DK2701145T3 - Støjestimering til anvendelse med støjreduktion og ekkoannullering i personlig kommunikation - Google Patents
Støjestimering til anvendelse med støjreduktion og ekkoannullering i personlig kommunikation Download PDFInfo
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/20—Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
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- 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
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
- G10L2021/02166—Microphone arrays; Beamforming
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
- H04R2227/009—Signal processing in [PA] systems to enhance the speech intelligibility
-
- 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
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- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Claims (15)
1. Fremgangsmåde til audiosignalbehandling, hvor fremgangsmåden omfatter: - i et eller flere frekvens-subbånd, modtagelse af M kommunikationssignaler (Ym(l,k)) i tidsrammer og omfatter et målsignal (Xm(l,k)) og et støjsignal (Vm(l,k)), hvor M>2; - i hvert subbånd, behandling af M subbånd-kommunikationssignalerne (Ym(l,k)) med et sæt af stråleformer-koefficienter (w(l,k) 204, 304, 404) for at opnå et stråleformer-udgangssignal (Yw(l,k)); - i hvert subbånd, behandling af M subbånd-kommunikationssignalerne (Ym(l,k)) i N lineært uafhængige mål-annullerende stråleformere (B(l,k), 203, 303, 403), hvor 1<N<M, for at opnå N mål-annullerede signaler (Z(l,k)) hvori målsignalet (Xm(l,k)) undertrykkes i forhold til støjsignalet (Vm(l,k)); behandling af kommunikationssignalerne (Ym(l,k)) med en målfraværsdetektor (309) for at opnå et målfraværssignal (T(l,k)); - i hvert subbånd, estimering afen kovariansmatrix (Ozz(l,k)) af orden N af de mål-annullerede signaler (Z(l,k)) som et gennemsnit, hvor individuelle tidsrammer vægtes som en funktion afmålfraværssignalet (T(l,k)); - i hvert subbånd, estimering afen invers mål-annulleret kovariansmatrix (φζ1(Ι,Α:)) af orden N (310, 410); - i hvert subbånd, bestemmelse af en realværdis-skaleringsfaktor (cMi.C£ fe). 312, 412) i afhængighed af den inverse mål-annullerede kovariansmatrix (φζ1ίί>?£)) og de N mål-annullerede signaler (Z(l,k)); - i hvert subbånd, bestemmelse af en indledende estimering ((pwo(l,k) 311, 411) af støjeffekten i stråleformer-udgangssignalet (Yw(l,k)) som et gennemsnit, hvor individuelle tidsrammer vægtes ved anvendelse af funktionen afmålfraværssignalet (T(l,k)); - i hvert subbånd, multiplikation af den indledende støjestimering (cpw0(l,k)) med skaleringsfaktoren (cMi,(^)) for at opnå en forbedret estimering ((pw(l,k), 417) af støjeffekten i stråleformer-udgangssignalet (Yw(l,k)).
2. Fremgangsmåde ifølge krav 1, hvor - i et eller flere subbånd, stråleformer-udgangssignalet (Yw(l,k), 204, 304, 404) frembringes ved anvendelse af i det mindste et adaptivt filter, der er afledt fra den inverse mål-annullerede kovariansmatrix mim) og de N mål-annullerede signaler (Z(l,k)).
3. Fremgangsmåde ifølge hvilke som helst af kravene 1 eller 2, hvor - i et eller flere subbånd, de N lineært uafhængige mål-annullerende stråleformere (B(l,k), 203, 303, 403) beregnes adaptivt (415) fra analyse af M kommunikationssignalerne.
4. Fremgangsmåde ifølge krav 3, hvor - i et eller flere subbånd, de N lineært uafhængige mål-annullerende stråleformere (B(l,k), 203, 303, 403) bestemmes adaptivt fra en søgevektor (d(l,k), 414), der er afledt fra en analyse (413) af en M'te ordens blandings-kovariansmatrix, der er estimeret i løbet af nylige rammer af måltilstedeværelse, og en M'te ordens støj-kovariansmatrix (409) af kommunikationssignaler, der er estimeret i løbet af nylige rammer af målfravær.
5. Fremgangsmåde ifølge krav 4 hvor - i et eller flere subbånd, hvor analysen omfatter en egenvektoranalyse af en forskel mellem blandings-kovariansmatrixen og støj-kovariansmatrixen og vælger egenvektoren, der er forbundet med den største egenværdi som søgevektoren (d(l,k)).
