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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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12542123B2 (en) 2022-08-30 2026-02-03 Shure Acquisition Holdings, Inc. Mask non-linear processor for acoustic echo cancellation

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200744944A (en) 2006-05-22 2007-12-16 Audio Pixels Ltd Apparatus for generating pressure and methods of manufacture thereof
CN101558659B (en) * 2006-05-22 2013-02-13 奥迪欧彼塞尔斯有限公司 Volume and tone control in direct digital speakers
SG171693A1 (en) 2006-05-22 2011-06-29 Audio Pixels Ltd Volume and tone control in direct digital speakers
US8457338B2 (en) 2006-05-22 2013-06-04 Audio Pixels Ltd. Apparatus and methods for generating pressure waves
WO2009066290A2 (en) 2007-11-21 2009-05-28 Audio Pixels Ltd. Digital speaker apparatus
PT2768241T (en) 2010-03-11 2022-05-17 Audio Pixels Ltd Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
WO2012070042A1 (en) 2010-11-26 2012-05-31 Audio Pixels Ltd. Apparatus and methods for individual addressing and noise reduction in actuator arrays
EP2856770B1 (en) 2012-05-25 2018-07-04 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
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 the position of an object
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
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
US11310596B2 (en) 2018-09-20 2022-04-19 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
JP7572964B2 (en) 2019-03-21 2024-10-24 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 Beamforming with rejection Autofocus, autofocus in area, and autoplacement of microphone lobes
WO2020191354A1 (en) 2019-03-21 2020-09-24 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
EP3977449B1 (en) 2019-05-31 2024-12-11 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
US11785380B2 (en) 2021-01-28 2023-10-10 Shure Acquisition Holdings, Inc. Hybrid audio beamforming system
US12452584B2 (en) 2021-01-29 2025-10-21 Shure Acquisition Holdings, Inc. Scalable conferencing systems and methods
EP4413745A1 (en) 2021-10-04 2024-08-14 Shure Acquisition Holdings, Inc. Networked automixer systems and methods
EP4427465A1 (en) 2021-11-05 2024-09-11 Shure Acquisition Holdings, Inc. Distributed algorithm for automixing speech over wireless networks
WO2023133513A1 (en) 2022-01-07 2023-07-13 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12542123B2 (en) 2022-08-30 2026-02-03 Shure Acquisition Holdings, Inc. Mask non-linear processor for acoustic echo cancellation

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