ATE454696T1 - Schnelle schätzung der spektraldichte der rauschleistung zur sprachsignalverbesserung - Google Patents
Schnelle schätzung der spektraldichte der rauschleistung zur sprachsignalverbesserungInfo
- Publication number
- ATE454696T1 ATE454696T1 AT07017134T AT07017134T ATE454696T1 AT E454696 T1 ATE454696 T1 AT E454696T1 AT 07017134 T AT07017134 T AT 07017134T AT 07017134 T AT07017134 T AT 07017134T AT E454696 T1 ATE454696 T1 AT E454696T1
- Authority
- AT
- Austria
- Prior art keywords
- noise power
- speech signal
- spectral density
- power spectral
- signal improvement
- Prior art date
Links
- 230000003595 spectral effect Effects 0.000 title abstract 5
- 230000005236 sound signal Effects 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 1
- 230000036962 time dependent Effects 0.000 abstract 1
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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Quality & Reliability (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Circuit For Audible Band Transducer (AREA)
- Noise Elimination (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07017134A EP2031583B1 (de) | 2007-08-31 | 2007-08-31 | Schnelle Schätzung der Spektraldichte der Rauschleistung zur Sprachsignalverbesserung |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE454696T1 true ATE454696T1 (de) | 2010-01-15 |
Family
ID=38577266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT07017134T ATE454696T1 (de) | 2007-08-31 | 2007-08-31 | Schnelle schätzung der spektraldichte der rauschleistung zur sprachsignalverbesserung |
Country Status (4)
Country | Link |
---|---|
US (1) | US8364479B2 (de) |
EP (1) | EP2031583B1 (de) |
AT (1) | ATE454696T1 (de) |
DE (1) | DE602007004217D1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9142221B2 (en) * | 2008-04-07 | 2015-09-22 | Cambridge Silicon Radio Limited | Noise reduction |
US20100239110A1 (en) * | 2009-03-17 | 2010-09-23 | Temic Automotive Of North America, Inc. | Systems and Methods for Optimizing an Audio Communication System |
US8738367B2 (en) * | 2009-03-18 | 2014-05-27 | Nec Corporation | Speech signal processing device |
ATE512438T1 (de) | 2009-03-23 | 2011-06-15 | Harman Becker Automotive Sys | Hintergrundgeräuschschätzung |
US9838784B2 (en) | 2009-12-02 | 2017-12-05 | Knowles Electronics, Llc | Directional audio capture |
KR101060183B1 (ko) * | 2009-12-11 | 2011-08-30 | 한국과학기술연구원 | 임베디드 청각 시스템 및 음성 신호 처리 방법 |
US9087518B2 (en) * | 2009-12-25 | 2015-07-21 | Mitsubishi Electric Corporation | Noise removal device and noise removal program |
US8798290B1 (en) | 2010-04-21 | 2014-08-05 | Audience, Inc. | Systems and methods for adaptive signal equalization |
US9558755B1 (en) | 2010-05-20 | 2017-01-31 | Knowles Electronics, Llc | Noise suppression assisted automatic speech recognition |
JP5566846B2 (ja) * | 2010-10-15 | 2014-08-06 | 本田技研工業株式会社 | ノイズパワー推定装置及びノイズパワー推定方法並びに音声認識装置及び音声認識方法 |
US9173025B2 (en) | 2012-02-08 | 2015-10-27 | Dolby Laboratories Licensing Corporation | Combined suppression of noise, echo, and out-of-location signals |
