EP2621198A3 - Procédé de suppression adaptative de couplage acoustique et dispositif correspondant - Google Patents
Procédé de suppression adaptative de couplage acoustique et dispositif correspondant Download PDFInfo
- Publication number
- EP2621198A3 EP2621198A3 EP13164634.1A EP13164634A EP2621198A3 EP 2621198 A3 EP2621198 A3 EP 2621198A3 EP 13164634 A EP13164634 A EP 13164634A EP 2621198 A3 EP2621198 A3 EP 2621198A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- noise
- signal
- signal characteristics
- adaptive feedback
- feedback cancellation
- 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- Withdrawn
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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory 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
- G10K11/1781—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
- G10K11/17813—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 acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
- G10K11/17819—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 acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms between the output signals and the reference signals, e.g. to prevent howling
-
- 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
- G10K11/17853—Methods, e.g. algorithms; Devices of the filter
- G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
-
- 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
- G10K11/17855—Methods, e.g. algorithms; Devices for improving speed or power requirements
-
- 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
-
- 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
- G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
- H04R25/453—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback electronically
-
- 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
-
- 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
- G10K2210/3055—Transfer function of the acoustic system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/01—Hearing devices using active noise cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
- H04R25/552—Binaural
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
- H04R25/554—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Neurosurgery (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13164634.1A EP2621198A3 (fr) | 2009-04-02 | 2010-03-26 | Procédé de suppression adaptative de couplage acoustique et dispositif correspondant |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2009/053920 WO2010112073A1 (fr) | 2009-04-02 | 2009-04-02 | Annulation adaptative d'échos sur des caractéristiques introduites ou intrinsèques, et récupération correspondante |
US24567909P | 2009-09-25 | 2009-09-25 | |
EP13164634.1A EP2621198A3 (fr) | 2009-04-02 | 2010-03-26 | Procédé de suppression adaptative de couplage acoustique et dispositif correspondant |
EP10157933.2A EP2237573B1 (fr) | 2009-04-02 | 2010-03-26 | Procédé de suppression adaptative de couplage acoustique et dispositif correspondant |
Related Parent Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10157933.2 Division | 2010-03-26 | ||
EP10157933.2A Division EP2237573B1 (fr) | 2009-04-02 | 2010-03-26 | Procédé de suppression adaptative de couplage acoustique et dispositif correspondant |
EP10157933.2A Previously-Filed-Application EP2237573B1 (fr) | 2009-04-02 | 2010-03-26 | Procédé de suppression adaptative de couplage acoustique et dispositif correspondant |
EP10157933.2A Division-Into EP2237573B1 (fr) | 2009-04-02 | 2010-03-26 | Procédé de suppression adaptative de couplage acoustique et dispositif correspondant |
EP10157933 Previously-Filed-Application | 2010-03-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2621198A2 EP2621198A2 (fr) | 2013-07-31 |
EP2621198A3 true EP2621198A3 (fr) | 2015-03-25 |
Family
ID=42167684
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13164634.1A Withdrawn EP2621198A3 (fr) | 2009-04-02 | 2010-03-26 | Procédé de suppression adaptative de couplage acoustique et dispositif correspondant |
EP10157933.2A Active EP2237573B1 (fr) | 2009-04-02 | 2010-03-26 | Procédé de suppression adaptative de couplage acoustique et dispositif correspondant |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10157933.2A Active EP2237573B1 (fr) | 2009-04-02 | 2010-03-26 | Procédé de suppression adaptative de couplage acoustique et dispositif correspondant |
Country Status (1)
Country | Link |
---|---|
EP (2) | EP2621198A3 (fr) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8908877B2 (en) | 2010-12-03 | 2014-12-09 | Cirrus Logic, Inc. | Ear-coupling detection and adjustment of adaptive response in noise-canceling in personal audio devices |
KR101909432B1 (ko) | 2010-12-03 | 2018-10-18 | 씨러스 로직 인코포레이티드 | 개인용 오디오 디바이스에서 적응형 잡음 제거기의 실수 제어 |
