GB0115143D0 - Method and apparatus for sound control - Google Patents

Method and apparatus for sound control

Info

Publication number
GB0115143D0
GB0115143D0 GBGB0115143.0A GB0115143A GB0115143D0 GB 0115143 D0 GB0115143 D0 GB 0115143D0 GB 0115143 A GB0115143 A GB 0115143A GB 0115143 D0 GB0115143 D0 GB 0115143D0
Authority
GB
United Kingdom
Prior art keywords
sound control
sound
control
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Withdrawn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
GBGB0115143.0A
Other versions
GB2378081A (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.)
Ray Hudson Ltd
Original Assignee
Ray Hudson 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 Ray Hudson Ltd filed Critical Ray Hudson Ltd
Priority to GB0115143A priority Critical patent/GB2378081A/en
Publication of GB0115143D0 publication Critical patent/GB0115143D0/en
Publication of GB2378081A publication Critical patent/GB2378081A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17883—General system configurations using both a reference signal and an error signal the reference signal being derived from a machine operating condition, e.g. engine RPM or vehicle speed
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/104—Aircos
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/121—Rotating machines, e.g. engines, turbines, motors; Periodic or quasi-periodic signals in general
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3033—Information contained in memory, e.g. stored signals or transfer functions
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3048—Pretraining, e.g. to identify transfer functions
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3216—Cancellation means disposed in the vicinity of the source
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3217—Collocated sensor and cancelling actuator, e.g. "virtual earth" designs

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
GB0115143A 2001-06-21 2001-06-21 Active noise cancellation using recorded sounds Withdrawn GB2378081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0115143A GB2378081A (en) 2001-06-21 2001-06-21 Active noise cancellation using recorded sounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0115143A GB2378081A (en) 2001-06-21 2001-06-21 Active noise cancellation using recorded sounds

Publications (2)

Publication Number Publication Date
GB0115143D0 true GB0115143D0 (en) 2001-08-15
GB2378081A GB2378081A (en) 2003-01-29

Family

ID=9917046

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0115143A Withdrawn GB2378081A (en) 2001-06-21 2001-06-21 Active noise cancellation using recorded sounds

Country Status (1)

Country Link
GB (1) GB2378081A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103531195A (en) * 2012-07-02 2014-01-22 华为技术有限公司 Noise reduction method, equipment and system
US9788114B2 (en) 2015-03-23 2017-10-10 Bose Corporation Acoustic device for streaming audio data
US9736614B2 (en) * 2015-03-23 2017-08-15 Bose Corporation Augmenting existing acoustic profiles
CN105065308B (en) * 2015-08-28 2017-09-01 苏州清听声学科技有限公司 A kind of active noise reduction exhaust fan and its line spectrum Noise Active control method
DE102016100542A1 (en) * 2016-01-14 2017-07-20 Faurecia Emissions Control Technologies, Germany Gmbh Method for generating a drive signal for a loudspeaker arranged in a motor vehicle and exhaust system for an engine and sound system for a passenger compartment
US10083683B2 (en) * 2016-10-10 2018-09-25 International Business Machines Corporation Reducing computer fan noise

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH087002B2 (en) * 1989-02-28 1996-01-29 株式会社東芝 Silencer for cooling system
EP0559962B1 (en) * 1992-03-11 1998-09-16 Mitsubishi Denki Kabushiki Kaisha Silencing apparatus
KR100189961B1 (en) * 1992-04-09 1999-06-01 윤종용 Noise elimination apparatus
JPH08115089A (en) * 1994-10-17 1996-05-07 Hitachi Ltd Method and device for reducing noise
DE19531402C2 (en) * 1995-08-26 1999-04-01 Mannesmann Sachs Ag Device and method for influencing vibrations in a passenger compartment of a motor vehicle and device and method for detecting defects in a motor vehicle
JPH11143478A (en) * 1997-11-13 1999-05-28 Oki Electric Ind Co Ltd Noise reducing device
US20010046300A1 (en) * 2000-04-17 2001-11-29 Mclean Ian R. Offline active control of automotive noise

Also Published As

Publication number Publication date
GB2378081A (en) 2003-01-29

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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)