DE60031354D1 - Geräuschunterdrückung vor der Sprachkodierung - Google Patents
Geräuschunterdrückung vor der SprachkodierungInfo
- Publication number
- DE60031354D1 DE60031354D1 DE60031354T DE60031354T DE60031354D1 DE 60031354 D1 DE60031354 D1 DE 60031354D1 DE 60031354 T DE60031354 T DE 60031354T DE 60031354 T DE60031354 T DE 60031354T DE 60031354 D1 DE60031354 D1 DE 60031354D1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- estimator
- noise
- filter
- paths
- 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 - Lifetime
Links
- 238000001914 filtration Methods 0.000 abstract 3
- 230000001629 suppression Effects 0.000 abstract 3
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
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
-
- 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
- G10L2021/02165—Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Computational Linguistics (AREA)
- Physics & Mathematics (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Noise Elimination (AREA)
- Circuit For Audible Band Transducer (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US452623 | 1989-12-19 | ||
US09/452,623 US6473733B1 (en) | 1999-12-01 | 1999-12-01 | Signal enhancement for voice coding |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60031354D1 true DE60031354D1 (de) | 2006-11-30 |
DE60031354T2 DE60031354T2 (de) | 2007-08-23 |
Family
ID=23797227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60031354T Expired - Lifetime DE60031354T2 (de) | 1999-12-01 | 2000-11-30 | Geräuschunterdrückung vor der Sprachkodierung |
Country Status (5)
Country | Link |
---|---|
US (3) | US6473733B1 (de) |
EP (1) | EP1107235B1 (de) |
AT (1) | ATE343200T1 (de) |
CA (1) | CA2326879C (de) |
DE (1) | DE60031354T2 (de) |
Families Citing this family (92)
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US6489950B1 (en) | 1998-06-26 | 2002-12-03 | Research In Motion Limited | Hand-held electronic device with auxiliary input device |
US7705828B2 (en) * | 1998-06-26 | 2010-04-27 | Research In Motion Limited | Dual-mode mobile communication device |
US6278442B1 (en) * | 1998-06-26 | 2001-08-21 | Research In Motion Limited | Hand-held electronic device with a keyboard optimized for use with the thumbs |
US6919879B2 (en) * | 1998-06-26 | 2005-07-19 | Research In Motion Limited | Hand-held electronic device with a keyboard optimized for use with the thumbs |
DE19934296C2 (de) * | 1999-07-21 | 2002-01-24 | Infineon Technologies Ag | Prüfanordnung und Verfahren zum Testen eines digitalen elektronischen Filters |
US6473733B1 (en) * | 1999-12-01 | 2002-10-29 | Research In Motion Limited | Signal enhancement for voice coding |
US8280072B2 (en) | 2003-03-27 | 2012-10-02 | Aliphcom, Inc. | Microphone array with rear venting |
US8019091B2 (en) | 2000-07-19 | 2011-09-13 | Aliphcom, Inc. | Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression |
US7006636B2 (en) * | 2002-05-24 | 2006-02-28 | Agere Systems Inc. | Coherence-based audio coding and synthesis |
US7158933B2 (en) * | 2001-05-11 | 2007-01-02 | Siemens Corporate Research, Inc. | Multi-channel speech enhancement system and method based on psychoacoustic masking effects |
US20030033143A1 (en) * | 2001-08-13 | 2003-02-13 | Hagai Aronowitz | Decreasing noise sensitivity in speech processing under adverse conditions |
US6842169B2 (en) | 2001-10-19 | 2005-01-11 | Research In Motion Limited | Hand-held electronic device with multiple input mode thumbwheel |
RU2318237C2 (ru) | 2001-12-21 | 2008-02-27 | Рисерч Ин Моушен Лимитед | Переносное электронное устройство с клавиатурой |
US7083342B2 (en) | 2001-12-21 | 2006-08-01 | Griffin Jason T | Keyboard arrangement |
USD479233S1 (en) | 2002-01-08 | 2003-09-02 | Research In Motion Limited | Handheld electronic device |
