JPS5119762B1 - - Google Patents

Info

Publication number
JPS5119762B1
JPS5119762B1 JP46094605A JP9460571A JPS5119762B1 JP S5119762 B1 JPS5119762 B1 JP S5119762B1 JP 46094605 A JP46094605 A JP 46094605A JP 9460571 A JP9460571 A JP 9460571A JP S5119762 B1 JPS5119762 B1 JP S5119762B1
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
JP46094605A
Other languages
Japanese (ja)
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 JPS5119762B1 publication Critical patent/JPS5119762B1/ja
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)
JP46094605A 1971-06-10 1971-11-26 Pending JPS5119762B1 (enrdf_load_html_response)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS5119762B1 true JPS5119762B1 (enrdf_load_html_response) 1976-06-19

Family

ID=22540247

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46094605A Pending JPS5119762B1 (enrdf_load_html_response) 1971-06-10 1971-11-26

Country Status (6)

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

Families Citing this family (79)

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NL172815B (nl) * 1971-04-13 Sony Corp Meervoudige geluidweergeefinrichting.
US3824621A (en) * 1971-06-08 1974-07-16 Tokyo Sanyo Electric Co Multi-channel tape playing device
US3958085A (en) * 1971-09-20 1976-05-18 The Magnavox Company Compatible 4-2-4 encoding-decoding system
US3892917A (en) * 1971-10-07 1975-07-01 Nippon Musical Instruments Mfg Speaker system for multichannel stereosignal reproduction
JPS5313962B2 (enrdf_load_html_response) * 1971-12-21 1978-05-13
US3889061A (en) * 1971-12-21 1975-06-10 Sansui Electric Co Four-channel reproducing system
US3818136A (en) * 1972-04-27 1974-06-18 Zenith Radio Corp Four-channel front-to-back balance control
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
US4132859A (en) * 1977-12-02 1979-01-02 Egils Ranga Sound reproducing apparatus
US4355203A (en) * 1980-03-12 1982-10-19 Cohen Joel M Stereo image separation and perimeter enhancement
US4308423A (en) * 1980-03-12 1981-12-29 Cohen Joel M Stereo image separation and perimeter enhancement
US4443889A (en) * 1980-04-21 1984-04-17 Nortech Laboratories Ltd. Acoustic apparatus and method
AT379275B (de) * 1982-04-20 1985-12-10 Neutrik Ag Stereophone wiedergabeanlage in fahrgastraeumen von kraftfahrzeugen
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
US4497064A (en) * 1982-08-05 1985-01-29 Polk Audio, Inc. Method and apparatus for reproducing sound having an expanded acoustic image
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
US5034983A (en) * 1987-10-15 1991-07-23 Cooper Duane H Head diffraction compensated stereo system
US5136651A (en) * 1987-10-15 1992-08-04 Cooper Duane H Head diffraction compensated stereo 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
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
US5594800A (en) * 1991-02-15 1997-01-14 Trifield Productions Limited Sound reproduction system having a matrix converter
US5386473A (en) * 1994-01-21 1995-01-31 Harrison; Robert W. Passive surround sound circuit
US5497425A (en) * 1994-03-07 1996-03-05 Rapoport; Robert J. Multi channel surround sound simulation device
US5841879A (en) * 1996-11-21 1998-11-24 Sonics Associates, Inc. Virtually positioned head mounted surround sound system
US6144747A (en) * 1997-04-02 2000-11-07 Sonics Associates, Inc. Head mounted surround sound system
US5666422A (en) * 1994-05-18 1997-09-09 Harrison; Robert W. Remote speaker for surround-sound applications
US5594801A (en) * 1994-05-26 1997-01-14 Mcshane; Charles L. Ambient expansion loudspeaker system
KR960018792U (ko) * 1994-11-07 1996-06-19 김만호 음향재생 시스템의 스피커 연결장치
US5661808A (en) 1995-04-27 1997-08-26 Srs Labs, Inc. Stereo enhancement system
US6163613A (en) * 1995-06-26 2000-12-19 Cowans; Kenneth W. Low-distortion loudspeaker
US5850453A (en) * 1995-07-28 1998-12-15 Srs Labs, Inc. Acoustic correction apparatus
US5708719A (en) * 1995-09-07 1998-01-13 Rep Investment Limited Liability Company In-home theater surround sound speaker system
US6118876A (en) * 1995-09-07 2000-09-12 Rep Investment Limited Liability Company Surround sound speaker system for improved spatial effects
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
US5677957A (en) * 1995-11-13 1997-10-14 Hulsebus; Alan Audio circuit producing enhanced ambience
US5970152A (en) * 1996-04-30 1999-10-19 Srs Labs, Inc. Audio enhancement system for use in a surround sound environment
US5912976A (en) * 1996-11-07 1999-06-15 Srs Labs, Inc. Multi-channel audio enhancement system for use in recording and playback and methods for providing same
US5742691A (en) * 1997-02-21 1998-04-21 Ambourn; Paul R. Surround sound converter
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
US7076071B2 (en) * 2000-06-12 2006-07-11 Robert A. Katz Process for enhancing the existing ambience, imaging, depth, clarity and spaciousness of sound recordings
US6993141B2 (en) * 2001-09-28 2006-01-31 Audio Products International Corp. System for distributing a signal between loudspeaker drivers
US7567845B1 (en) * 2002-06-04 2009-07-28 Creative Technology Ltd Ambience generation for stereo signals
US7970144B1 (en) 2003-12-17 2011-06-28 Creative Technology Ltd Extracting and modifying a panned source for enhancement and upmix of audio signals
WO2005070097A2 (en) * 2004-01-09 2005-08-04 Masonware Partners, Llc Passive surround sound adapter
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US8334722B2 (en) 2007-06-28 2012-12-18 Parkervision, Inc. Systems and methods of RF power transmission, modulation and amplification
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
KR100889478B1 (ko) * 2007-11-23 2009-03-19 정원섭 다중 음상을 갖는 음향 장치
WO2009145887A1 (en) 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2010000878A2 (en) * 2009-10-27 2010-01-07 Phonak Ag Speech enhancement method and system
EP2661907B8 (en) 2011-01-04 2019-08-14 DTS, Inc. Immersive audio rendering system
WO2012139126A1 (en) 2011-04-08 2012-10-11 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
JP6174574B2 (ja) 2011-06-02 2017-08-02 パーカーヴィジョン インコーポレイテッド アンテナ制御
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
US9084047B2 (en) 2013-03-15 2015-07-14 Richard O'Polka Portable sound system
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
USD740784S1 (en) 2014-03-14 2015-10-13 Richard O'Polka Portable sound device

Citations (1)

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

Patent Citations (1)

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

Also Published As

Publication number Publication date
FR2140416A2 (enrdf_load_html_response) 1973-01-19
DE2228274A1 (de) 1972-12-28
GB1367705A (en) 1974-09-18
US3697692A (en) 1972-10-10
SE380418B (sv) 1975-11-03

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