6. Fremgangsmåde ifølge krav 4, hvor - i et eller flere subbånd, analysen omfatter en generaliseret egenvektoranalyse af den inverse af støjkovariansestimering multipliceret med blandings-kovariansmatrixen og ved anvendelse af egenvektoren, der er forbundet med den største egenværdi for at opnå søgevektoren (d(l,k)).
7. Fremgangsmåde ifølge hvilke som helst af kravene 1-6, hvor - i hvert subbånd, den inverse mål-annullerede kovariansmatrix (φ2ζ(^λ'..ί) er estimeret (310) ved at behandle de N mål-annullerede signaler (Z(l,k)) med et ydre produkt for at opnå et ydre produktmatrix af orden N; -estimering afen mål-annulleret kovariansmatrix (<t>zz(l,k)) som et gennemsnit af det ydre produktmatrix, hvor individuelle tidsrammer vægtes som en funktion af målfraværssignalet (T(l,k)) - vending af den mål-annullerede kovariansmatrix (Ozz(l,k)) for at opnå den inverse mål-annullerede kovariansmatrix
8. Fremgangsmåde ifølge hvilke som helst af kravene 1 - 6, hvor den inverse mål-annullerede kovariansmatrix ίφζζί^1) beregnes (410) ved - i hvert subbånd, behandling af M kommunikationssignalerne med et ydre produkt for at opnå et ydre produktsignalmatrix af orden M; - estimering af en støj-kovariansmatrix (<t>w(l,k)) af orden M som et gennemsnit af den ydre produktmatrix, hvor individuelle tidsrammer vægtes som en funktion afmålfraværssignalet (T(l,k)) - i hvert subbånd, behandling af støj-kovariansmatrixen (<t>w(l,k)) med blokeringsmatrixen (B(l,k)) for at opnå en mål-annullerede kovariansmatrix (ct>zz(l,k)) af orden N; - i hvert subbånd, vending af den mål-annullerede kovariansmatrix (<t>zz(l,k)) for at opnå den inverse mål-annullerede kovariansmatrix (φζζ(ι>^)}·
9. Fremgangsmåde ifølge hvilke som helst af de foregående krav, der yderligere omfatter - modtagelse af et audiosignal ved hjælp af et mi krofon-array (101,201,301, 401) , der omfatter M mikrofoner, for at opnå M mikrofonsignaler (ym(n)), der hver omfatter et målsignal (xm(n)) og et støjsignal (vm(n)); - lede M mikrofonsignalerne (ym(n)) gennem en analysefilterbank (202, 302, 402) for at opnå M kommunikationssignalerne (Ym(l,k)) i et eller flere frekvens-subbånd; - i hvert subbånd, bestemmelse af en postfilter-forstærkningsværdi i afhængighed af den forbedrede estimering (cpw(l,k)) af støjeffekten i stråleformer-udgangssignalet (Yw(l,k)) og fra stråleformer-udgangssignalet (Yw(l,k)); - i hvert subbånd, behandling af stråleformer-udgangssignalet (Yw(l,k)) med postfilter-forstærkningsværdien (206, 306, 406) for at opnå et postfilterudgangssignal; - forbinde postfilter-udgangssignalerne fra subbåndene i en syntese-filterbank (207, 307, 407) for at opnå et forbedret stråleformet udgangssignal.
10. Fremgangsmåde ifølge hvilke som helst af de foregående krav, der yderligere omfatter modtagelse af L højttalersignaler (ui(n)) fra L respektive højttalere (209), hvor L>1, - modtagelse af et audiosignal ved hjælp af et mi krofon-array (101,201,301, 401), der omfatter M mikrofoner, for at opnå M ekko-kontaminerede mikrofonsignaler (am(n)), der hver omfatter et målsignal (xm(n)) og et støjsignal (vm(n)); - adaptiv estimering af filtervægte (210) til at filtrere hver af L højttalersignalerne (ui(n)) for at tilpasse hvert af de M ekko-kontaminerede mikrofonsignaler (am(n)); - subtraktion af hvert af de L filtrerede højttalersignaler fra hvert af de M ekko-kontaminerede mikrofonsignaler (am(n)) for at opnå M ekko-annullerede mikrofonsignaler (ym(n)). - i hvert subbånd, bestemmelse af en postfilter-forstærkningsværdi i afhængighed af den forbedrede estimering ((pw(l,k)) af støjeffekten i stråleformer-udgangssignalet (Yw(l,k)) og stråleformer-udgangssignalet (Yw(l,k)); - i hvert subbånd, behandling af stråleformer-udgangssignalet (Yw(l,k)) med postfilter-forstærkningsværdien (206, 306, 406) for at opnå et postfilterudgangssignal; - forbinde postfilter-udgangssignalerne af subbåndene i en syntese-filterbank (207, 307, 407) for at opnå et forbedret stråleformet udgangssignal.
