) DE2208820C3 (en)
FR (1) FR2135973A5 (en)
GB (1) GB1384761A (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906157A (en) * 1973-08-13 1975-09-16 Charles R Boner Method and apparatus for tailoring the house curve of a sound system
US4118601A (en) * 1976-11-24 1978-10-03 Audio Developments International System and a method for equalizing an audio sound transducer system
DE2830837C2 (en) * 1977-07-15 1983-06-09 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa Method and device for measuring the characteristic values of a loudspeaker
JPS5530888U (en) * 1978-08-21 1980-02-28
FR2457703A1 (en) * 1979-05-31 1980-12-26 Rosset Didier Automatic regulator for pass band linearity of electro acoustic appts. - operates without manual intervention by measuring level of generated sound
US4306113A (en) * 1979-11-23 1981-12-15 Morton Roger R A Method and equalization of home audio systems
US4316060A (en) * 1980-01-04 1982-02-16 Dbx, Inc. Equalizing system
FR2479524A1 (en) * 1980-03-31 1981-10-02 Michel Andre Acoustic characteristic determination system for room - generates sound which is sensed, filtered and compared under microprocessor control as sound level is progressively increased
DE3038929C2 (en) * 1980-10-15 1982-10-28 Matth. Hohner Ag, 7218 Trossingen Method and device for adapting the frequency response of a sound generator to the acoustics of a sound-filled room
FR2506980B1 (en) * 1981-05-27 1986-03-28 France Etat NOISE GENERATING APPARATUS AND DEVICE FOR MONITORING SOUND INSULATION IN BUILDINGS
US4458362A (en) * 1982-05-13 1984-07-03 Teledyne Industries, Inc. Automatic time domain equalization of audio signals
US4739513A (en) * 1984-05-31 1988-04-19 Pioneer Electronic Corporation Method and apparatus for measuring and correcting acoustic characteristic in sound field
JPS61108213A (en) * 1984-10-31 1986-05-26 Pioneer Electronic Corp Automatic graphic equalizer
JPS61108289A (en) * 1984-10-31 1986-05-26 Pioneer Electronic Corp Automatic sound field correcting device
DE3529553A1 (en) * 1985-08-17 1987-02-26 Kuhn Dr & Co TALKING OPERATOR FOR TALK-HEAD OPERATED
US4891716A (en) * 1988-10-03 1990-01-02 Datatape Incorporated Autocalibration of a data signal channel through simultaneous control signals
DE19612981A1 (en) * 1995-03-31 1996-11-21 Fraunhofer Ges Forschung Acoustic testing system for loudspeakers of stereo equipment
US6792119B1 (en) * 1997-05-05 2004-09-14 Koninklijke Philips Electronics N.V. Audio system
US6111957A (en) * 1998-07-02 2000-08-29 Acoustic Technologies, Inc. Apparatus and method for adjusting audio equipment in acoustic environments
US20040013272A1 (en) * 2001-09-07 2004-01-22 Reams Robert W System and method for processing audio data
WO2002021505A2 (en) * 2000-09-08 2002-03-14 Neural Audio, Inc. System and method for processing audio data
US7929708B2 (en) * 2004-01-12 2011-04-19 Dts, Inc. Audio spatial environment engine
US20070297519A1 (en) * 2004-10-28 2007-12-27 Jeffrey Thompson Audio Spatial Environment Engine
US7853022B2 (en) * 2004-10-28 2010-12-14 Thompson Jeffrey K Audio spatial environment engine
US20060106620A1 (en) * 2004-10-28 2006-05-18 Thompson Jeffrey K Audio spatial environment down-mixer
US20090052701A1 (en) * 2007-08-20 2009-02-26 Reams Robert W Spatial teleconferencing system and method
JP5459556B2 (en) * 2010-12-14 2014-04-02 株式会社Ｊｖｃケンウッド Acoustic characteristic adjusting device, acoustic characteristic adjusting method, and computer program
CN103379419A (en) * 2012-04-16 2013-10-30 上海晨兴希姆通电子科技有限公司 Audio frequency access test system
US9565504B2 (en) * 2012-06-19 2017-02-07 Toa Corporation Speaker device
CN112929808A (en) * 2021-02-05 2021-06-08 四川湖山电器股份有限公司 Method, module and system for detecting whether campus broadcasting equipment can work normally

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256391A (en) * 1963-04-16 1966-06-14 Boner Charles Paul Method and apparatus for controlling feedback
US3624298A (en) * 1969-03-05 1971-11-30 Ltv Ling Altec Inc Sound-improving means and method

Also Published As

Publication number Publication date
DE2208820A1 (en) 1972-08-31
GB1384761A (en) 1975-02-19
DE2208820B2 (en) 1975-02-13
DE2208820C3 (en) 1981-09-10
US3732370A (en) 1973-05-08
FR2135973A5 (en) 1972-12-22

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