EP1466321A2 (de) * | 2002-01-09 | 2004-10-13 | Koninklijke Philips Electronics N.V. | System zur verbesserung eines audiosignals mit einem vom leistungsspektraldichteverhältnis abhängigen prozessor |
US7567845B1 (en) * | 2002-06-04 | 2009-07-28 | Creative Technology Ltd | Ambience generation for stereo signals |
US6823176B2 (en) * | 2002-09-23 | 2004-11-23 | Sony Ericsson Mobile Communications Ab | Audio artifact noise masking |
US9066186B2 (en) | 2003-01-30 | 2015-06-23 | Aliphcom | Light-based detection for acoustic applications |
US9099094B2 (en) | 2003-03-27 | 2015-08-04 | Aliphcom | Microphone array with rear venting |
US20060184361A1 (en) * | 2003-04-08 | 2006-08-17 | Markus Lieb | Method and apparatus for reducing an interference noise signal fraction in a microphone signal |
KR100506224B1 (ko) * | 2003-05-07 | 2005-08-05 | 삼성전자주식회사 | 이동 통신 단말기에서 노이즈 제어장치 및 방법 |
GB2401744B (en) * | 2003-05-14 | 2006-02-15 | Ultra Electronics Ltd | An adaptive control unit with feedback compensation |
CN1875403B (zh) * | 2003-09-02 | 2012-11-28 | 日本电气株式会社 | 信号处理方法和装置 |
US7970144B1 (en) | 2003-12-17 | 2011-06-28 | Creative Technology Ltd | Extracting and modifying a panned source for enhancement and upmix of audio signals |
US7412380B1 (en) * | 2003-12-17 | 2008-08-12 | Creative Technology Ltd. | Ambience extraction and modification for enhancement and upmix of audio signals |
GB2402650B (en) | 2003-12-31 | 2006-05-10 | Research In Motion Ltd | Keyboard arrangement |
US8219158B2 (en) | 2004-06-21 | 2012-07-10 | Research In Motion Limited | Handheld wireless communication device |
US8463315B2 (en) | 2004-06-21 | 2013-06-11 | Research In Motion Limited | Handheld wireless communication device |
US8064946B2 (en) | 2004-06-21 | 2011-11-22 | Research In Motion Limited | Handheld wireless communication device |
US7986301B2 (en) | 2004-06-21 | 2011-07-26 | Research In Motion Limited | Handheld wireless communication device |
US20070192711A1 (en) | 2006-02-13 | 2007-08-16 | Research In Motion Limited | Method and arrangement for providing a primary actions menu on a handheld communication device |
US8271036B2 (en) | 2004-06-21 | 2012-09-18 | Research In Motion Limited | Handheld wireless communication device |
US7439959B2 (en) | 2004-07-30 | 2008-10-21 | Research In Motion Limited | Key arrangement for a keyboard |
US7328047B2 (en) * | 2004-08-31 | 2008-02-05 | Research In Motion Limited | Mobile wireless communications device with reduced interfering energy from the display and related methods |
US7444174B2 (en) | 2004-08-31 | 2008-10-28 | Research In Motion Limited | Mobile wireless communications device with reduced interfering energy into audio circuit and related methods |
US7243851B2 (en) * | 2004-08-31 | 2007-07-17 | Research In Motion Limited | Mobile wireless communications device with reduced interfering energy from the keyboard |
US7363063B2 (en) * | 2004-08-31 | 2008-04-22 | Research In Motion Limited | Mobile wireless communications device with reduced interference from the keyboard into the radio receiver |
US7398072B2 (en) | 2004-08-31 | 2008-07-08 | Research In Motion Limited | Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry |
JP2006100869A (ja) * | 2004-09-28 | 2006-04-13 | Sony Corp | 音声信号処理装置および音声信号処理方法 |
US7983720B2 (en) * | 2004-12-22 | 2011-07-19 | Broadcom Corporation | Wireless telephone with adaptive microphone array |
US8509703B2 (en) * | 2004-12-22 | 2013-08-13 | Broadcom Corporation | Wireless telephone with multiple microphones and multiple description transmission |
US20070116300A1 (en) * | 2004-12-22 | 2007-05-24 | Broadcom Corporation | Channel decoding for wireless telephones with multiple microphones and multiple description transmission |
US20060133621A1 (en) * | 2004-12-22 | 2006-06-22 | Broadcom Corporation | Wireless telephone having multiple microphones |