11. Fremgangsmåde ifølge hvilke som helst af de foregående krav, hvor det forbedrede stråleformede udgangssignal anvendes som input til et stemmestyresystem.
12. Fremgangsmåde ifølge hvilke som helst af kravene 1-10, hvor stråleformer-udgangssignalet og den forbedrede estimering af effekten af stråleformer-outputstøjsignal-komponenten anvendes som input til et stemmestyresystem.
13. Anordning, der er indrettet til at udføre en fremgangsmåde ifølge hvilke som helst af de foregående krav.
14. Binauralt høreapparatsystem, der omfatter to høreapparater, der er indrettet til at udføre en fremgangsmåde ifølge hvilke som helst af kravene 1-12.
15. Høreapparat, der er indrettet til at udføre en fremgangsmåde ifølge hvilke som helst af kravene 1-12.
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EP12181723.3A EP2701145B1 (en) | 2012-08-24 | 2012-08-24 | Noise estimation for use with noise reduction and echo cancellation in personal communication |
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DK12181723.3T DK2701145T3 (da) | 2012-08-24 | 2012-08-24 | Støjestimering til anvendelse med støjreduktion og ekkoannullering i personlig kommunikation |
DK16193246.2T DK3190587T3 (da) | 2012-08-24 | 2012-08-24 | Støjestimering til anvendelse med støjreduktion og ekkoundertrykkelse i personlig kommunikation |
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US (1) | US9224393B2 (da) |
EP (3) | EP3462452A1 (da) |
CN (2) | CN103632675B (da) |
AU (1) | AU2013219177A1 (da) |
DK (2) | DK2701145T3 (da) |
Families Citing this family (149)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140105411A1 (en) * | 2012-10-16 | 2014-04-17 | Peter Santos | Methods and systems for karaoke on a mobile device |
US9048942B2 (en) * | 2012-11-30 | 2015-06-02 | Mitsubishi Electric Research Laboratories, Inc. | Method and system for reducing interference and noise in speech signals |
WO2014137341A1 (en) * | 2013-03-07 | 2014-09-12 | Nuance Communications, Inc. | Method for training an automatic speech recognition system |
US9312826B2 (en) | 2013-03-13 | 2016-04-12 | Kopin Corporation | Apparatuses and methods for acoustic channel auto-balancing during multi-channel signal extraction |
US10306389B2 (en) | 2013-03-13 | 2019-05-28 | Kopin Corporation | Head wearable acoustic system with noise canceling microphone geometry apparatuses and methods |
DE102013205790B4 (de) | 2013-04-02 | 2017-07-06 | Sivantos Pte. Ltd. | Verfahren zum Schätzen eines Nutzsignals und Hörvorrichtung |
US9984675B2 (en) | 2013-05-24 | 2018-05-29 | Google Technology Holdings LLC | Voice controlled audio recording system with adjustable beamforming |
US9269350B2 (en) * | 2013-05-24 | 2016-02-23 | Google Technology Holdings LLC | Voice controlled audio recording or transmission apparatus with keyword filtering |
TW201507489A (zh) * | 2013-08-09 | 2015-02-16 | Nat Univ Tsing Hua | 利用陣列麥克風消除迴聲的方法 |
GB2520048B (en) * | 2013-11-07 | 2018-07-11 | Toshiba Res Europe Limited | Speech processing system |
US9704478B1 (en) * | 2013-12-02 | 2017-07-11 | Amazon Technologies, Inc. | Audio output masking for improved automatic speech recognition |
EP2882203A1 (en) | 2013-12-06 | 2015-06-10 | Oticon A/s | Hearing aid device for hands free communication |
EP2916320A1 (en) * | 2014-03-07 | 2015-09-09 | Oticon A/s | Multi-microphone method for estimation of target and noise spectral variances |
DK2916321T3 (da) | 2014-03-07 | 2018-01-15 | Oticon As | Behandling af et støjende audiosignal for at estimere mål- og støjspektralvarianser |
