GB0414900D0 - Digital loudspeaker system - Google Patents

Digital loudspeaker system

Info

Publication number
GB0414900D0
GB0414900D0 GBGB0414900.1A GB0414900A GB0414900D0 GB 0414900 D0 GB0414900 D0 GB 0414900D0 GB 0414900 A GB0414900 A GB 0414900A GB 0414900 D0 GB0414900 D0 GB 0414900D0
Authority
GB
United Kingdom
Prior art keywords
loudspeaker system
digital loudspeaker
digital
loudspeaker
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.)
Withdrawn
Application number
GBGB0414900.1A
Other versions
GB2398959A (en
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.)
1 Ltd
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 GB0414900D0 publication Critical patent/GB0414900D0/en
Publication of GB2398959A publication Critical patent/GB2398959A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04R1/32—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
    • 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
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
    • 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
    • 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
    • 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; 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
    • H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
GB0414900A 2002-01-08 2003-01-08 Digital loudspeaker system Withdrawn GB2398959A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0200291A GB0200291D0 (en) 2002-01-08 2002-01-08 Digital loudspeaker system
PCT/GB2003/000040 WO2003059005A2 (en) 2002-01-08 2003-01-08 Digital loudspeaker system

Publications (2)

Publication Number Publication Date
GB0414900D0 true GB0414900D0 (en) 2004-08-04
GB2398959A GB2398959A (en) 2004-09-01

Family

ID=9928726

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0200291A Ceased GB0200291D0 (en) 2001-03-27 2002-01-08 Digital loudspeaker system
GB0414900A Withdrawn GB2398959A (en) 2002-01-08 2003-01-08 Digital loudspeaker system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0200291A Ceased GB0200291D0 (en) 2001-03-27 2002-01-08 Digital loudspeaker system

Country Status (3)

Country Link
AU (1) AU2003201640A1 (en)
GB (2) GB0200291D0 (en)
WO (1) WO2003059005A2 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2393601B (en) * 2002-07-19 2005-09-21 1 Ltd Digital loudspeaker system
DE602005009934D1 (en) * 2004-03-11 2008-11-06 Pss Belgium Nv METHOD AND SYSTEM FOR PROCESSING SOUND SIGNALS
JP2006340057A (en) * 2005-06-02 2006-12-14 Yamaha Corp Array speaker system
US8457338B2 (en) 2006-05-22 2013-06-04 Audio Pixels Ltd. Apparatus and methods for generating pressure waves
KR101343143B1 (en) * 2006-05-22 2013-12-19 오디오 픽셀즈 리미티드 actuator apparatus and actuation methods for generating pressure waves
EP2033480B1 (en) 2006-05-22 2012-07-11 Audio Pixels Ltd. Volume and tone control in direct digital speakers
KR101411183B1 (en) 2007-05-21 2014-06-23 오디오 픽셀즈 리미티드 Direct digital speaker apparatus having a desired directivity pattern
EP2846557B1 (en) 2007-11-21 2019-04-10 Audio Pixels Ltd. Improved speaker apparatus
DK2545715T3 (en) 2010-03-11 2014-09-01 Audio Pixels Ltd ELECTROSTATIC PARALLEL PLATE ACTUATORS, WHICH MOVING ELEMENTS ARE ONLY OPERATED BY ELECTROSTATIC POWER, AND USEFUL PROCEDURES IN CONNECTION THEREOF
JP5871336B2 (en) 2010-11-26 2016-03-01 オーディオ ピクセルズ エルティーディー．Ａｕｄｉｏ Ｐｉｘｅｌｓ Ｌｔｄ． Apparatus and method for individual addressing and noise reduction in actuator arrays
WO2013175477A1 (en) 2012-05-25 2013-11-28 Audio Pixels Ltd. A system, a method and a computer program product for controlling a set of actuator elements
EP2856769B1 (en) 2012-05-25 2018-07-04 Audio Pixels Ltd. A system, a method and a computer program product for controlling a group of actuator arrays for producing a physical effect
US10070211B2 (en) 2013-06-28 2018-09-04 Kopin Corporation Digital voice processing method and system for headset computer
CN107533134B (en) 2015-04-15 2021-04-27 音频像素有限公司 Camera, audio sound system, method and system for detecting position of object
CN116320901B (en) * 2023-05-15 2023-08-29 之江实验室 Sound field regulating and controlling system and method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4769848A (en) * 1980-05-05 1988-09-06 Howard Krausse Electroacoustic network
GB9506725D0 (en) * 1995-03-31 1995-05-24 Hooley Anthony Improvements in or relating to loudspeakers
EP1224037B1 (en) * 1999-09-29 2007-10-31 1... Limited Method and apparatus to direct sound using an array of output transducers

Also Published As

Publication number Publication date
AU2003201640A8 (en) 2003-07-24
GB2398959A (en) 2004-09-01
GB0200291D0 (en) 2002-02-20
WO2003059005A2 (en) 2003-07-17
AU2003201640A1 (en) 2003-07-24
WO2003059005A3 (en) 2003-12-04

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)