KR20050083765A - 오디오 신호의 재생방법 및 재생장치 - Google Patents

오디오 신호의 재생방법 및 재생장치 Download PDF

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Publication number
KR20050083765A
KR20050083765A KR1020057006483A KR20057006483A KR20050083765A KR 20050083765 A KR20050083765 A KR 20050083765A KR 1020057006483 A KR1020057006483 A KR 1020057006483A KR 20057006483 A KR20057006483 A KR 20057006483A KR 20050083765 A KR20050083765 A KR 20050083765A
Authority
KR
South Korea
Prior art keywords
digital filters
sound
speakers
point
speaker array
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.)
Ceased
Application number
KR1020057006483A
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English (en)
Korean (ko)
Inventor
데츠노리 이타바시
고헤이 아사다
Original Assignee
소니 가부시끼 가이샤
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 소니 가부시끼 가이샤 filed Critical 소니 가부시끼 가이샤
Publication of KR20050083765A publication Critical patent/KR20050083765A/ko
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • 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 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/12—Circuits for transducers for distributing signals to two or more loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2203/00—Details of circuits for transducers, loudspeakers or microphones covered by H04R3/00 but not provided for in any of its subgroups
    • H04R2203/12—Beamforming aspects for stereophonic sound reproduction with loudspeaker arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
    • H04R2430/25—Array processing for suppression of unwanted side-lobes in directivity characteristics, e.g. a blocking matrix

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Stereophonic System (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
KR1020057006483A 2002-12-09 2003-10-23 오디오 신호의 재생방법 및 재생장치 Ceased KR20050083765A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2002-00356139 2002-12-09
JP2002356139A JP3821229B2 (ja) 2002-12-09 2002-12-09 オーディオ信号の再生方法および再生装置

Publications (1)

Publication Number Publication Date
KR20050083765A true KR20050083765A (ko) 2005-08-26

Family

ID=32500811

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020057006483A Ceased KR20050083765A (ko) 2002-12-09 2003-10-23 오디오 신호의 재생방법 및 재생장치

Country Status (6)

Country Link
US (1) US20050271223A1 (https=)
EP (1) EP1571885A1 (https=)
JP (1) JP3821229B2 (https=)
KR (1) KR20050083765A (https=)
CN (1) CN1714601A (https=)
WO (1) WO2004054321A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101525207B1 (ko) * 2014-11-24 2015-06-04 가락전자 주식회사 오디오 스트림 사이의 신호 동기화 방법

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4349123B2 (ja) * 2003-12-25 2009-10-21 ヤマハ株式会社 音声出力装置
JP2005197896A (ja) * 2004-01-05 2005-07-21 Yamaha Corp スピーカアレイ用のオーディオ信号供給装置
JP4251077B2 (ja) * 2004-01-07 2009-04-08 ヤマハ株式会社 スピーカ装置
JP4161906B2 (ja) * 2004-01-07 2008-10-08 ヤマハ株式会社 スピーカ装置
JP3915804B2 (ja) 2004-08-26 2007-05-16 ヤマハ株式会社 オーディオ再生装置
JP4779381B2 (ja) 2005-02-25 2011-09-28 ヤマハ株式会社 アレースピーカ装置
JP5401760B2 (ja) * 2007-02-05 2014-01-29 ソニー株式会社 ヘッドフォン装置、音声再生システム、音声再生方法
TWI487817B (zh) 2008-02-25 2015-06-11 Sixpoint Materials Inc 用於製造第iii族氮化物晶圓之方法及第iii族氮化物晶圓
GB0821999D0 (en) * 2008-12-02 2009-01-07 Pss Belgium Nv Method and apparatus for improved directivity of an acoustic antenna
KR101295849B1 (ko) * 2008-12-18 2013-08-12 삼성전자주식회사 음향 방사 패턴 제어 장치 및 방법
WO2011044063A2 (en) * 2009-10-05 2011-04-14 Harman International Industries, Incorporated Multichannel audio system having audio channel compensation
JP6216553B2 (ja) * 2013-06-27 2017-10-18 クラリオン株式会社 伝搬遅延補正装置及び伝搬遅延補正方法
JP6258089B2 (ja) * 2014-03-18 2018-01-10 株式会社東芝 スピーカシステム
WO2016085011A1 (ko) * 2014-11-24 2016-06-02 가락전자 주식회사 오디오 스트림 사이의 신호 동기화 방법
CN108141687B (zh) 2015-08-21 2021-06-29 Dts（英属维尔京群岛）有限公司 用于泄漏消除的多扬声器方法和装置
WO2017208822A1 (ja) * 2016-05-30 2017-12-07 ソニー株式会社 局所消音音場形成装置および方法、並びにプログラム
US10531196B2 (en) * 2017-06-02 2020-01-07 Apple Inc. Spatially ducking audio produced through a beamforming loudspeaker array
CN112135225B (zh) * 2019-06-25 2023-11-21 海信视像科技股份有限公司 扬声器系统和电子设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0160431B1 (en) * 1984-04-09 1990-09-19 Pioneer Electronic Corporation Sound field correction system
JP3067140B2 (ja) * 1989-11-17 2000-07-17 日本放送協会 立体音響再生方法
JP3065485B2 (ja) * 1994-06-30 2000-07-17 株式会社ケンウッド スピーカシステム
US5870484A (en) * 1995-09-05 1999-02-09 Greenberger; Hal Loudspeaker array with signal dependent radiation pattern
US5815578A (en) * 1997-01-17 1998-09-29 Aureal Semiconductor, Inc. Method and apparatus for canceling leakage from a speaker
EP1402755A2 (en) * 2001-03-27 2004-03-31 1... Limited Method and apparatus to create a sound field

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101525207B1 (ko) * 2014-11-24 2015-06-04 가락전자 주식회사 오디오 스트림 사이의 신호 동기화 방법

Also Published As

Publication number Publication date
CN1714601A (zh) 2005-12-28
EP1571885A1 (en) 2005-09-07
WO2004054321A1 (ja) 2004-06-24
JP2004193698A (ja) 2004-07-08
JP3821229B2 (ja) 2006-09-13
US20050271223A1 (en) 2005-12-08

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