DE102014205503A1 (de) | 2014-03-25 | 2015-10-01 | Hamm Ag | Verfahren zur Korrektur eines Messwerteverlaufs durch das Eliminieren periodisch auftretender Messartefakte, insbesondere bei einem Bodenverdichter |
EP2928210A1 (en) | 2014-04-03 | 2015-10-07 | Oticon A/s | A binaural hearing assistance system comprising binaural noise reduction |
EP2928211A1 (en) * | 2014-04-04 | 2015-10-07 | Oticon A/s | Self-calibration of multi-microphone noise reduction system for hearing assistance devices using an auxiliary device |
US9990939B2 (en) * | 2014-05-19 | 2018-06-05 | Nuance Communications, Inc. | Methods and apparatus for broadened beamwidth beamforming and postfiltering |
US9564144B2 (en) * | 2014-07-24 | 2017-02-07 | Conexant Systems, Inc. | System and method for multichannel on-line unsupervised bayesian spectral filtering of real-world acoustic noise |
US9949041B2 (en) | 2014-08-12 | 2018-04-17 | Starkey Laboratories, Inc. | Hearing assistance device with beamformer optimized using a priori spatial information |
DK2999235T3 (da) * | 2014-09-17 | 2020-01-20 | Oticon As | Høreanordning der omfatter en gsc stråleformer |
GB2527865B (en) * | 2014-10-30 | 2016-12-14 | Imagination Tech Ltd | Controlling operational characteristics of an acoustic echo canceller |
EP3021600B1 (en) | 2014-11-13 | 2017-10-11 | Oticon A/s | A method of fitting a hearing device to a user, a fitting system for a hearing device and a hearing device |
US9508357B1 (en) | 2014-11-21 | 2016-11-29 | Apple Inc. | System and method of optimizing a beamformer for echo control |
US10405829B2 (en) | 2014-12-01 | 2019-09-10 | Clarius Mobile Health Corp. | Ultrasound machine having scalable receive beamformer architecture comprising multiple beamformers with common coefficient generator and related methods |
BR112017003218B1 (pt) * | 2014-12-12 | 2021-12-28 | Huawei Technologies Co., Ltd. | Aparelho de processamento de sinal para aprimorar um componente de voz dentro de um sinal de áudio multicanal |
US10649088B1 (en) * | 2015-01-13 | 2020-05-12 | DSCG Solutions, Inc. | Absolute object position location identification |
EP3054706A3 (en) | 2015-02-09 | 2016-12-07 | Oticon A/s | A binaural hearing system and a hearing device comprising a beamformer unit |
EP3057340B1 (en) * | 2015-02-13 | 2019-05-22 | Oticon A/s | A partner microphone unit and a hearing system comprising a partner microphone unit |
DK3057337T3 (da) | 2015-02-13 | 2020-05-11 | Oticon As | Høreapparat omfattende en adskilt mikrofonenhed til at opfange en brugers egen stemme |
WO2016178231A1 (en) * | 2015-05-06 | 2016-11-10 | Bakish Idan | Method and system for acoustic source enhancement using acoustic sensor array |
CN107636758B (zh) | 2015-05-15 | 2022-05-24 | 哈曼国际工业有限公司 | 声学回声消除系统和方法 |
EP3101919B1 (en) | 2015-06-02 | 2020-02-19 | Oticon A/s | A peer to peer hearing system |
US9407989B1 (en) | 2015-06-30 | 2016-08-02 | Arthur Woodrow | Closed audio circuit |
DK3118851T3 (da) * | 2015-07-01 | 2021-02-22 | Oticon As | Forbedring af støjende tale baseret på statistiske tale- og støjmodeller |
US10412488B2 (en) | 2015-08-19 | 2019-09-10 | Retune DSP ApS | Microphone array signal processing system |
US9401158B1 (en) * | 2015-09-14 | 2016-07-26 | Knowles Electronics, Llc | Microphone signal fusion |
DK3157268T3 (da) * | 2015-10-12 | 2021-08-16 | Oticon As | Høreanordning og høresystem, der er konfigureret til at lokalisere en lydkilde |
US11631421B2 (en) * | 2015-10-18 | 2023-04-18 | Solos Technology Limited | Apparatuses and methods for enhanced speech recognition in variable environments |
