JP2013525843A - 単一又は複数のマイクを備えるシステムにおける雑音低減と音声品質を共に最適化する方法 - Google Patents

単一又は複数のマイクを備えるシステムにおける雑音低減と音声品質を共に最適化する方法 Download PDF

Info

Publication number
JP2013525843A
JP2013525843A JP2013506188A JP2013506188A JP2013525843A JP 2013525843 A JP2013525843 A JP 2013525843A JP 2013506188 A JP2013506188 A JP 2013506188A JP 2013506188 A JP2013506188 A JP 2013506188A JP 2013525843 A JP2013525843 A JP 2013525843A
Authority
JP
Japan
Prior art keywords
noise
signal
value
subband
subband signal
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.)
Pending
Application number
JP2013506188A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013525843A5 (https=
Inventor
エヴリ，マーク
アヴェンダノ，カーロス
Original Assignee
オーディエンス，インコーポレイテッド
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 オーディエンス，インコーポレイテッド filed Critical オーディエンス，インコーポレイテッド
Publication of JP2013525843A publication Critical patent/JP2013525843A/ja
Publication of JP2013525843A5 publication Critical patent/JP2013525843A5/ja
Pending legal-status Critical Current

Links

Images

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
    • G10L21/0232—Processing in the frequency domain
    • 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • 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
    • G10L2021/02087—Noise filtering the noise being separate speech, e.g. cocktail party

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP2013506188A 2010-04-19 2011-04-14 単一又は複数のマイクを備えるシステムにおける雑音低減と音声品質を共に最適化する方法 Pending JP2013525843A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US32576410P 2010-04-19 2010-04-19
US61/325,764 2010-04-19
US12/832,901 2010-07-08
US12/832,901 US8473287B2 (en) 2010-04-19 2010-07-08 Method for jointly optimizing noise reduction and voice quality in a mono or multi-microphone system
PCT/US2011/032578 WO2011133405A1 (en) 2010-04-19 2011-04-14 Method for jointly optimizing noise reduction and voice quality in a mono or multi-microphone system

Publications (2)

Publication Number Publication Date
JP2013525843A true JP2013525843A (ja) 2013-06-20
JP2013525843A5 JP2013525843A5 (https=) 2014-05-22

Family

ID=44788878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013506188A Pending JP2013525843A (ja) 2010-04-19 2011-04-14 単一又は複数のマイクを備えるシステムにおける雑音低減と音声品質を共に最適化する方法

Country Status (6)

Country Link
US (4) US8473287B2 (https=)
JP (1) JP2013525843A (https=)
KR (1) KR20130061673A (https=)
FI (1) FI20126083L (https=)
TW (1) TW201207845A (https=)
WO (1) WO2011133405A1 (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9437180B2 (en) 2010-01-26 2016-09-06 Knowles Electronics, Llc Adaptive noise reduction using level cues
US9502048B2 (en) 2010-04-19 2016-11-22 Knowles Electronics, Llc Adaptively reducing noise to limit speech distortion
US9830899B1 (en) 2006-05-25 2017-11-28 Knowles Electronics, Llc Adaptive noise cancellation
JP2019537074A (ja) * 2016-10-18 2019-12-19 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン オーディオ信号を処理するための装置および方法

