GB2393601B - Digital loudspeaker system - Google Patents

Digital loudspeaker system

Info

Publication number
GB2393601B
GB2393601B GB0216848A GB0216848A GB2393601B GB 2393601 B GB2393601 B GB 2393601B GB 0216848 A GB0216848 A GB 0216848A GB 0216848 A GB0216848 A GB 0216848A GB 2393601 B GB2393601 B GB 2393601B
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.)
Expired - Lifetime
Application number
GB0216848A
Other versions
GB0216848D0 (en
GB2393601A (en
Inventor
Angus Gavin Goudie
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
1 Ltd
Original Assignee
1 Ltd
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, 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
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 GB0216848D0 (en) 2002-08-28
GB2393601A GB2393601A (en) 2004-03-31
GB2393601B true 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 (26)

* 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
TWI468024B (en) 2006-05-22 2015-01-01 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
MY151910A (en) 2006-05-22 2014-07-31 Audio Pixels Holdings Ltd Volume and tone control in direct digital speakers
EP3525483B1 (en) 2007-11-21 2021-06-02 Audio Pixels Ltd. Improved loudspeaker apparatus
CN105049992B (en) 2010-03-11 2018-10-09 奥迪欧彼塞尔斯有限公司 Moving element is only by the electrostatic parallel plate actuator of static-electronic driving and the method being used in combination
EP2643982B1 (en) 2010-11-26 2022-03-30 Audio Pixels Ltd. Apparatus for generating a target physical effect and method for manufacturing said apparatus
US9880533B2 (en) 2012-05-25 2018-01-30 Audio Pixels Ltd. System, a method and a computer program product for controlling a group of actuator arrays for producing a physical effect
US10007244B2 (en) 2012-05-25 2018-06-26 Audio Pixels Ltd. System, a method and a computer program product for controlling 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
CN112335261B (en) 2018-06-01 2023-07-18 舒尔获得控股公司 Patterned microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
WO2020061353A1 (en) 2018-09-20 2020-03-26 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
WO2020191380A1 (en) 2019-03-21 2020-09-24 Shure Acquisition Holdings,Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality
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
CN113841419A (en) 2019-03-21 2021-12-24 舒尔获得控股公司 Housing and associated design features for ceiling array microphone
CN114051738B (en) 2019-05-23 2024-10-01 舒尔获得控股公司 Steerable speaker array, system and method thereof
US11302347B2 (en) 2019-05-31 2022-04-12 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
US12028678B2 (en) 2019-11-01 2024-07-02 Shure Acquisition Holdings, Inc. Proximity microphone
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
WO2021243368A2 (en) 2020-05-29 2021-12-02 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
EP4285605A1 (en) 2021-01-28 2023-12-06 Shure Acquisition Holdings, Inc. Hybrid audio beamforming system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0525777A1 (en) * 1991-08-02 1993-02-03 Sharp Kabushiki Kaisha Speaker driving circuit
GB2373956A (en) * 2001-03-27 2002-10-02 1 Ltd Method and apparatus to create a sound field
GB2376595A (en) * 2001-03-27 2002-12-18 1 Ltd Surround sound system using only one array of transducers
WO2003034780A2 (en) * 2001-10-11 2003-04-24 1...Limited Signal processing device for acoustic transducer array
WO2003059005A2 (en) * 2002-01-08 2003-07-17 1... Limited Digital loudspeaker system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0525777A1 (en) * 1991-08-02 1993-02-03 Sharp Kabushiki Kaisha Speaker driving circuit
GB2373956A (en) * 2001-03-27 2002-10-02 1 Ltd Method and apparatus to create a sound field
GB2376595A (en) * 2001-03-27 2002-12-18 1 Ltd Surround sound system using only one array of transducers
WO2003034780A2 (en) * 2001-10-11 2003-04-24 1...Limited Signal processing device for acoustic transducer array
WO2003059005A2 (en) * 2002-01-08 2003-07-17 1... Limited Digital loudspeaker system

Also Published As

Publication number Publication date
GB0216848D0 (en) 2002-08-28
GB2393601A (en) 2004-03-31

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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