US20170150254A1 (en) * | 2015-11-19 | 2017-05-25 | Vocalzoom Systems Ltd. | System, device, and method of sound isolation and signal enhancement |
CN108292508B (zh) * | 2015-12-02 | 2021-11-23 | 日本电信电话株式会社 | 空间相关矩阵估计装置、空间相关矩阵估计方法和记录介质 |
US9721582B1 (en) | 2016-02-03 | 2017-08-01 | Google Inc. | Globally optimized least-squares post-filtering for speech enhancement |
US10095470B2 (en) | 2016-02-22 | 2018-10-09 | Sonos, Inc. | Audio response playback |
US10264030B2 (en) | 2016-02-22 | 2019-04-16 | Sonos, Inc. | Networked microphone device control |
US9772817B2 (en) | 2016-02-22 | 2017-09-26 | Sonos, Inc. | Room-corrected voice detection |
US10509626B2 (en) | 2016-02-22 | 2019-12-17 | Sonos, Inc | Handling of loss of pairing between networked devices |
DK3236672T3 (da) | 2016-04-08 | 2019-10-28 | Oticon As | Høreanordning, der omfatter en stråleformerfiltreringsenhed |
EP3229489B1 (en) | 2016-04-08 | 2021-03-17 | Oticon A/s | A hearing aid comprising a directional microphone system |
EP3229490B1 (en) * | 2016-04-10 | 2019-10-16 | Oticon A/s | A distortion free filter bank for a hearing device |
CN105846793B (zh) * | 2016-04-14 | 2019-10-08 | 北京智联安科技有限公司 | 一种动态可变时间常数滤波器及滤波方法 |
US10861478B2 (en) * | 2016-05-30 | 2020-12-08 | Oticon A/S | Audio processing device and a method for estimating a signal-to-noise-ratio of a sound signal |
EP3509325B1 (en) * | 2016-05-30 | 2021-01-27 | Oticon A/s | A hearing aid comprising a beam former filtering unit comprising a smoothing unit |
DK3252766T3 (da) * | 2016-05-30 | 2021-09-06 | Oticon As | Audiobehandlingsanordning og fremgangsmåde til estimering af signal-til-støj-forholdet for et lydsignal |
US10433076B2 (en) * | 2016-05-30 | 2019-10-01 | Oticon A/S | Audio processing device and a method for estimating a signal-to-noise-ratio of a sound signal |
US11483663B2 (en) | 2016-05-30 | 2022-10-25 | Oticon A/S | Audio processing device and a method for estimating a signal-to-noise-ratio of a sound signal |
AU2017286519B2 (en) * | 2016-06-13 | 2020-05-07 | Med-El Elektromedizinische Geraete Gmbh | Recursive noise power estimation with noise model adaptation |
US9818425B1 (en) * | 2016-06-17 | 2017-11-14 | Amazon Technologies, Inc. | Parallel output paths for acoustic echo cancellation |
US10134399B2 (en) | 2016-07-15 | 2018-11-20 | Sonos, Inc. | Contextualization of voice inputs |
US10115400B2 (en) | 2016-08-05 | 2018-10-30 | Sonos, Inc. | Multiple voice services |
DK3285501T3 (da) | 2016-08-16 | 2020-02-17 | Oticon As | Høresystem, der omfatter et høreapparat og en mikrofonenhed til at opfange en brugers egen stemme |
DK3306956T3 (da) | 2016-10-05 | 2019-10-28 | Oticon As | En binaural stråleformerfiltreringsenhed, et høresystem og en høreanordning |
US10181323B2 (en) | 2016-10-19 | 2019-01-15 | Sonos, Inc. | Arbitration-based voice recognition |
CN106782608B (zh) * | 2016-12-10 | 2019-11-05 | 广州酷狗计算机科技有限公司 | 噪声检测方法及装置 |
DK3340653T3 (da) * | 2016-12-22 | 2020-05-11 | Gn Hearing As | Aktiv undertrykkelse af okklusion |
US10170134B2 (en) * | 2017-02-21 | 2019-01-01 | Intel IP Corporation | Method and system of acoustic dereverberation factoring the actual non-ideal acoustic environment |
US10182290B2 (en) * | 2017-02-23 | 2019-01-15 | Microsoft Technology Licensing, Llc | Covariance matrix estimation with acoustic imaging |
US10555094B2 (en) | 2017-03-29 | 2020-02-04 | Gn Hearing A/S | Hearing device with adaptive sub-band beamforming and related method |
US10463476B2 (en) | 2017-04-28 | 2019-11-05 | Cochlear Limited | Body noise reduction in auditory prostheses |
CN107026950B (zh) * | 2017-05-04 | 2019-09-17 | 重庆第二师范学院 | 一种频域自适应回声消除方法 |