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110125497A1 (en) * 2009-11-20 2011-05-26 Takahiro Unno Method and System for Voice Activity Detection
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
US8538035B2 (en) 2010-04-29 2013-09-17 Audience, Inc. Multi-microphone robust noise suppression
US8798290B1 (en) 2010-04-21 2014-08-05 Audience, Inc. Systems and methods for adaptive signal equalization
US8781137B1 (en) 2010-04-27 2014-07-15 Audience, Inc. Wind noise detection and suppression
US8798992B2 (en) * 2010-05-19 2014-08-05 Disney Enterprises, Inc. Audio noise modification for event broadcasting
US9558755B1 (en) 2010-05-20 2017-01-31 Knowles Electronics, Llc Noise suppression assisted automatic speech recognition
US8447596B2 (en) 2010-07-12 2013-05-21 Audience, Inc. Monaural noise suppression based on computational auditory scene analysis
US8768406B2 (en) * 2010-08-11 2014-07-01 Bone Tone Communications Ltd. Background sound removal for privacy and personalization use
US10353495B2 (en) 2010-08-20 2019-07-16 Knowles Electronics, Llc Personalized operation of a mobile device using sensor signatures
US9772815B1 (en) 2013-11-14 2017-09-26 Knowles Electronics, Llc Personalized operation of a mobile device using acoustic and non-acoustic information
EP2686846A4 (en) * 2011-03-18 2015-04-22 Nokia Corp DEVICE FOR AUDIO SIGNAL PROCESSING
US8972251B2 (en) * 2011-06-07 2015-03-03 Qualcomm Incorporated Generating a masking signal on an electronic device
EP2590165B1 (en) 2011-11-07 2015-04-29 Dietmar Ruwisch Method and apparatus for generating a noise reduced audio signal
US20130282373A1 (en) * 2012-04-23 2013-10-24 Qualcomm Incorporated Systems and methods for audio signal processing
US9159964B2 (en) 2012-09-25 2015-10-13 Front Edge Technology, Inc. Solid state battery having mismatched battery cells
US9640194B1 (en) 2012-10-04 2017-05-02 Knowles Electronics, Llc Noise suppression for speech processing based on machine-learning mask estimation
US9424859B2 (en) * 2012-11-21 2016-08-23 Harman International Industries Canada Ltd. System to control audio effect parameters of vocal signals
US9330677B2 (en) 2013-01-07 2016-05-03 Dietmar Ruwisch Method and apparatus for generating a noise reduced audio signal using a microphone array
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
CN104347067B (zh) 2013-08-06 2017-04-12 华为技术有限公司 一种音频信号分类方法和装置
US9508345B1 (en) 2013-09-24 2016-11-29 Knowles Electronics, Llc Continuous voice sensing
US9781106B1 (en) 2013-11-20 2017-10-03 Knowles Electronics, Llc Method for modeling user possession of mobile device for user authentication framework
US9953634B1 (en) 2013-12-17 2018-04-24 Knowles Electronics, Llc Passive training for automatic speech recognition
JP6337519B2 (ja) * 2014-03-03 2018-06-06 富士通株式会社 音声処理装置、雑音抑圧方法、およびプログラム
US9437188B1 (en) 2014-03-28 2016-09-06 Knowles Electronics, Llc Buffered reprocessing for multi-microphone automatic speech recognition assist
US9500739B2 (en) 2014-03-28 2016-11-22 Knowles Electronics, Llc Estimating and tracking multiple attributes of multiple objects from multi-sensor data
US10446168B2 (en) * 2014-04-02 2019-10-15 Plantronics, Inc. Noise level measurement with mobile devices, location services, and environmental response
US9807725B1 (en) 2014-04-10 2017-10-31 Knowles Electronics, Llc Determining a spatial relationship between different user contexts
AU2015246661A1 (en) * 2014-04-17 2016-12-01 Cirrus Logic International Semiconductor Limited Retaining binaural cues when mixing microphone signals
WO2016033364A1 (en) 2014-08-28 2016-03-03 Audience, Inc. Multi-sourced noise suppression
DE112015004185T5 (de) 2014-09-12 2017-06-01 Knowles Electronics, Llc Systeme und Verfahren zur Wiederherstellung von Sprachkomponenten
US9712915B2 (en) 2014-11-25 2017-07-18 Knowles Electronics, Llc Reference microphone for non-linear and time variant echo cancellation
DE102015201073A1 (de) 2015-01-22 2016-07-28 Sivantos Pte. Ltd. Verfahren und Vorrichtung zur Rauschunterdrückung basierend auf Inter-Subband-Korrelation
WO2016123560A1 (en) 2015-01-30 2016-08-04 Knowles Electronics, Llc Contextual switching of microphones
US9401158B1 (en) 2015-09-14 2016-07-26 Knowles Electronics, Llc Microphone signal fusion
US10297269B2 (en) 2015-09-24 2019-05-21 Dolby Laboratories Licensing Corporation Automatic calculation of gains for mixing narration into pre-recorded content
US10403259B2 (en) 2015-12-04 2019-09-03 Knowles Electronics, Llc Multi-microphone feedforward active noise cancellation
US9779716B2 (en) 2015-12-30 2017-10-03 Knowles Electronics, Llc Occlusion reduction and active noise reduction based on seal quality
US9830930B2 (en) 2015-12-30 2017-11-28 Knowles Electronics, Llc Voice-enhanced awareness mode
US20170195811A1 (en) 2015-12-30 2017-07-06 Knowles Electronics Llc Audio Monitoring and Adaptation Using Headset Microphones Inside User's Ear Canal
WO2017127646A1 (en) 2016-01-22 2017-07-27 Knowles Electronics, Llc Shared secret voice authentication
