JP4758058B2 - 音調補償付き拡張立体音響回路 - Google Patents

音調補償付き拡張立体音響回路 Download PDF

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Publication number
JP4758058B2
JP4758058B2 JP2003135123A JP2003135123A JP4758058B2 JP 4758058 B2 JP4758058 B2 JP 4758058B2 JP 2003135123 A JP2003135123 A JP 2003135123A JP 2003135123 A JP2003135123 A JP 2003135123A JP 4758058 B2 JP4758058 B2 JP 4758058B2
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JP
Japan
Prior art keywords
signal
frequency
extension
inverting input
input terminal
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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 - Fee Related
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JP2003135123A
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English (en)
Japanese (ja)
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JP2003333696A5 (enExample
JP2003333696A (ja
Inventor
アンダーソン フーバー アラン
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Thomson Licensing SAS
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Thomson Licensing SAS
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
JP2003135123A 2002-05-13 2003-05-13 音調補償付き拡張立体音響回路 Expired - Fee Related JP4758058B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/144,495 US6735314B2 (en) 2002-05-13 2002-05-13 Expanded stereophonic circuit with tonal compensation
US10/144,495 2002-05-13

Publications (3)

Publication Number Publication Date
JP2003333696A JP2003333696A (ja) 2003-11-21
JP2003333696A5 JP2003333696A5 (enExample) 2006-06-29
JP4758058B2 true JP4758058B2 (ja) 2011-08-24

Family

ID=29400344

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003135123A Expired - Fee Related JP4758058B2 (ja) 2002-05-13 2003-05-13 音調補償付き拡張立体音響回路

Country Status (6)

Country Link
US (1) US6735314B2 (enExample)
EP (1) EP1365625A3 (enExample)
JP (1) JP4758058B2 (enExample)
KR (1) KR100955296B1 (enExample)
CN (2) CN1458809A (enExample)
MX (1) MXPA03004131A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7903823B2 (en) * 2005-04-28 2011-03-08 Texas Instruments Incorporated Apparatus and method for effecting sound stage expansion
US20140362996A1 (en) * 2013-05-08 2014-12-11 Max Sound Corporation Stereo soundfield expander
US20150036828A1 (en) * 2013-05-08 2015-02-05 Max Sound Corporation Internet audio software method
US20150036826A1 (en) * 2013-05-08 2015-02-05 Max Sound Corporation Stereo expander method
US11716062B2 (en) * 2020-08-13 2023-08-01 Owlet Baby Care, Inc. Multi-channel common-mode coupled AC gain amplifier
CN114449416A (zh) * 2021-12-03 2022-05-06 东莞凯韵科技有限公司 一种用于音响的3d音效电路

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1578854A (en) * 1976-02-27 1980-11-12 Victor Company Of Japan Stereophonic sound reproduction system
JPS5937800A (ja) * 1982-07-23 1984-03-01 ステレオ・コンセプツ・インク 心理的音響効果を向上するための装置と方法
US4567607A (en) 1983-05-03 1986-01-28 Stereo Concepts, Inc. Stereo image recovery
US4700389A (en) 1985-02-15 1987-10-13 Pioneer Electronic Corporation Stereo sound field enlarging circuit
JPS6316796U (enExample) * 1986-07-18 1988-02-03
US4831652A (en) * 1988-05-05 1989-05-16 Thomson Consumer Electronics, Inc. Stereo expansion circuit selection switch
US4866774A (en) * 1988-11-02 1989-09-12 Hughes Aircraft Company Stero enhancement and directivity servo
US5208493A (en) * 1991-04-30 1993-05-04 Thomson Consumer Electronics, Inc. Stereo expansion selection switch
US5400405A (en) * 1993-07-02 1995-03-21 Harman Electronics, Inc. Audio image enhancement system
JPH0865068A (ja) * 1994-08-18 1996-03-08 Rohm Co Ltd 低電圧駆動のオーディオ信号増幅装置
US5692050A (en) * 1995-06-15 1997-11-25 Binaura Corporation Method and apparatus for spatially enhancing stereo and monophonic signals
KR100188089B1 (ko) * 1995-07-10 1999-06-01 김광호 음성 강조 회로
JP3226870B2 (ja) 1998-04-15 2001-11-05 株式会社東芝 低域補正回路、ステレオパワーアンプの低域補正方法、及びデジタルオーディオ機器
WO2000042819A1 (en) * 1999-01-11 2000-07-20 Thomson Licensing S.A. A stereophonic spatial expansion circuit with tonal compensation and active matrixing

Also Published As

Publication number Publication date
EP1365625A2 (en) 2003-11-26
CN1458809B (zh) 2014-08-20
CN1458809A (zh) 2003-11-26
MXPA03004131A (es) 2004-10-15
EP1365625A3 (en) 2008-11-26
KR20030088859A (ko) 2003-11-20
KR100955296B1 (ko) 2010-04-30
US20030210792A1 (en) 2003-11-13
JP2003333696A (ja) 2003-11-21
US6735314B2 (en) 2004-05-11

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