IT1185876B - Sistema di espansione della base stereo per apparati di diffusione acustica stereofonica - Google Patents

Sistema di espansione della base stereo per apparati di diffusione acustica stereofonica

Info

Publication number
IT1185876B
IT1185876B IT21898/85A IT2189885A IT1185876B IT 1185876 B IT1185876 B IT 1185876B IT 21898/85 A IT21898/85 A IT 21898/85A IT 2189885 A IT2189885 A IT 2189885A IT 1185876 B IT1185876 B IT 1185876B
Authority
IT
Italy
Prior art keywords
expansion system
sound systems
stereo base
base expansion
stereophone
Prior art date
Application number
IT21898/85A
Other languages
English (en)
Other versions
IT8521898A0 (it
Inventor
Guido Torelli
La Plaza Alejandro De
Original Assignee
Sgs Microelettronica Spa
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 Sgs Microelettronica Spa filed Critical Sgs Microelettronica Spa
Priority to IT21898/85A priority Critical patent/IT1185876B/it
Publication of IT8521898A0 publication Critical patent/IT8521898A0/it
Priority to US06/889,921 priority patent/US4696035A/en
Priority to FR868611524A priority patent/FR2586154B1/fr
Priority to DE3626815A priority patent/DE3626815C2/de
Application granted granted Critical
Publication of IT1185876B publication Critical patent/IT1185876B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
IT21898/85A 1985-08-09 1985-08-09 Sistema di espansione della base stereo per apparati di diffusione acustica stereofonica IT1185876B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT21898/85A IT1185876B (it) 1985-08-09 1985-08-09 Sistema di espansione della base stereo per apparati di diffusione acustica stereofonica
US06/889,921 US4696035A (en) 1985-08-09 1986-07-28 System for expanding the stereo base of stereophonic acoustic diffusion apparatus
FR868611524A FR2586154B1 (fr) 1985-08-09 1986-08-08 Systeme d'expansion de la base stereo pour appareils de diffusion acoustique stereophonique
DE3626815A DE3626815C2 (de) 1985-08-09 1986-08-08 Schaltung zur Verbreiterung der Stereobasis für stereofonische Tonwiedergabegeräte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21898/85A IT1185876B (it) 1985-08-09 1985-08-09 Sistema di espansione della base stereo per apparati di diffusione acustica stereofonica

Publications (2)

Publication Number Publication Date
IT8521898A0 IT8521898A0 (it) 1985-08-09
IT1185876B true IT1185876B (it) 1987-11-18

Family

ID=11188414

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21898/85A IT1185876B (it) 1985-08-09 1985-08-09 Sistema di espansione della base stereo per apparati di diffusione acustica stereofonica

Country Status (4)

Country Link
US (1) US4696035A (it)
DE (1) DE3626815C2 (it)
FR (1) FR2586154B1 (it)
IT (1) IT1185876B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5042068A (en) * 1989-12-28 1991-08-20 Zenith Electronics Corporation Audio spatial equalization system
US5878145A (en) * 1996-06-11 1999-03-02 Analog Devices, Inc. Electronic circuit and process for creation of three-dimensional audio effects and corresponding sound recording
US5862228A (en) * 1997-02-21 1999-01-19 Dolby Laboratories Licensing Corporation Audio matrix encoding
US6449368B1 (en) 1997-03-14 2002-09-10 Dolby Laboratories Licensing Corporation Multidirectional audio decoding
US6373954B1 (en) 1997-10-14 2002-04-16 Cirrus Logic, Inc. Single-chip audio circuitry, method, and systems using the same
WO1999020006A2 (en) * 1997-10-14 1999-04-22 Crystal Semiconductor Corp. Single-chip audio circuits, methods, and systems using the same
US6947564B1 (en) 1999-01-11 2005-09-20 Thomson Licensing Stereophonic spatial expansion circuit with tonal compensation and active matrixing
AU2496001A (en) * 1999-12-27 2001-07-09 Martin Pineau Stereo to enhanced spatialisation in stereo sound hi-fi decoding process method and apparatus
US7676043B1 (en) * 2005-02-28 2010-03-09 Texas Instruments Incorporated Audio bandwidth expansion
EP2469708B1 (en) * 2010-12-21 2013-11-27 Harman Becker Automotive Systems GmbH Amplifier current consumption control
US20140362996A1 (en) * 2013-05-08 2014-12-11 Max Sound Corporation Stereo soundfield expander
US20150036826A1 (en) * 2013-05-08 2015-02-05 Max Sound Corporation Stereo expander method
US20150036828A1 (en) * 2013-05-08 2015-02-05 Max Sound Corporation Internet audio software method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE706196A (it) * 1966-11-08 1968-03-18
JPS5832840B2 (ja) * 1977-09-10 1983-07-15 日本ビクター株式会社 立体音場拡大装置
JPS5811159B2 (ja) * 1979-05-18 1983-03-01 松下電器産業株式会社 車載用音響再生装置
JPS575499A (en) * 1980-06-12 1982-01-12 Mitsubishi Electric Corp Acoustic reproducing device
JPS5868325A (ja) * 1981-10-19 1983-04-23 Victor Co Of Japan Ltd 雑音低減装置
US4498060A (en) * 1981-12-01 1985-02-05 Dolby Ray Milton Circuit arrangements for modifying dynamic range using series arranged bi-linear circuits

Also Published As

Publication number Publication date
US4696035A (en) 1987-09-22
DE3626815A1 (de) 1987-02-12
IT8521898A0 (it) 1985-08-09
DE3626815C2 (de) 1997-09-18
FR2586154B1 (fr) 1989-12-08
FR2586154A1 (fr) 1987-02-13

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970829