JP7103353B2 (ja) * | 2017-05-08 | 2022-07-20 | ソニーグループ株式会社 | 情報処理装置 |
US10468020B2 (en) * | 2017-06-06 | 2019-11-05 | Cypress Semiconductor Corporation | Systems and methods for removing interference for audio pattern recognition |
EP4184950A1 (en) | 2017-06-09 | 2023-05-24 | Oticon A/s | A microphone system and a hearing device comprising a microphone system |
US20180358032A1 (en) * | 2017-06-12 | 2018-12-13 | Ryo Tanaka | System for collecting and processing audio signals |
US10475449B2 (en) | 2017-08-07 | 2019-11-12 | Sonos, Inc. | Wake-word detection suppression |
CN107301869B (zh) * | 2017-08-17 | 2021-01-29 | 珠海全志科技股份有限公司 | 麦克风阵列拾音方法、处理器及其存储介质 |
US10048930B1 (en) | 2017-09-08 | 2018-08-14 | Sonos, Inc. | Dynamic computation of system response volume |
EP3460795A1 (en) * | 2017-09-21 | 2019-03-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal processor and method for providing a processed audio signal reducing noise and reverberation |
US10446165B2 (en) * | 2017-09-27 | 2019-10-15 | Sonos, Inc. | Robust short-time fourier transform acoustic echo cancellation during audio playback |
US10621981B2 (en) | 2017-09-28 | 2020-04-14 | Sonos, Inc. | Tone interference cancellation |
US10482868B2 (en) | 2017-09-28 | 2019-11-19 | Sonos, Inc. | Multi-channel acoustic echo cancellation |
US10466962B2 (en) | 2017-09-29 | 2019-11-05 | Sonos, Inc. | Media playback system with voice assistance |
EP3471440A1 (en) | 2017-10-10 | 2019-04-17 | Oticon A/s | A hearing device comprising a speech intelligibilty estimator for influencing a processing algorithm |
EP3477964B1 (en) | 2017-10-27 | 2021-03-24 | Oticon A/s | A hearing system configured to localize a target sound source |
US10110994B1 (en) * | 2017-11-21 | 2018-10-23 | Nokia Technologies Oy | Method and apparatus for providing voice communication with spatial audio |
US10679617B2 (en) * | 2017-12-06 | 2020-06-09 | Synaptics Incorporated | Voice enhancement in audio signals through modified generalized eigenvalue beamformer |
CN111527543A (zh) * | 2017-12-29 | 2020-08-11 | 哈曼国际工业有限公司 | 用于远端电信的声学车厢内噪声消除系统 |
DK3506658T3 (da) | 2017-12-29 | 2020-11-30 | Oticon As | Høreanordning, der omfatter en mikrofon, som er tilpasset til at blive placeret ved eller i en brugers øregang |
US11146887B2 (en) | 2017-12-29 | 2021-10-12 | Harman International Industries, Incorporated | Acoustical in-cabin noise cancellation system for far-end telecommunications |
EP3787316A1 (en) | 2018-02-09 | 2021-03-03 | Oticon A/s | A hearing device comprising a beamformer filtering unit for reducing feedback |
WO2019163487A1 (ja) * | 2018-02-23 | 2019-08-29 | 日本電信電話株式会社 | 信号分析装置、信号分析方法及び信号分析プログラム |
US10418048B1 (en) * | 2018-04-30 | 2019-09-17 | Cirrus Logic, Inc. | Noise reference estimation for noise reduction |
US11175880B2 (en) | 2018-05-10 | 2021-11-16 | Sonos, Inc. | Systems and methods for voice-assisted media content selection |
US10959029B2 (en) | 2018-05-25 | 2021-03-23 | Sonos, Inc. | Determining and adapting to changes in microphone performance of playback devices |
EP3582513B1 (en) | 2018-06-12 | 2021-12-08 | Oticon A/s | A hearing device comprising adaptive sound source frequency lowering |
DK3588983T3 (da) | 2018-06-25 | 2023-04-17 | Oticon As | Høreanordning tilpasset til at matche indgangstransducere ved anvendelse af stemmen af en bruger af høreanordningen |
US10938994B2 (en) * | 2018-06-25 | 2021-03-02 | Cypress Semiconductor Corporation | Beamformer and acoustic echo canceller (AEC) system |
US11417351B2 (en) * | 2018-06-26 | 2022-08-16 | Google Llc | Multi-channel echo cancellation with scenario memory |