US7483727B2 (en) * | 2005-04-04 | 2009-01-27 | Research In Motion Limited | Mobile wireless communications device having improved antenna impedance match and antenna gain from RF energy |
US7353041B2 (en) | 2005-04-04 | 2008-04-01 | Reseach In Motion Limited | Mobile wireless communications device having improved RF immunity of audio transducers to electromagnetic interference (EMI) |
GB2426168B (en) * | 2005-05-09 | 2008-08-27 | Sony Comp Entertainment Europe | Audio processing |
US7616973B2 (en) * | 2006-01-30 | 2009-11-10 | Research In Motion Limited | Portable audio device having reduced sensitivity to RF interference and related methods |
US7770118B2 (en) * | 2006-02-13 | 2010-08-03 | Research In Motion Limited | Navigation tool with audible feedback on a handheld communication device having a full alphabetic keyboard |
US8537117B2 (en) | 2006-02-13 | 2013-09-17 | Blackberry Limited | Handheld wireless communication device that selectively generates a menu in response to received commands |
US20070211840A1 (en) | 2006-02-17 | 2007-09-13 | International Business Machines Corporation | Methods and apparatus for analyzing transmission lines with decoupling of connectors and other circuit elements |
US20070238490A1 (en) * | 2006-04-11 | 2007-10-11 | Avnera Corporation | Wireless multi-microphone system for voice communication |
US8045927B2 (en) * | 2006-04-27 | 2011-10-25 | Nokia Corporation | Signal detection in multicarrier communication system |
US7310067B1 (en) | 2006-05-23 | 2007-12-18 | Research In Motion Limited | Mobile wireless communications device with reduced interfering RF energy into RF metal shield secured on circuit board |
US8949120B1 (en) * | 2006-05-25 | 2015-02-03 | Audience, Inc. | Adaptive noise cancelation |
US7672407B2 (en) * | 2006-06-27 | 2010-03-02 | Intel Corporation | Mitigation of interference from periodic noise |
US10811026B2 (en) * | 2006-07-03 | 2020-10-20 | Nec Corporation | Noise suppression method, device, and program |
KR100835993B1 (ko) | 2006-11-30 | 2008-06-09 | 한국전자통신연구원 | 마스킹 확률을 이용한 음성 인식 전처리 방법 및 전처리장치 |
US7616936B2 (en) * | 2006-12-14 | 2009-11-10 | Cisco Technology, Inc. | Push-to-talk system with enhanced noise reduction |
US8837746B2 (en) * | 2007-06-13 | 2014-09-16 | Aliphcom | Dual omnidirectional microphone array (DOMA) |
JP4455614B2 (ja) * | 2007-06-13 | 2010-04-21 | 株式会社東芝 | 音響信号処理方法及び装置 |
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 |
KR101048438B1 (ko) * | 2007-09-13 | 2011-07-11 | 삼성전자주식회사 | 무선통신시스템에서 신호대 간섭 및 잡음 비 추정 장치 및방법 |
US8428661B2 (en) * | 2007-10-30 | 2013-04-23 | Broadcom Corporation | Speech intelligibility in telephones with multiple microphones |
US8121311B2 (en) * | 2007-11-05 | 2012-02-21 | Qnx Software Systems Co. | Mixer with adaptive post-filtering |
US8296136B2 (en) * | 2007-11-15 | 2012-10-23 | Qnx Software Systems Limited | Dynamic controller for improving speech intelligibility |
GB0725113D0 (en) * | 2007-12-21 | 2008-01-30 | Wolfson Microelectronics Plc | SNR dependent gain |
US8099064B2 (en) * | 2008-05-08 | 2012-01-17 | Research In Motion Limited | Mobile wireless communications device with reduced harmonics resulting from metal shield coupling |
KR101475864B1 (ko) * | 2008-11-13 | 2014-12-23 | 삼성전자 주식회사 | 잡음 제거 장치 및 잡음 제거 방법 |
GB2466668A (en) * | 2009-01-06 | 2010-07-07 | Skype Ltd | Speech filtering |
ES2526126T3 (es) * | 2009-08-14 | 2015-01-07 | Koninklijke Kpn N.V. | Método, producto de programa informático y sistema para determinar una calidad percibida de un sistema de audio |
KR101581885B1 (ko) * | 2009-08-26 | 2016-01-04 | 삼성전자주식회사 | 복소 스펙트럼 잡음 제거 장치 및 방법 |
US20110257978A1 (en) * | 2009-10-23 | 2011-10-20 | Brainlike, Inc. | Time Series Filtering, Data Reduction and Voice Recognition in Communication Device |
US8718290B2 (en) | 2010-01-26 | 2014-05-06 | Audience, Inc. | Adaptive noise reduction using level cues |