US9812149B2 (en) 2016-01-28 2017-11-07 Knowles Electronics, Llc Methods and systems for providing consistency in noise reduction during speech and non-speech periods
US10157629B2 (en) * 2016-02-05 2018-12-18 Brainchip Inc. Low power neuromorphic voice activation system and method
US10923132B2 (en) 2016-02-19 2021-02-16 Dolby Laboratories Licensing Corporation Diffusivity based sound processing method and apparatus
US9820042B1 (en) 2016-05-02 2017-11-14 Knowles Electronics, Llc Stereo separation and directional suppression with omni-directional microphones
US10249305B2 (en) * 2016-05-19 2019-04-02 Microsoft Technology Licensing, Llc Permutation invariant training for talker-independent multi-talker speech separation
FR3056813B1 (fr) * 2016-09-29 2019-11-08 Dolphin Integration Circuit audio et procede de detection d'activite
WO2018148095A1 (en) 2017-02-13 2018-08-16 Knowles Electronics, Llc Soft-talk audio capture for mobile devices
US10224053B2 (en) * 2017-03-24 2019-03-05 Hyundai Motor Company Audio signal quality enhancement based on quantitative SNR analysis and adaptive Wiener filtering
EP3428918B1 (en) * 2017-07-11 2020-02-12 Harman Becker Automotive Systems GmbH Pop noise control
US11263522B2 (en) 2017-09-08 2022-03-01 Analog Devices, Inc. Analog switched-capacitor neural network
US10096311B1 (en) 2017-09-12 2018-10-09 Plantronics, Inc. Intelligent soundscape adaptation utilizing mobile devices
US20190090052A1 (en) 2017-09-20 2019-03-21 Knowles Electronics, Llc Cost effective microphone array design for spatial filtering
US10339949B1 (en) 2017-12-19 2019-07-02 Apple Inc. Multi-channel speech enhancement
US10957337B2 (en) 2018-04-11 2021-03-23 Microsoft Technology Licensing, Llc Multi-microphone speech separation
CN109003622B (zh) * 2018-09-11 2021-06-04 广州小鹏汽车科技有限公司 降噪处理方法、装置、收音机及交通工具
CN110517679B (zh) * 2018-11-15 2022-03-08 腾讯科技（深圳）有限公司 一种人工智能的音频数据处理方法及装置、存储介质
US10771887B2 (en) * 2018-12-21 2020-09-08 Cisco Technology, Inc. Anisotropic background audio signal control
US11170799B2 (en) * 2019-02-13 2021-11-09 Harman International Industries, Incorporated Nonlinear noise reduction system
US10964314B2 (en) * 2019-03-22 2021-03-30 Cirrus Logic, Inc. System and method for optimized noise reduction in the presence of speech distortion using adaptive microphone array
EP3764358B1 (en) 2019-07-10 2024-05-22 Analog Devices International Unlimited Company Signal processing methods and systems for beam forming with wind buffeting protection
EP3764660B1 (en) 2019-07-10 2023-08-30 Analog Devices International Unlimited Company Signal processing methods and systems for adaptive beam forming
EP3764664B1 (en) 2019-07-10 2025-02-12 Analog Devices International Unlimited Company Signal processing methods and systems for beam forming with microphone tolerance compensation
EP3764360B1 (en) 2019-07-10 2024-05-01 Analog Devices International Unlimited Company Signal processing methods and systems for beam forming with improved signal to noise ratio
EP3764359B1 (en) 2019-07-10 2024-08-28 Analog Devices International Unlimited Company Signal processing methods and systems for multi-focus beam-forming
US11587575B2 (en) * 2019-10-11 2023-02-21 Plantronics, Inc. Hybrid noise suppression
US11238853B2 (en) 2019-10-30 2022-02-01 Comcast Cable Communications, Llc Keyword-based audio source localization
CN113038318B (zh) * 2019-12-25 2022-06-07 荣耀终端有限公司 一种语音信号处理方法及装置
TWI760676B (zh) * 2020-01-07 2022-04-11 瑞昱半導體股份有限公司 具有抗噪機制的音訊播放裝置及方法
KR102726759B1 (ko) 2020-02-10 2024-11-06 삼성전자 주식회사 음질 개선 방법 및 이를 이용한 전자 장치
US20230267947A1 (en) * 2020-07-31 2023-08-24 Dolby Laboratories Licensing Corporation Noise reduction using machine learning
US11053017B1 (en) * 2020-08-20 2021-07-06 Kitty Hawk Corporation Rotor noise reduction using signal processing
CN112289333B (zh) * 2020-12-25 2021-04-13 北京达佳互联信息技术有限公司 语音增强模型的训练方法和装置及语音增强方法和装置
US12112741B2 (en) * 2021-02-18 2024-10-08 Microsoft Technology Licensing, Llc System and method for data augmentation and speech processing in dynamic acoustic environments
CN113409813B (zh) * 2021-05-26 2023-06-06 北京捷通华声科技股份有限公司 语音分离方法及装置
US12028684B2 (en) 2021-07-30 2024-07-02 Starkey Laboratories, Inc. Spatially differentiated noise reduction for hearing devices
CN114420152B (zh) * 2021-12-08 2025-07-08 深圳市东微智能科技股份有限公司 声音频带调整方法、装置、设备及存储介质
US12579984B2 (en) * 2022-01-20 2026-03-17 Microsoft Technology Licensing, Llc. Data augmentation system and method for multi-microphone systems
US20230230581A1 (en) * 2022-01-20 2023-07-20 Nuance Communications, Inc. Data augmentation system and method for multi-microphone systems
US12243514B2 (en) * 2022-01-20 2025-03-04 Microsoft Technology Licensing, Llc Data augmentation system and method for multi-microphone systems
US12456456B2 (en) 2022-01-20 2025-10-28 Microsoft Technology Licensing, Llc Data augmentation system and method for multi-microphone systems
CN118843905A (zh) * 2022-03-23 2024-10-25 三菱电机株式会社 噪声去除装置和方法
WO2025215471A1 (en) * 2024-04-09 2025-10-16 Cochlear Limited Distortion reduction in noise cancellation systems

