DK2234415T3 - Fremgangsmåde og akustisk signalbearbejdningssystem til binaural støjreduktion - Google Patents

Fremgangsmåde og akustisk signalbearbejdningssystem til binaural støjreduktion

Info

Publication number
DK2234415T3
DK2234415T3 DK09004196.3T DK09004196T DK2234415T3 DK 2234415 T3 DK2234415 T3 DK 2234415T3 DK 09004196 T DK09004196 T DK 09004196T DK 2234415 T3 DK2234415 T3 DK 2234415T3
Authority
DK
Denmark
Prior art keywords
signal processing
processing system
noise reduction
acoustic signal
binaural noise
Prior art date
Application number
DK09004196.3T
Other languages
English (en)
Inventor
Henning Puder
Original Assignee
Siemens Medical Instr Pte 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 Siemens Medical Instr Pte Ltd filed Critical Siemens Medical Instr Pte Ltd
Application granted granted Critical
Publication of DK2234415T3 publication Critical patent/DK2234415T3/da

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/55—Electric hearing aids using an external connection, either wireless or wired
    • H04R25/552—Binaural
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • Neurosurgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
DK09004196.3T 2009-03-24 2009-03-24 Fremgangsmåde og akustisk signalbearbejdningssystem til binaural støjreduktion DK2234415T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09004196A EP2234415B1 (en) 2009-03-24 2009-03-24 Method and acoustic signal processing system for binaural noise reduction

Publications (1)

Publication Number Publication Date
DK2234415T3 true DK2234415T3 (da) 2012-02-13

Family

ID=40780940

Family Applications (1)

Application Number Title Priority Date Filing Date
DK09004196.3T DK2234415T3 (da) 2009-03-24 2009-03-24 Fremgangsmåde og akustisk signalbearbejdningssystem til binaural støjreduktion

Country Status (3)

Country Link
US (1) US8358796B2 (da)
EP (1) EP2234415B1 (da)
DK (1) DK2234415T3 (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2211563T3 (da) * 2009-01-21 2011-12-19 Siemens Medical Instr Pte Ltd Fremgangsmåde og apparat til blind kildeadskillelse til forbedring af interferensestimering ved binaural Weiner-filtrering
US8903722B2 (en) * 2011-08-29 2014-12-02 Intel Mobile Communications GmbH Noise reduction for dual-microphone communication devices
CZ304330B6 (cs) * 2012-11-23 2014-03-05 Technická univerzita v Liberci Způsob potlačení šumu a zvýraznění řečového signálu pro mobilní telefon se dvěma nebo více mikrofony
WO2014138774A1 (en) 2013-03-12 2014-09-18 Hear Ip Pty Ltd A noise reduction method and system
US9949041B2 (en) 2014-08-12 2018-04-17 Starkey Laboratories, Inc. Hearing assistance device with beamformer optimized using a priori spatial information
DK3588979T3 (da) * 2018-06-22 2020-12-14 Sivantos Pte Ltd Fremgangsmåde til forstærkning af en signalretning i et høreapparat
CN109961799A (zh) * 2019-01-31 2019-07-02 杭州惠耳听力技术设备有限公司 一种基于迭代维纳滤波的助听器多通道语音增强算法
US11557307B2 (en) * 2019-10-20 2023-01-17 Listen AS User voice control system
CN111951818B (zh) * 2020-08-20 2023-11-03 北京驭声科技有限公司 一种基于改进功率差噪声估计算法的双麦克风语音增强方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100486736B1 (ko) * 2003-03-31 2005-05-03 삼성전자주식회사 두개의 센서를 이용한 목적원별 신호 분리방법 및 장치
US7099821B2 (en) * 2003-09-12 2006-08-29 Softmax, Inc. Separation of target acoustic signals in a multi-transducer arrangement
DE102004053790A1 (de) 2004-11-08 2006-05-18 Siemens Audiologische Technik Gmbh Verfahren zur Erzeugung von Stereosignalen für getrennte Quellen und entsprechendes Akustiksystem
US7464029B2 (en) * 2005-07-22 2008-12-09 Qualcomm Incorporated Robust separation of speech signals in a noisy environment
GB0609248D0 (en) * 2006-05-10 2006-06-21 Leuven K U Res & Dev Binaural noise reduction preserving interaural transfer functions
DE102006027673A1 (de) * 2006-06-14 2007-12-20 Friedrich-Alexander-Universität Erlangen-Nürnberg Signaltrenner, Verfahren zum Bestimmen von Ausgangssignalen basierend auf Mikrophonsignalen und Computerprogramm
DK2036396T3 (da) * 2006-06-23 2010-04-19 Gn Resound As Høreindretning med adaptiv, retningsbestemt signalbehandling
GB0900930D0 (en) * 2009-01-20 2009-03-04 Future Injection Technologies Ltd Injection device
DK2211563T3 (da) * 2009-01-21 2011-12-19 Siemens Medical Instr Pte Ltd Fremgangsmåde og apparat til blind kildeadskillelse til forbedring af interferensestimering ved binaural Weiner-filtrering

Also Published As

Publication number Publication date
EP2234415A1 (en) 2010-09-29
EP2234415B1 (en) 2011-10-12
US20100246850A1 (en) 2010-09-30
US8358796B2 (en) 2013-01-22

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