AU2001274306A1 - Sound reproduction systems - Google Patents

Sound reproduction systems

Info

Publication number
AU2001274306A1
AU2001274306A1 AU2001274306A AU7430601A AU2001274306A1 AU 2001274306 A1 AU2001274306 A1 AU 2001274306A1 AU 2001274306 A AU2001274306 A AU 2001274306A AU 7430601 A AU7430601 A AU 7430601A AU 2001274306 A1 AU2001274306 A1 AU 2001274306A1
Authority
AU
Australia
Prior art keywords
sound reproduction
reproduction systems
systems
sound
reproduction
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.)
Abandoned
Application number
AU2001274306A
Inventor
Philip Arthur Nelson
Takashi Takeuchi
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.)
Adaptive Audio Ltd
Original Assignee
Adaptive Audio Ltd
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 Adaptive Audio Ltd filed Critical Adaptive Audio Ltd
Publication of AU2001274306A1 publication Critical patent/AU2001274306A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/024—Positioning of loudspeaker enclosures for spatial sound reproduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—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)
  • Circuit For Audible Band Transducer (AREA)
AU2001274306A 2000-06-24 2001-06-22 Sound reproduction systems Abandoned AU2001274306A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0015419.5A GB0015419D0 (en) 2000-06-24 2000-06-24 Sound reproduction systems
GB0015419.5 2000-06-24
PCT/GB2001/002759 WO2002001916A2 (en) 2000-06-24 2001-06-22 Sound reproduction systems

Publications (1)

Publication Number Publication Date
AU2001274306A1 true AU2001274306A1 (en) 2002-01-08

Family

ID=9894264

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001274306A Abandoned AU2001274306A1 (en) 2000-06-24 2001-06-22 Sound reproduction systems

Country Status (5)

Country Link
US (1) US6950524B2 (en)
JP (1) JP4174318B2 (en)
AU (1) AU2001274306A1 (en)
GB (2) GB0015419D0 (en)
WO (1) WO2002001916A2 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070165890A1 (en) * 2004-07-16 2007-07-19 Matsushita Electric Industrial Co., Ltd. Sound image localization device
JP2008187213A (en) * 2005-05-19 2008-08-14 D & M Holdings Inc Audio signal processing device, speaker box, speaker system, and video/audio output device
JP2006339694A (en) * 2005-05-31 2006-12-14 D & M Holdings Inc Audio signal output device
US8135137B2 (en) * 2006-03-13 2012-03-13 Panasonic Corporation Sound image localization apparatus
JP4969978B2 (en) * 2006-10-02 2012-07-04 三菱電機株式会社 Audio playback device
EP1962559A1 (en) * 2007-02-21 2008-08-27 Harman Becker Automotive Systems GmbH Objective quantification of auditory source width of a loudspeakers-room system
WO2008142912A1 (en) * 2007-05-18 2008-11-27 D & M Holdings Inc. Audio signal processing device and audio signal processing method
GB0712998D0 (en) * 2007-07-05 2007-08-15 Adaptive Audio Ltd Sound reproducing systems
WO2012036912A1 (en) 2010-09-03 2012-03-22 Trustees Of Princeton University Spectrally uncolored optimal croostalk cancellation for audio through loudspeakers
JP5964311B2 (en) 2010-10-20 2016-08-03 ディーティーエス・エルエルシーＤｔｓ Ｌｌｃ Stereo image expansion system
EP2816824B1 (en) * 2013-05-24 2020-07-01 Harman Becker Automotive Systems GmbH Sound system for establishing a sound zone
WO2015062649A1 (en) 2013-10-30 2015-05-07 Huawei Technologies Co., Ltd. Method and mobile device for processing an audio signal
US10163295B2 (en) 2014-09-25 2018-12-25 Konami Gaming, Inc. Gaming machine, gaming machine control method, and gaming machine program for generating 3D sound associated with displayed elements
US9560464B2 (en) 2014-11-25 2017-01-31 The Trustees Of Princeton University System and method for producing head-externalized 3D audio through headphones
CA2972300C (en) * 2015-02-18 2019-12-31 Huawei Technologies Co., Ltd. An audio signal processing apparatus and method for filtering an audio signal
US10595150B2 (en) 2016-03-07 2020-03-17 Cirrus Logic, Inc. Method and apparatus for acoustic crosstalk cancellation
US10111001B2 (en) 2016-10-05 2018-10-23 Cirrus Logic, Inc. Method and apparatus for acoustic crosstalk cancellation
JP6889883B2 (en) * 2017-09-07 2021-06-18 日本放送協会 Controller design equipment and programs for acoustic signals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5351295A (en) * 1993-07-01 1994-09-27 Digital Equipment Corporation Secure method of neighbor discovery over a multiaccess medium
GB9603236D0 (en) * 1996-02-16 1996-04-17 Adaptive Audio Ltd Sound recording and reproduction systems
JP2002500844A (en) 1997-05-28 2002-01-08 バウク、ジェラルド、エル Loudspeaker array for enlarged sweet spot
US6633648B1 (en) * 1999-11-12 2003-10-14 Jerald L. Bauck Loudspeaker array for enlarged sweet spot

Also Published As

Publication number Publication date
JP4174318B2 (en) 2008-10-29
JP2004511118A (en) 2004-04-08
US6950524B2 (en) 2005-09-27
GB2384413B (en) 2005-01-05
GB2384413A (en) 2003-07-23
GB0015419D0 (en) 2000-08-16
WO2002001916A2 (en) 2002-01-03
WO2002001916A3 (en) 2003-05-08
GB0300637D0 (en) 2003-02-12
US20030161478A1 (en) 2003-08-28

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