DE2228274A1 - Stereophones Zweikanal-Vierkomponenten-System - Google Patents

Stereophones Zweikanal-Vierkomponenten-System

Info

Publication number
DE2228274A1
DE2228274A1 DE19722228274 DE2228274A DE2228274A1 DE 2228274 A1 DE2228274 A1 DE 2228274A1 DE 19722228274 DE19722228274 DE 19722228274 DE 2228274 A DE2228274 A DE 2228274A DE 2228274 A1 DE2228274 A1 DE 2228274A1
Authority
DE
Germany
Prior art keywords
speakers
loudspeakers
signal
loudspeaker
playback system
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
DE19722228274
Other languages
German (de)
English (en)
Inventor
David Merion Station Pa. Hafler (V.SLA.)
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.)
DYNACO Inc
Original Assignee
DYNACO 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 DYNACO Inc filed Critical DYNACO Inc
Publication of DE2228274A1 publication Critical patent/DE2228274A1/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic Arrangements (AREA)
DE19722228274 1971-06-10 1972-06-09 Stereophones Zweikanal-Vierkomponenten-System Pending DE2228274A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15179071A 1971-06-10 1971-06-10

Publications (1)

Publication Number Publication Date
DE2228274A1 true DE2228274A1 (de) 1972-12-28

Family

ID=22540247

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722228274 Pending DE2228274A1 (de) 1971-06-10 1972-06-09 Stereophones Zweikanal-Vierkomponenten-System

Country Status (6)

Country Link
US (1) US3697692A (enrdf_load_stackoverflow)
JP (1) JPS5119762B1 (enrdf_load_stackoverflow)
DE (1) DE2228274A1 (enrdf_load_stackoverflow)
FR (1) FR2140416A2 (enrdf_load_stackoverflow)
GB (1) GB1367705A (enrdf_load_stackoverflow)
SE (1) SE380418B (enrdf_load_stackoverflow)

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US4034158A (en) * 1972-12-05 1977-07-05 Britton Berdette O Quadraphonic passive four-channel decoder
US3919478A (en) * 1974-01-17 1975-11-11 Zenith Radio Corp Passive four-channel decoder
US4002835A (en) * 1975-06-06 1977-01-11 Bumber Roger L Multi-channel decoding circuit for two-channel audio systems
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US4489432A (en) * 1982-05-28 1984-12-18 Polk Audio, Inc. Method and apparatus for reproducing sound having a realistic ambient field and acoustic image
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US5412731A (en) * 1982-11-08 1995-05-02 Desper Products, Inc. Automatic stereophonic manipulation system and apparatus for image enhancement
US4612663A (en) * 1984-03-26 1986-09-16 Holbrook Kyle A Multichannel audio reproduction system
US4569074A (en) * 1984-06-01 1986-02-04 Polk Audio, Inc. Method and apparatus for reproducing sound having a realistic ambient field and acoustic image
US4837825A (en) * 1987-02-28 1989-06-06 Shivers Clarence L Passive ambience recovery system for the reproduction of sound
US4759066A (en) * 1987-05-27 1988-07-19 Polk Investment Corporation Sound system with isolation of dimensional sub-speakers
US4819269A (en) * 1987-07-21 1989-04-04 Hughes Aircraft Company Extended imaging split mode loudspeaker system
US4910779A (en) * 1987-10-15 1990-03-20 Cooper Duane H Head diffraction compensated stereo system with optimal equalization
US4975954A (en) * 1987-10-15 1990-12-04 Cooper Duane H Head diffraction compensated stereo system with optimal equalization
US5136651A (en) * 1987-10-15 1992-08-04 Cooper Duane H Head diffraction compensated stereo system
US5034983A (en) * 1987-10-15 1991-07-23 Cooper Duane H Head diffraction compensated stereo system
US4882753A (en) * 1988-01-19 1989-11-21 Shivers Clarence L Passive ambience recovery system for the reproduction of sound
JPH0623119Y2 (ja) * 1989-01-24 1994-06-15 パイオニア株式会社 サラウンド方式ステレオ再生装置
DE4030977A1 (de) * 1990-02-12 1991-08-14 Georg Diamantidis Schaltungsanordnung zur modifikation der ausgangssignale eines mehrkanaligen elektroakustischen geraets
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US6144747A (en) * 1997-04-02 2000-11-07 Sonics Associates, Inc. Head mounted surround sound system
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US5594801A (en) * 1994-05-26 1997-01-14 Mcshane; Charles L. Ambient expansion loudspeaker system
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US5661808A (en) * 1995-04-27 1997-08-26 Srs Labs, Inc. Stereo enhancement system
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US6118876A (en) * 1995-09-07 2000-09-12 Rep Investment Limited Liability Company Surround sound speaker system for improved spatial effects
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US5970152A (en) * 1996-04-30 1999-10-19 Srs Labs, Inc. Audio enhancement system for use in a surround sound environment
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US6281749B1 (en) 1997-06-17 2001-08-28 Srs Labs, Inc. Sound enhancement system
US7031474B1 (en) 1999-10-04 2006-04-18 Srs Labs, Inc. Acoustic correction apparatus
US7277767B2 (en) 1999-12-10 2007-10-02 Srs Labs, Inc. System and method for enhanced streaming audio
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KR100889478B1 (ko) * 2007-11-23 2009-03-19 정원섭 다중 음상을 갖는 음향 장치
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US9094742B2 (en) 2012-07-24 2015-07-28 Fox Filmed Entertainment Event drivable N X M programmably interconnecting sound mixing device and method for use thereof
US10149058B2 (en) 2013-03-15 2018-12-04 Richard O'Polka Portable sound system
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US9258664B2 (en) 2013-05-23 2016-02-09 Comhear, Inc. Headphone audio enhancement system
US20150080063A1 (en) 2013-09-17 2015-03-19 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time
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Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4932325A (enrdf_load_stackoverflow) * 1972-07-27 1974-03-25

Also Published As

Publication number Publication date
FR2140416A2 (enrdf_load_stackoverflow) 1973-01-19
US3697692A (en) 1972-10-10
GB1367705A (en) 1974-09-18
JPS5119762B1 (enrdf_load_stackoverflow) 1976-06-19
SE380418B (sv) 1975-11-03

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