US8712076B2 (en) | 2012-02-08 | 2014-04-29 | Dolby Laboratories Licensing Corporation | Post-processing including median filtering of noise suppression gains |
US9978394B1 (en) * | 2014-03-11 | 2018-05-22 | QoSound, Inc. | Noise suppressor |
CN107112025A (zh) | 2014-09-12 | 2017-08-29 | 美商楼氏电子有限公司 | 用于恢复语音分量的***和方法 |
DE112016000545B4 (de) | 2015-01-30 | 2019-08-22 | Knowles Electronics, Llc | Kontextabhängiges schalten von mikrofonen |
US10032462B2 (en) | 2015-02-26 | 2018-07-24 | Indian Institute Of Technology Bombay | Method and system for suppressing noise in speech signals in hearing aids and speech communication devices |
CN106571146B (zh) * | 2015-10-13 | 2019-10-15 | 阿里巴巴集团控股有限公司 | 噪音信号确定方法、语音去噪方法及装置 |
US10455319B1 (en) * | 2018-07-18 | 2019-10-22 | Motorola Mobility Llc | Reducing noise in audio signals |
CN114166491A (zh) * | 2021-11-26 | 2022-03-11 | 中科传启(苏州)科技有限公司 | 目标设备故障监测方法、装置、电子设备及介质 |
Family Cites Families (39)
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US5706395A (en) * | 1995-04-19 | 1998-01-06 | Texas Instruments Incorporated | Adaptive weiner filtering using a dynamic suppression factor |
US6088668A (en) * | 1998-06-22 | 2000-07-11 | D.S.P.C. Technologies Ltd. | Noise suppressor having weighted gain smoothing |
US6289309B1 (en) * | 1998-12-16 | 2001-09-11 | Sarnoff Corporation | Noise spectrum tracking for speech enhancement |
US6625448B1 (en) * | 1999-11-02 | 2003-09-23 | Ericsson Inc. | Acoustic testing system and method for communications devices |
FI19992453A (fi) * | 1999-11-15 | 2001-05-16 | Nokia Mobile Phones Ltd | Kohinanvaimennus |
US6529868B1 (en) * | 2000-03-28 | 2003-03-04 | Tellabs Operations, Inc. | Communication system noise cancellation power signal calculation techniques |
US7117145B1 (en) * | 2000-10-19 | 2006-10-03 | Lear Corporation | Adaptive filter for speech enhancement in a noisy environment |
FR2820227B1 (fr) * | 2001-01-30 | 2003-04-18 | France Telecom | Procede et dispositif de reduction de bruit |
US7206418B2 (en) * | 2001-02-12 | 2007-04-17 | Fortemedia, Inc. | Noise suppression for a wireless communication device |
JP3457293B2 (ja) * | 2001-06-06 | 2003-10-14 | 三菱電機株式会社 | 雑音抑圧装置及び雑音抑圧方法 |
US6944590B2 (en) * | 2002-04-05 | 2005-09-13 | Microsoft Corporation | Method of iterative noise estimation in a recursive framework |
EP1376997A1 (de) | 2002-06-24 | 2004-01-02 | Alcatel | Verfahren zum Testen und Anpassen der Audioeinheitsparameter für ein Telekommunikationssystem |
US7593851B2 (en) * | 2003-03-21 | 2009-09-22 | Intel Corporation | Precision piecewise polynomial approximation for Ephraim-Malah filter |
US7224810B2 (en) * | 2003-09-12 | 2007-05-29 | Spatializer Audio Laboratories, Inc. | Noise reduction system |
US7492889B2 (en) * | 2004-04-23 | 2009-02-17 | Acoustic Technologies, Inc. | Noise suppression based on bark band wiener filtering and modified doblinger noise estimate |
US7454332B2 (en) * | 2004-06-15 | 2008-11-18 | Microsoft Corporation | Gain constrained noise suppression |
JP4767166B2 (ja) * | 2004-06-16 | 2011-09-07 | パナソニック株式会社 | ハウリング抑圧装置、プログラム、集積回路、およびハウリング抑圧方法 |