US10559317B2 (en) | 2018-06-29 | 2020-02-11 | Cirrus Logic International Semiconductor Ltd. | Microphone array processing for adaptive echo control |
US11076035B2 (en) | 2018-08-28 | 2021-07-27 | Sonos, Inc. | Do not disturb feature for audio notifications |
US10587430B1 (en) | 2018-09-14 | 2020-03-10 | Sonos, Inc. | Networked devices, systems, and methods for associating playback devices based on sound codes |
US11024331B2 (en) | 2018-09-21 | 2021-06-01 | Sonos, Inc. | Voice detection optimization using sound metadata |
US11100923B2 (en) | 2018-09-28 | 2021-08-24 | Sonos, Inc. | Systems and methods for selective wake word detection using neural network models |
EP3637800B1 (en) * | 2018-10-12 | 2024-01-17 | Oticon A/s | Noise reduction method and system |
US11899519B2 (en) | 2018-10-23 | 2024-02-13 | Sonos, Inc. | Multiple stage network microphone device with reduced power consumption and processing load |
US11843910B2 (en) * | 2018-11-12 | 2023-12-12 | Nippon Telegraph And Telephone Corporation | Sound-source signal estimate apparatus, sound-source signal estimate method, and program |
CN109597022B (zh) * | 2018-11-30 | 2023-02-17 | 腾讯科技(深圳)有限公司 | 声源方位角运算、定位目标音频的方法、装置和设备 |
JP7407580B2 (ja) | 2018-12-06 | 2024-01-04 | シナプティクス インコーポレイテッド | システム、及び、方法 |
US11183183B2 (en) | 2018-12-07 | 2021-11-23 | Sonos, Inc. | Systems and methods of operating media playback systems having multiple voice assistant services |
US11132989B2 (en) | 2018-12-13 | 2021-09-28 | Sonos, Inc. | Networked microphone devices, systems, and methods of localized arbitration |
EP3675517B1 (en) * | 2018-12-31 | 2021-10-20 | GN Audio A/S | Microphone apparatus and headset |
US10867604B2 (en) | 2019-02-08 | 2020-12-15 | Sonos, Inc. | Devices, systems, and methods for distributed voice processing |
CN109740582B (zh) * | 2019-03-04 | 2020-09-11 | 广东石油化工学院 | 一种用于能量分解的功率信号噪声滤除方法及系统 |
CN109949820B (zh) * | 2019-03-07 | 2020-05-08 | 出门问问信息科技有限公司 | 一种语音信号处理方法、装置及系统 |
US11120794B2 (en) | 2019-05-03 | 2021-09-14 | Sonos, Inc. | Voice assistant persistence across multiple network microphone devices |
CN110211601B (zh) * | 2019-05-21 | 2020-05-08 | 出门问问信息科技有限公司 | 一种空域滤波器参数矩阵的获取方法、装置及系统 |
US11200894B2 (en) | 2019-06-12 | 2021-12-14 | Sonos, Inc. | Network microphone device with command keyword eventing |
US11044556B2 (en) * | 2019-06-28 | 2021-06-22 | Bose Corporation | Systems and methods for canceling echo in a microphone signal |
US10871943B1 (en) | 2019-07-31 | 2020-12-22 | Sonos, Inc. | Noise classification for event detection |
CN110324753A (zh) * | 2019-07-31 | 2019-10-11 | 歌尔科技有限公司 | 一种基于耳机的声音播放方法、装置及耳机 |
CN114223031A (zh) | 2019-08-01 | 2022-03-22 | 杜比实验室特许公司 | 协方差平滑的系统及方法 |
TWI719619B (zh) * | 2019-09-03 | 2021-02-21 | 瑞昱半導體股份有限公司 | 具回音消除省電機制之電子系統及相關回音消除方法 |
EP3793210A1 (en) | 2019-09-11 | 2021-03-17 | Oticon A/s | A hearing device comprising a noise reduction system |
FI20195895A1 (en) * | 2019-10-16 | 2021-04-17 | Nokia Solutions & Networks Oy | Distribution of limiting noise between bands |
US11189286B2 (en) | 2019-10-22 | 2021-11-30 | Sonos, Inc. | VAS toggle based on device orientation |
CN110931007B (zh) * | 2019-12-04 | 2022-07-12 | 思必驰科技股份有限公司 | 语音识别方法及系统 |
CN110856072B (zh) * | 2019-12-04 | 2021-03-19 | 北京声加科技有限公司 | 一种耳机通话降噪方法及耳机 |
US11200900B2 (en) | 2019-12-20 | 2021-12-14 | Sonos, Inc. | Offline voice control |
US11562740B2 (en) | 2020-01-07 | 2023-01-24 | Sonos, Inc. | Voice verification for media playback |