EP2676263B1 (fr) | 2011-02-16 | 2016-06-01 | Dolby Laboratories Licensing Corporation | Procédé de configuration de filtres |
US9318094B2 (en) | 2011-06-03 | 2016-04-19 | Cirrus Logic, Inc. | Adaptive noise canceling architecture for a personal audio device |
US9214150B2 (en) | 2011-06-03 | 2015-12-15 | Cirrus Logic, Inc. | Continuous adaptation of secondary path adaptive response in noise-canceling personal audio devices |
US8948407B2 (en) | 2011-06-03 | 2015-02-03 | Cirrus Logic, Inc. | Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC) |
US8958571B2 (en) | 2011-06-03 | 2015-02-17 | Cirrus Logic, Inc. | MIC covering detection in personal audio devices |
US9824677B2 (en) | 2011-06-03 | 2017-11-21 | Cirrus Logic, Inc. | Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC) |
EP2574082A1 (fr) * | 2011-09-20 | 2013-03-27 | Oticon A/S | Contrôle d'un système adaptatif d'annulation d'echo fondé sur l'ajout d'un signal de sonde |
US9325821B1 (en) | 2011-09-30 | 2016-04-26 | Cirrus Logic, Inc. | Sidetone management in an adaptive noise canceling (ANC) system including secondary path modeling |
US9014387B2 (en) | 2012-04-26 | 2015-04-21 | Cirrus Logic, Inc. | Coordinated control of adaptive noise cancellation (ANC) among earspeaker channels |
US9319781B2 (en) | 2012-05-10 | 2016-04-19 | Cirrus Logic, Inc. | Frequency and direction-dependent ambient sound handling in personal audio devices having adaptive noise cancellation (ANC) |
US9318090B2 (en) | 2012-05-10 | 2016-04-19 | Cirrus Logic, Inc. | Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system |
US9123321B2 (en) | 2012-05-10 | 2015-09-01 | Cirrus Logic, Inc. | Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling system |
US9532139B1 (en) | 2012-09-14 | 2016-12-27 | Cirrus Logic, Inc. | Dual-microphone frequency amplitude response self-calibration |
EP2736271B1 (fr) | 2012-11-27 | 2019-06-19 | Oticon A/s | Procédé de commande d'un algorithme de mise à jour d'un système d'estimation de rétroaction adaptative et unité de dé-corrélation |
US9369798B1 (en) | 2013-03-12 | 2016-06-14 | Cirrus Logic, Inc. | Internal dynamic range control in an adaptive noise cancellation (ANC) system |
US9414150B2 (en) | 2013-03-14 | 2016-08-09 | Cirrus Logic, Inc. | Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device |
US9208771B2 (en) | 2013-03-15 | 2015-12-08 | Cirrus Logic, Inc. | Ambient noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices |
US9324311B1 (en) | 2013-03-15 | 2016-04-26 | Cirrus Logic, Inc. | Robust adaptive noise canceling (ANC) in a personal audio device |
US10206032B2 (en) | 2013-04-10 | 2019-02-12 | Cirrus Logic, Inc. | Systems and methods for multi-mode adaptive noise cancellation for audio headsets |
US9462376B2 (en) | 2013-04-16 | 2016-10-04 | Cirrus Logic, Inc. | Systems and methods for hybrid adaptive noise cancellation |
US9478210B2 (en) | 2013-04-17 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for hybrid adaptive noise cancellation |
US9460701B2 (en) | 2013-04-17 | 2016-10-04 | Cirrus Logic, Inc. | Systems and methods for adaptive noise cancellation by biasing anti-noise level |
US9578432B1 (en) | 2013-04-24 | 2017-02-21 | Cirrus Logic, Inc. | Metric and tool to evaluate secondary path design in adaptive noise cancellation systems |
US9392364B1 (en) | 2013-08-15 | 2016-07-12 | Cirrus Logic, Inc. | Virtual microphone for adaptive noise cancellation in personal audio devices |
US9666176B2 (en) | 2013-09-13 | 2017-05-30 | Cirrus Logic, Inc. | Systems and methods for adaptive noise cancellation by adaptively shaping internal white noise to train a secondary path |
US9620101B1 (en) | 2013-10-08 | 2017-04-11 | Cirrus Logic, Inc. | Systems and methods for maintaining playback fidelity in an audio system with adaptive noise cancellation |
DK2874409T3 (en) | 2013-11-15 | 2018-12-10 | Oticon As | Hearing aid with adaptive feedback path estimation |
US9704472B2 (en) | 2013-12-10 | 2017-07-11 | Cirrus Logic, Inc. | Systems and methods for sharing secondary path information between audio channels in an adaptive noise cancellation system |
US10219071B2 (en) | 2013-12-10 | 2019-02-26 | Cirrus Logic, Inc. | Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation |
US10382864B2 (en) | 2013-12-10 | 2019-08-13 | Cirrus Logic, Inc. | Systems and methods for providing adaptive playback equalization in an audio device |
US9369557B2 (en) | 2014-03-05 | 2016-06-14 | Cirrus Logic, Inc. | Frequency-dependent sidetone calibration |
US9479860B2 (en) | 2014-03-07 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for enhancing performance of audio transducer based on detection of transducer status |
US9319784B2 (en) * | 2014-04-14 | 2016-04-19 | Cirrus Logic, Inc. | Frequency-shaped noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices |
US10181315B2 (en) | 2014-06-13 | 2019-01-15 | Cirrus Logic, Inc. | Systems and methods for selectively enabling and disabling adaptation of an adaptive noise cancellation system |
US9478212B1 (en) | 2014-09-03 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device |
US9552805B2 (en) | 2014-12-19 | 2017-01-24 | Cirrus Logic, Inc. | Systems and methods for performance and stability control for feedback adaptive noise cancellation |
US10026388B2 (en) | 2015-08-20 | 2018-07-17 | Cirrus Logic, Inc. | Feedback adaptive noise cancellation (ANC) controller and method having a feedback response partially provided by a fixed-response filter |
US9578415B1 (en) | 2015-08-21 | 2017-02-21 | Cirrus Logic, Inc. | Hybrid adaptive noise cancellation system with filtered error microphone signal |
DE102015216822B4 (de) * | 2015-09-02 | 2017-07-06 | Sivantos Pte. Ltd. | Verfahren zur Unterdrückung einer Rückkopplung in einem Hörgerät |
DK3139636T3 (da) | 2015-09-07 | 2019-12-09 | Bernafon Ag | Høreanordning, der omfatter et tilbagekoblingsundertrykkelsessystem baseret på signalenergirelokation |
EP3409380A1 (fr) * | 2017-05-31 | 2018-12-05 | Nxp B.V. | Processeur acoustique |
US10540983B2 (en) | 2017-06-01 | 2020-01-21 | Sorenson Ip Holdings, Llc | Detecting and reducing feedback |
EP3525489B1 (fr) | 2018-02-09 | 2021-05-12 | Oticon A/s | Procédé de montage d'un dispositif auditif selon les des besoins d'un utilisateur, dispositif de programmation et système d'écoute |
WO2022041030A1 (fr) * | 2020-08-27 | 2022-03-03 | Harman International Industries, Incorporated | Suppression de sifflement à faible complexité pour un karaoké portable |
US20240007801A1 (en) * | 2020-11-20 | 2024-01-04 | Widex A/S | Method of suppressing acoustic feedback in a binaural hearing aid system |
US20240007802A1 (en) * | 2022-06-30 | 2024-01-04 | Oticon A/S | Hearing aid comprising a combined feedback and active noise cancellation system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0579152A1 (fr) * | 1992-07-13 | 1994-01-19 | Minnesota Mining And Manufacturing Company | Prothèse auditive, appareil de suppression de bruit et appareil de suppression de la réaction acoustique ayant un filtrage adaptatif focalisé |
US6650756B1 (en) * | 1997-05-21 | 2003-11-18 | Alpine Electronics, Inc. | Method and apparatus for characterizing audio transmitting system, and method and apparatus for setting characteristics of audio filter |
WO2007125132A2 (fr) * | 2007-05-22 | 2007-11-08 | Phonak Ag | Procédé d'annulation du retour dans un appareil auditif et appareil auditif ainsi obtenu |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8919591D0 (en) | 1989-08-30 | 1989-10-11 | Gn Davavox As | Hearing aid having compensation for acoustic feedback |
US6418227B1 (en) * | 1996-12-17 | 2002-07-09 | Texas Instruments Incorporated | Active noise control system and method for on-line feedback path modeling |
US5940519A (en) * | 1996-12-17 | 1999-08-17 | Texas Instruments Incorporated | Active noise control system and method for on-line feedback path modeling and on-line secondary path modeling |
US6434247B1 (en) * | 1999-07-30 | 2002-08-13 | Gn Resound A/S | Feedback cancellation apparatus and methods utilizing adaptive reference filter mechanisms |
US6831986B2 (en) * | 2000-12-21 | 2004-12-14 | Gn Resound A/S | Feedback cancellation in a hearing aid with reduced sensitivity to low-frequency tonal inputs |
EP1716721A1 (fr) | 2004-02-11 | 2006-11-02 | Koninklijke Philips Electronics N.V. | Suppression de retour acoustique |
DK2046073T3 (en) * | 2007-10-03 | 2017-05-22 | Oticon As | Hearing aid system with feedback device for predicting and canceling acoustic feedback, method and application |
-
2010
- 2010-03-26 EP EP13164634.1A patent/EP2621198A3/fr not_active Withdrawn
- 2010-03-26 EP EP10157933.2A patent/EP2237573B1/fr active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0579152A1 (fr) * | 1992-07-13 | 1994-01-19 | Minnesota Mining And Manufacturing Company | Prothèse auditive, appareil de suppression de bruit et appareil de suppression de la réaction acoustique ayant un filtrage adaptatif focalisé |
US6650756B1 (en) * | 1997-05-21 | 2003-11-18 | Alpine Electronics, Inc. | Method and apparatus for characterizing audio transmitting system, and method and apparatus for setting characteristics of audio filter |
WO2007125132A2 (fr) * | 2007-05-22 | 2007-11-08 | Phonak Ag | Procédé d'annulation du retour dans un appareil auditif et appareil auditif ainsi obtenu |
Also Published As
Publication number | Publication date |
---|---|
EP2237573A1 (fr) | 2010-10-06 |
EP2237573B1 (fr) | 2021-03-10 |
EP2621198A2 (fr) | 2013-07-31 |
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