CN100446554C - 数字扬声器 - Google Patents

数字扬声器 Download PDF

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Publication number
CN100446554C
CN100446554C CNB2004800257369A CN200480025736A CN100446554C CN 100446554 C CN100446554 C CN 100446554C CN B2004800257369 A CNB2004800257369 A CN B2004800257369A CN 200480025736 A CN200480025736 A CN 200480025736A CN 100446554 C CN100446554 C CN 100446554C
Authority
CN
China
Prior art keywords
transducer
group
loud speaker
transducers
sound field
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.)
Expired - Fee Related
Application number
CNB2004800257369A
Other languages
English (en)
Chinese (zh)
Other versions
CN1849819A (zh
Inventor
欧文·亚历山大·比内克
詹姆士·达维斯
马克·乔治·伊斯顿
安格斯·加文·戈迭
安东尼·胡利
牧野进一
安德鲁·莫利
大卫·查尔斯·威尔逊·理查兹
马克·理查德·谢泼德
保罗·雷蒙德·温德尔
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.)
Cambridge Electromechanical Integration Co ltd
Yamaha Corp
Original Assignee
1 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 1 Ltd filed Critical 1 Ltd
Publication of CN1849819A publication Critical patent/CN1849819A/zh
Application granted granted Critical
Publication of CN100446554C publication Critical patent/CN100446554C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H04N5/642—Disposition of sound reproducers
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
CNB2004800257369A 2003-09-16 2004-09-16 数字扬声器 Expired - Fee Related CN100446554C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0321676.9A GB0321676D0 (en) 2003-09-16 2003-09-16 Digital loudspeaker
GB0321676.9 2003-09-16

Publications (2)

Publication Number Publication Date
CN1849819A CN1849819A (zh) 2006-10-18
CN100446554C true CN100446554C (zh) 2008-12-24

Family

ID=29227189

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004800257369A Expired - Fee Related CN100446554C (zh) 2003-09-16 2004-09-16 数字扬声器

Country Status (7)

Country Link
US (1) US20070223763A1 (https=)
EP (1) EP1665783A1 (https=)
JP (1) JP2007506323A (https=)
KR (1) KR20060069861A (https=)
CN (1) CN100446554C (https=)
GB (1) GB0321676D0 (https=)
WO (1) WO2005027514A1 (https=)

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WO2001023104A2 (en) 1999-09-29 2001-04-05 1...Limited Method and apparatus to direct sound using an array of output transducers
WO2002078388A2 (en) 2001-03-27 2002-10-03 1... Limited Method and apparatus to create a sound field
GB0301093D0 (en) 2003-01-17 2003-02-19 1 Ltd Set-up method for array-type sound systems
AU2007252847A1 (en) * 2006-05-22 2007-11-29 Audio Pixels Ltd. Direct digital speaker apparatus having a desired directivity pattern
US10158958B2 (en) 2010-03-23 2018-12-18 Dolby Laboratories Licensing Corporation Techniques for localized perceptual audio
CN113490133B (zh) 2010-03-23 2023-05-02 杜比实验室特许公司 音频再现方法和声音再现系统
CN105989845B (zh) 2015-02-25 2020-12-08 杜比实验室特许公司 视频内容协助的音频对象提取
AU2017203515A1 (en) 2016-03-08 2017-09-28 Chill Gaming Pty Ltd Gaming method, system and machine comprising multiple games
WO2018049378A1 (en) * 2016-09-12 2018-03-15 Bose Corporation Loudspeaker system
US10536772B2 (en) * 2017-04-19 2020-01-14 Chill Gaming Pty Ltd Audio system
CN109040908B (zh) * 2018-09-04 2020-08-28 音王电声股份有限公司 一种具有指向性的环屏扬声器阵列及其控制方法
CN109151660B (zh) * 2018-09-04 2020-02-28 音王电声股份有限公司 一种数字影院还音系统
CN109151661B (zh) * 2018-09-04 2020-02-28 音王电声股份有限公司 一种环屏扬声器阵列及虚拟声源的形成方法
CN111263897B (zh) 2018-09-30 2023-04-14 深圳市大疆创新科技有限公司 距离探测装置
CN117395357A (zh) * 2023-12-12 2024-01-12 地球山(苏州)微电子科技有限公司 一种基于数字扬声器的电视及其发声方法

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Patent Citations (4)

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CN2395490Y (zh) * 1999-11-16 2000-09-06 林智文 音频处理电路

Also Published As

Publication number Publication date
CN1849819A (zh) 2006-10-18
KR20060069861A (ko) 2006-06-22
GB0321676D0 (en) 2003-10-15
US20070223763A1 (en) 2007-09-27
JP2007506323A (ja) 2007-03-15
EP1665783A1 (en) 2006-06-07
WO2005027514A1 (en) 2005-03-24

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