US11064294B1 (en) | 2020-01-10 | 2021-07-13 | Synaptics Incorporated | Multiple-source tracking and voice activity detections for planar microphone arrays |
US11308958B2 (en) | 2020-02-07 | 2022-04-19 | Sonos, Inc. | Localized wakeword verification |
US11632635B2 (en) * | 2020-04-17 | 2023-04-18 | Oticon A/S | Hearing aid comprising a noise reduction system |
US11482224B2 (en) | 2020-05-20 | 2022-10-25 | Sonos, Inc. | Command keywords with input detection windowing |
WO2022048736A1 (en) * | 2020-09-02 | 2022-03-10 | Huawei Technologies Co., Ltd. | Acoustic processing device for mimo acoustic echo cancellation |
CN112530451A (zh) * | 2020-10-20 | 2021-03-19 | 国网黑龙江省电力有限公司伊春供电公司 | 基于去噪自编码器的语音增强方法 |
CN112542176B (zh) * | 2020-11-04 | 2023-07-21 | 北京百度网讯科技有限公司 | 信号增强方法、装置及存储介质 |
US11984123B2 (en) | 2020-11-12 | 2024-05-14 | Sonos, Inc. | Network device interaction by range |
EP4040806A3 (en) | 2021-01-18 | 2022-12-21 | Oticon A/s | A hearing device comprising a noise reduction system |
EP4040801A1 (en) | 2021-02-09 | 2022-08-10 | Oticon A/s | A hearing aid configured to select a reference microphone |
CN113038338A (zh) * | 2021-03-22 | 2021-06-25 | 联想(北京)有限公司 | 降噪处理方法和装置 |
CN113257270B (zh) * | 2021-05-10 | 2022-07-15 | 中国科学技术大学 | 一种基于参考麦克风优化的多通道语音增强方法 |
CN113506582B (zh) * | 2021-05-25 | 2024-07-09 | 北京小米移动软件有限公司 | 声音信号识别方法、装置及系统 |
US11889261B2 (en) * | 2021-10-06 | 2024-01-30 | Bose Corporation | Adaptive beamformer for enhanced far-field sound pickup |
EP4178221A1 (en) | 2021-11-08 | 2023-05-10 | Oticon A/s | A hearing device or system comprising a noise control system |
CN116964667A (zh) * | 2021-11-11 | 2023-10-27 | 深圳市韶音科技有限公司 | 语音活动检测方法、系统、语音增强方法以及系统 |
US11823707B2 (en) | 2022-01-10 | 2023-11-21 | Synaptics Incorporated | Sensitivity mode for an audio spotting system |
US20230308817A1 (en) | 2022-03-25 | 2023-09-28 | Oticon A/S | Hearing system comprising a hearing aid and an external processing device |
DE102022111300A1 (de) | 2022-05-06 | 2023-11-09 | Elevear GmbH | Vorrichtung zur Reduzierung des Rauschens bei der Wiedergabe eines Audiosignals mit einem Kopfhörer oder Hörgerät und entsprechendes Verfahren |
CN115424609A (zh) * | 2022-08-16 | 2022-12-02 | 青岛大学 | 一种自动语音识别方法、系统、介质、设备及终端 |
EP4398604A1 (en) | 2023-01-06 | 2024-07-10 | Oticon A/s | Hearing aid and method |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6144937A (en) * | 1997-07-23 | 2000-11-07 | Texas Instruments Incorporated | Noise suppression of speech by signal processing including applying a transform to time domain input sequences of digital signals representing audio information |
CN100534001C (zh) * | 2003-02-07 | 2009-08-26 | 日本电信电话株式会社 | 声音获取方法和声音获取装置 |
KR100657912B1 (ko) * | 2004-11-18 | 2006-12-14 | 삼성전자주식회사 | 잡음 제거 방법 및 장치 |
CN101263734B (zh) * | 2005-09-02 | 2012-01-25 | 丰田自动车株式会社 | 麦克风阵列用后置滤波器 |
ATE448649T1 (de) | 2007-08-13 | 2009-11-15 | Harman Becker Automotive Sys | Rauschverringerung mittels kombination aus strahlformung und nachfilterung |
DK2088802T3 (da) * | 2008-02-07 | 2013-10-14 | Oticon As | Fremgangsmåde til estimering af lydsignalers vægtningsfunktion i et høreapparat |
JP5075042B2 (ja) * | 2008-07-23 | 2012-11-14 | 日本電信電話株式会社 | エコー消去装置、エコー消去方法、そのプログラム、記録媒体 |
CN101763858A (zh) * | 2009-10-19 | 2010-06-30 | 瑞声声学科技(深圳)有限公司 | 双麦克风信号处理方法 |
EP2372700A1 (en) * | 2010-03-11 | 2011-10-05 | Oticon A/S | A speech intelligibility predictor and applications thereof |
JP5678445B2 (ja) * | 2010-03-16 | 2015-03-04 | ソニー株式会社 | 音声処理装置、音声処理方法およびプログラム |
CN102164328B (zh) * | 2010-12-29 | 2013-12-11 | 中国科学院声学研究所 | 一种用于家庭环境的基于传声器阵列的音频输入系统 |
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