JPWO2005124739A1 (ja) * | 2004-06-18 | 2008-04-17 | 松下電器産業株式会社 | 雑音抑圧装置および雑音抑圧方法 |
JP4423300B2 (ja) * | 2004-10-28 | 2010-03-03 | 富士通株式会社 | 雑音抑圧装置 |
US20060111154A1 (en) * | 2004-11-23 | 2006-05-25 | Tran Thanh T | Apparatus and method for a full-duplex speakerphone using a digital automobile radio and a cellular phone |
JP4283212B2 (ja) * | 2004-12-10 | 2009-06-24 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 雑音除去装置、雑音除去プログラム、及び雑音除去方法 |
KR100657948B1 (ko) * | 2005-02-03 | 2006-12-14 | 삼성전자주식회사 | 음성향상장치 및 방법 |
CN100580775C (zh) * | 2005-04-21 | 2010-01-13 | Srs实验室有限公司 | 用于减小音频噪声的***和方法 |
GB2426166B (en) * | 2005-05-09 | 2007-10-17 | Toshiba Res Europ Ltd | Voice activity detection apparatus and method |
GB2426167B (en) * | 2005-05-09 | 2007-10-03 | Toshiba Res Europ Ltd | Noise estimation method |
US20070033030A1 (en) * | 2005-07-19 | 2007-02-08 | Oded Gottesman | Techniques for measurement, adaptation, and setup of an audio communication system |
JP4765461B2 (ja) * | 2005-07-27 | 2011-09-07 | 日本電気株式会社 | 雑音抑圧システムと方法及びプログラム |
DK1760696T3 (en) * | 2005-09-03 | 2016-05-02 | Gn Resound As | Method and apparatus for improved estimation of non-stationary noise to highlight speech |
US8744844B2 (en) * | 2007-07-06 | 2014-06-03 | Audience, Inc. | System and method for adaptive intelligent noise suppression |
ATE498276T1 (de) | 2006-07-24 | 2011-02-15 | Harman Becker Automotive Sys | System und verfahren zum kalibrieren einer freisprechanlage |
US8275611B2 (en) * | 2007-01-18 | 2012-09-25 | Stmicroelectronics Asia Pacific Pte., Ltd. | Adaptive noise suppression for digital speech signals |
DE102007030209A1 (de) * | 2007-06-27 | 2009-01-08 | Siemens Audiologische Technik Gmbh | Glättungsverfahren |
JP2009048676A (ja) * | 2007-08-14 | 2009-03-05 | Toshiba Corp | 再生装置および方法 |
JP4469882B2 (ja) * | 2007-08-16 | 2010-06-02 | 株式会社東芝 | 音響信号処理方法及び装置 |
US8374854B2 (en) * | 2008-03-28 | 2013-02-12 | Southern Methodist University | Spatio-temporal speech enhancement technique based on generalized eigenvalue decomposition |
US9142221B2 (en) * | 2008-04-07 | 2015-09-22 | Cambridge Silicon Radio Limited | Noise reduction |
EP2209117A1 (de) * | 2009-01-14 | 2010-07-21 | Siemens Medical Instruments Pte. Ltd. | Verfahren zum Bestimmen von unbeeinflussten Signalamplitudenschätzungen nach einer Cepstralvarianzänderung |
KR101253102B1 (ko) * | 2009-09-30 | 2013-04-10 | 한국전자통신연구원 | 음성인식을 위한 모델기반 왜곡 보상형 잡음 제거 장치 및 방법 |
US20110125494A1 (en) * | 2009-11-23 | 2011-05-26 | Cambridge Silicon Radio Limited | Speech Intelligibility |
-
2007
- 2007-08-31 DE DE602007004217T patent/DE602007004217D1/de active Active
- 2007-08-31 AT AT07017134T patent/ATE454696T1/de not_active IP Right Cessation
- 2007-08-31 EP EP07017134A patent/EP2031583B1/de not_active Not-in-force
-
2008
- 2008-08-29 US US12/202,147 patent/US8364479B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2031583B1 (de) | 2010-01-06 |
EP2031583A1 (de) | 2009-03-04 |
US20090063143A1 (en) | 2009-03-05 |
US8364479B2 (en) | 2013-01-29 |
DE602007004217D1 (de) | 2010-02-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |