GB0216848D0 - Digital loudspeaker system - Google Patents

Digital loudspeaker system

Info

Publication number
GB0216848D0
GB0216848D0 GB0216848A GB0216848A GB0216848D0 GB 0216848 D0 GB0216848 D0 GB 0216848D0 GB 0216848 A GB0216848 A GB 0216848A GB 0216848 A GB0216848 A GB 0216848A GB 0216848 D0 GB0216848 D0 GB 0216848D0
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.)
Granted
Application number
GB0216848A
Other versions
GB2393601A (en
GB2393601B (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
Priority to GB0216848A priority Critical patent/GB2393601B/en
Publication of GB0216848D0 publication Critical patent/GB0216848D0/en
Publication of GB2393601A publication Critical patent/GB2393601A/en
Application granted granted Critical
Publication of GB2393601B publication Critical patent/GB2393601B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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
GB0216848A 2002-07-19 2002-07-19 Digital loudspeaker system Expired - Lifetime GB2393601B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0216848A GB2393601B (en) 2002-07-19 2002-07-19 Digital loudspeaker system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0216848A GB2393601B (en) 2002-07-19 2002-07-19 Digital loudspeaker system

Publications (3)

Publication Number Publication Date
GB0216848D0 true GB0216848D0 (en) 2002-08-28
GB2393601A GB2393601A (en) 2004-03-31
GB2393601B GB2393601B (en) 2005-09-21

Family

ID=9940807

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0216848A Expired - Lifetime GB2393601B (en) 2002-07-19 2002-07-19 Digital loudspeaker system

Country Status (1)

Country Link
GB (1) GB2393601B (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101558660B (en) * 2006-05-22 2013-08-21 奥迪欧彼塞尔斯有限公司 Apparatus and methods for generating pressure waves
WO2007135680A1 (en) 2006-05-22 2007-11-29 Audio Pixels Ltd. Apparatus and methods for generating pressure waves
US8457338B2 (en) 2006-05-22 2013-06-04 Audio Pixels Ltd. Apparatus and methods for generating pressure waves
JP5180191B2 (en) 2006-05-22 2013-04-10 オーディオ ピクセルズ エルティーディー． Volume control system and method for direct digital speakers
CN101953174B (en) 2007-11-21 2014-12-10 奥迪欧彼塞尔斯有限公司 Digital speaker apparatus
DK2768241T3 (en) 2010-03-11 2022-05-23 Audio Pixels Ltd ELECTROSTATIC, PARALLEL SHEET ACTUATORS, WHEN MOVABLE ELEMENTS ARE DRIVEN ONLY BY ELECTROSTATIC POWER, AND APPLICABLE PROCEDURES
CN103493511B (en) 2010-11-26 2016-10-26 音频像素有限公司 The apparatus and method reduced for indivedual addressing and the noise of array of actuators
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
DK2856770T3 (en) 2012-05-25 2018-10-22 Audio Pixels Ltd SYSTEM, PROCEDURE AND COMPUTER PROGRAM PRODUCT TO CONTROL A SET OF ACTUATOR ELEMENTS
JP6760960B2 (en) 2015-04-15 2020-09-23 オーディオ ピクセルズ エルティーディー．Ａｕｄｉｏ Ｐｉｘｅｌｓ Ｌｔｄ． Methods and systems for at least detecting the position of an object in space
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
EP3804356A1 (en) 2018-06-01 2021-04-14 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
CN112889296A (en) 2018-09-20 2021-06-01 舒尔获得控股公司 Adjustable lobe shape for array microphone
JP2022526761A (en) 2019-03-21 2022-05-26 シュアー アクイジッション ホールディングス インコーポレイテッド Beam forming with blocking function Automatic focusing, intra-regional focusing, and automatic placement of microphone lobes
EP3942842A1 (en) 2019-03-21 2022-01-26 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
US11558693B2 (en) 2019-03-21 2023-01-17 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality
US11445294B2 (en) 2019-05-23 2022-09-13 Shure Acquisition Holdings, Inc. Steerable speaker array, system, and method for the same
EP3977449A1 (en) 2019-05-31 2022-04-06 Shure Acquisition Holdings, Inc. Low latency automixer integrated with voice and noise activity detection
WO2021041275A1 (en) 2019-08-23 2021-03-04 Shore Acquisition Holdings, Inc. Two-dimensional microphone array with improved directivity
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
US11706562B2 (en) 2020-05-29 2023-07-18 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
JP2024505068A (en) 2021-01-28 2024-02-02 シュアー アクイジッション ホールディングス インコーポレイテッド Hybrid audio beamforming system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2828543B2 (en) * 1991-08-02 1998-11-25 シャープ株式会社 Speaker drive circuit
GB2373956A (en) * 2001-03-27 2002-10-02 1 Ltd Method and apparatus to create a sound field
CN101674512A (en) * 2001-03-27 2010-03-17 1...有限公司 Method and apparatus to create a sound field
GB0200291D0 (en) * 2002-01-08 2002-02-20 1 Ltd Digital loudspeaker system
GB0124352D0 (en) * 2001-10-11 2001-11-28 1 Ltd Signal processing device for acoustic transducer array

Also Published As

Publication number Publication date
GB2393601A (en) 2004-03-31
GB2393601B (en) 2005-09-21

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130718 AND 20130724

PE20 Patent expired after termination of 20 years

Expiry date: 20220718