US8473287B2 (en) | 2010-04-19 | 2013-06-25 | Audience, Inc. | Method for jointly optimizing noise reduction and voice quality in a mono or multi-microphone system |
EP2395506B1 (de) * | 2010-06-09 | 2012-08-22 | Siemens Medical Instruments Pte. Ltd. | Verfahren und Schallsignalverarbeitungssystem zur Unterdrückung von Interferenzen und Rauschen in binauralen Mikrofonkonfigurationen |
KR101791444B1 (ko) * | 2010-11-29 | 2017-10-30 | 뉘앙스 커뮤니케이션즈, 인코포레이티드 | 동적 마이크로폰 신호 믹서 |
JP5486694B2 (ja) * | 2010-12-21 | 2014-05-07 | 日本電信電話株式会社 | 音声強調方法、装置、プログラム、記録媒体 |
EP2673956B1 (de) | 2011-02-10 | 2019-04-24 | Dolby Laboratories Licensing Corporation | System und verfahren zur winddetektion und unterdrückung |
US20130051590A1 (en) * | 2011-08-31 | 2013-02-28 | Patrick Slater | Hearing Enhancement and Protective Device |
US8712076B2 (en) | 2012-02-08 | 2014-04-29 | Dolby Laboratories Licensing Corporation | Post-processing including median filtering of noise suppression gains |
US9173025B2 (en) | 2012-02-08 | 2015-10-27 | Dolby Laboratories Licensing Corporation | Combined suppression of noise, echo, and out-of-location signals |
US9111542B1 (en) * | 2012-03-26 | 2015-08-18 | Amazon Technologies, Inc. | Audio signal transmission techniques |
US9640194B1 (en) | 2012-10-04 | 2017-05-02 | Knowles Electronics, Llc | Noise suppression for speech processing based on machine-learning mask estimation |
US9536540B2 (en) | 2013-07-19 | 2017-01-03 | Knowles Electronics, Llc | Speech signal separation and synthesis based on auditory scene analysis and speech modeling |
US10536773B2 (en) | 2013-10-30 | 2020-01-14 | Cerence Operating Company | Methods and apparatus for selective microphone signal combining |
CN106797512B (zh) | 2014-08-28 | 2019-10-25 | 美商楼氏电子有限公司 | 多源噪声抑制的方法、系统和非瞬时计算机可读存储介质 |
US9378753B2 (en) * | 2014-10-31 | 2016-06-28 | At&T Intellectual Property I, L.P | Self-organized acoustic signal cancellation over a network |
US10186276B2 (en) | 2015-09-25 | 2019-01-22 | Qualcomm Incorporated | Adaptive noise suppression for super wideband music |
EP3163903B1 (de) * | 2015-10-26 | 2019-06-19 | Nxp B.V. | Akustischer prozessor für eine mobile vorrichtung |
US10720961B2 (en) * | 2018-04-03 | 2020-07-21 | Cisco Technology, Inc. | Digital echo cancellation with single feedback |
US11875769B2 (en) * | 2019-07-31 | 2024-01-16 | Kelvin Ka Fai CHAN | Baby monitor system with noise filtering and method thereof |
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ATE358872T1 (de) * | 1999-01-07 | 2007-04-15 | Tellabs Operations Inc | Verfahren und vorrichtung zur adaptiven rauschunterdrückung |
FI116643B (fi) * | 1999-11-15 | 2006-01-13 | Nokia Corp | Kohinan vaimennus |
US6473733B1 (en) * | 1999-12-01 | 2002-10-29 | Research In Motion Limited | Signal enhancement for voice coding |
-
1999
- 1999-12-01 US US09/452,623 patent/US6473733B1/en not_active Expired - Lifetime
-
2000
- 2000-11-24 CA CA002326879A patent/CA2326879C/en not_active Expired - Lifetime
- 2000-11-30 AT AT00126186T patent/ATE343200T1/de not_active IP Right Cessation
- 2000-11-30 DE DE60031354T patent/DE60031354T2/de not_active Expired - Lifetime
- 2000-11-30 EP EP00126186A patent/EP1107235B1/de not_active Expired - Lifetime
-
2002
- 2002-08-19 US US10/223,409 patent/US6647367B2/en not_active Expired - Lifetime
-
2003
- 2003-07-16 US US10/620,551 patent/US7174291B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20040015348A1 (en) | 2004-01-22 |
US7174291B2 (en) | 2007-02-06 |
EP1107235B1 (de) | 2006-10-18 |
CA2326879C (en) | 2006-05-30 |
EP1107235A2 (de) | 2001-06-13 |
US6473733B1 (en) | 2002-10-29 |
US20030028372A1 (en) | 2003-02-06 |
CA2326879A1 (en) | 2001-06-01 |
ATE343200T1 (de) | 2006-11-15 |
EP1107235A3 (de) | 2002-09-18 |
US6647367B2 (en) | 2003-11-11 |
DE60031354T2 (de) | 2007-08-23 |
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