GB2521553B - A method for and a system of partially cancelling sound - Google Patents

A method for and a system of partially cancelling sound

Info

Publication number
GB2521553B
GB2521553B GB1504196.5A GB201504196A GB2521553B GB 2521553 B GB2521553 B GB 2521553B GB 201504196 A GB201504196 A GB 201504196A GB 2521553 B GB2521553 B GB 2521553B
Authority
GB
United Kingdom
Prior art keywords
cancelling sound
partially cancelling
partially
sound
cancelling
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 - Fee Related
Application number
GB1504196.5A
Other versions
GB2521553A (en
GB201504196D0 (en
Inventor
Archiveades Georgiou
Antony Zenonos
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB0914324A external-priority patent/GB0914324D0/en
Priority claimed from GBGB1005027.6A external-priority patent/GB201005027D0/en
Application filed by Individual filed Critical Individual
Priority claimed from GB1204544.9A external-priority patent/GB2485743B/en
Publication of GB201504196D0 publication Critical patent/GB201504196D0/en
Publication of GB2521553A publication Critical patent/GB2521553A/en
Application granted granted Critical
Publication of GB2521553B publication Critical patent/GB2521553B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1083—Reduction of ambient noise
    • 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
    • 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
    • G10K11/1781—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17821—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
    • 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
    • G10K11/1783—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
    • 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
    • G10K11/1783—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
    • G10K11/17837—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions by retaining part of the ambient acoustic environment, e.g. speech or alarm signals that the user needs to hear
    • 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
    • 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
    • G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
    • 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
    • G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback
    • 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
    • G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
    • 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
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
    • 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
    • G10K2210/3027—Feedforward
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/05—Noise reduction with a separate noise microphone
GB1504196.5A 2009-08-15 2010-08-16 A method for and a system of partially cancelling sound Expired - Fee Related GB2521553B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0914324A GB0914324D0 (en) 2009-08-15 2009-08-15 Improvements in or relating to cancelling noise
GBGB1005027.6A GB201005027D0 (en) 2010-03-25 2010-03-25 Method,system and item
GB1204544.9A GB2485743B (en) 2009-08-15 2010-08-16 A method of, and a system for, enabling a hearer to hear desired sound while also being able to be aware of ambient sound

Publications (3)

Publication Number Publication Date
GB201504196D0 GB201504196D0 (en) 2015-04-29
GB2521553A GB2521553A (en) 2015-06-24
GB2521553B true GB2521553B (en) 2015-09-23

Family

ID=53365464

Family Applications (3)

Application Number Title Priority Date Filing Date
GB1504199.9A Expired - Fee Related GB2521554B (en) 2009-08-15 2010-08-16 A method of, and a system for, enabling a hearer to hear desired sound while also being able to be aware of ambient sound
GB1504194.0A Expired - Fee Related GB2521552B (en) 2009-08-15 2010-08-16 Apparatus for enabling a hearer to hear desired sound while also being able to be aware of ambient sound
GB1504196.5A Expired - Fee Related GB2521553B (en) 2009-08-15 2010-08-16 A method for and a system of partially cancelling sound

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB1504199.9A Expired - Fee Related GB2521554B (en) 2009-08-15 2010-08-16 A method of, and a system for, enabling a hearer to hear desired sound while also being able to be aware of ambient sound
GB1504194.0A Expired - Fee Related GB2521552B (en) 2009-08-15 2010-08-16 Apparatus for enabling a hearer to hear desired sound while also being able to be aware of ambient sound

Country Status (1)

Country Link
GB (3) GB2521554B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020215805A1 (en) 2020-12-14 2022-06-15 Contitech Vibration Control Gmbh Device for active noise cancellation in vehicles

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2436657A (en) * 2006-04-01 2007-10-03 Sonaptic Ltd Ambient noise-reduction system
WO2009041012A1 (en) * 2007-09-28 2009-04-02 Dimagic Co., Ltd. Noise control system
EP2237270A1 (en) * 2009-03-30 2010-10-06 Harman Becker Automotive Systems GmbH A method for determining a noise reference signal for noise compensation and/or noise reduction

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3620253B2 (en) * 1997-12-19 2005-02-16 日本ビクター株式会社 Microphone device
JPH11249665A (en) * 1998-03-05 1999-09-17 Matsushita Electric Ind Co Ltd Compartment noise reducing device
US7277722B2 (en) * 2001-06-27 2007-10-02 Intel Corporation Reducing undesirable audio signals
US20080025523A1 (en) * 2006-07-28 2008-01-31 Sony Ericsson Mobile Communications Ab System and method for noise canceling in a mobile phone headset accessory
KR100704555B1 (en) * 2007-01-29 2007-08-10 한밭대학교 산학협력단 Active type noise attenuation device for transformer
JP2008258878A (en) * 2007-04-04 2008-10-23 Matsushita Electric Ind Co Ltd Sound output device having microphone
JP2008300894A (en) * 2007-05-29 2008-12-11 Smk Corp External section specified sound recognition method of headset with microphone and headset with microphone

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2436657A (en) * 2006-04-01 2007-10-03 Sonaptic Ltd Ambient noise-reduction system
WO2009041012A1 (en) * 2007-09-28 2009-04-02 Dimagic Co., Ltd. Noise control system
EP2237270A1 (en) * 2009-03-30 2010-10-06 Harman Becker Automotive Systems GmbH A method for determining a noise reference signal for noise compensation and/or noise reduction

Also Published As

Publication number Publication date
GB2521552A (en) 2015-06-24
GB201504194D0 (en) 2015-04-29
GB2521553A (en) 2015-06-24
GB2521554A (en) 2015-06-24
GB2521554B (en) 2015-09-23
GB201504199D0 (en) 2015-04-29
GB201504196D0 (en) 2015-04-29
GB2521552B (en) 2015-09-23

Similar Documents

Publication Publication Date Title
EP2449676A4 (en) A system and a method for providing sound signals
EP2250822A4 (en) A sound system and a method for providing sound
GB2478834B (en) Sound system
EP2625621A4 (en) Method and system for enhancing sound
HK1172133A1 (en) Systems and methods for removing a background of an image
EP2510517A4 (en) Device and method for acoustic communication
ZA201304001B (en) Method and system for self-managed sound enhancement
EP2460354A4 (en) System and method for video-quality enhancement
GB201102572D0 (en) System and method for evaluation of structure-born sound
EP2489215A4 (en) Method and system of multi-layer beamforming
EP2401667A4 (en) Method and system for workflow integration
EP2515555A4 (en) Acoustic system
EP2401492A4 (en) Method and system for limiting a dynamic parameter of a vehicle
GB201007886D0 (en) Headset systems and methods
PL2308244T3 (en) Audio system and method of operation therefor
EP2401872A4 (en) Speaker distortion reduction system and method
EP2484067A4 (en) System and method for activity based configuration of an entertainment system
GB2467984B (en) A method and system for noise cancellation
GB0917305D0 (en) System and method of calibrating a system
IL218749A0 (en) Method for genetrating a representation of surroundings
GB2485510B (en) System and method for modifying an audio signal
EP2478247A4 (en) Method and system for opening of a clutch
PL2271805T3 (en) Method for the reduction of sound
AU2012244343A1 (en) A gaming system and a method of gaming
GB201115385D0 (en) Aircraft acoustic attenuation member and method for forming said member

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20200816

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION FILED

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: RESTORATION ALLOWED

Effective date: 20210802

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230816