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003140700A (ja) * 2001-11-05 2003-05-16 Nec Corp ノイズ除去方法及び装置
JP2008065090A (ja) * 2006-09-07 2008-03-21 Toshiba Corp ノイズサプレス装置
US20090012783A1 (en) * 2007-07-06 2009-01-08 Audience, Inc. System and method for adaptive intelligent noise suppression
WO2010005493A1 (en) * 2008-06-30 2010-01-14 Audience, Inc. System and method for providing noise suppression utilizing null processing noise subtraction

Family Cites Families (318)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581122A (en) 1967-10-26 1971-05-25 Bell Telephone Labor Inc All-pass filter circuit having negative resistance shunting resonant circuit
US3989897A (en) 1974-10-25 1976-11-02 Carver R W Method and apparatus for reducing noise content in audio signals
US4630304A (en) 1985-07-01 1986-12-16 Motorola, Inc. Automatic background noise estimator for a noise suppression system
US4811404A (en) 1987-10-01 1989-03-07 Motorola, Inc. Noise suppression system
US4910779A (en) 1987-10-15 1990-03-20 Cooper Duane H Head diffraction compensated stereo system with optimal equalization
IL84948A0 (en) 1987-12-25 1988-06-30 D S P Group Israel Ltd Noise reduction system
US4991166A (en) 1988-10-28 1991-02-05 Shure Brothers Incorporated Echo reduction circuit
US5027306A (en) 1989-05-12 1991-06-25 Dattorro Jon C Decimation filter as for a sigma-delta analog-to-digital converter
US5050217A (en) 1990-02-16 1991-09-17 Akg Acoustics, Inc. Dynamic noise reduction and spectral restoration system
US5103229A (en) 1990-04-23 1992-04-07 General Electric Company Plural-order sigma-delta analog-to-digital converters using both single-bit and multiple-bit quantization
JPH0566795A (ja) 1991-09-06 1993-03-19 Gijutsu Kenkyu Kumiai Iryo Fukushi Kiki Kenkyusho 雑音抑圧装置とその調整装置
JP3279612B2 (ja) 1991-12-06 2002-04-30 ソニー株式会社 雑音低減装置
JP3176474B2 (ja) 1992-06-03 2001-06-18 沖電気工業株式会社 適応ノイズキャンセラ装置
JP2508574B2 (ja) 1992-11-10 1996-06-19 日本電気株式会社 多チャンネルエコ―除去装置
US5408235A (en) 1994-03-07 1995-04-18 Intel Corporation Second order Sigma-Delta based analog to digital converter having superior analog components and having a programmable comb filter coupled to the digital signal processor
US5544250A (en) 1994-07-18 1996-08-06 Motorola Noise suppression system and method therefor
JP3307138B2 (ja) 1995-02-27 2002-07-24 ソニー株式会社 信号符号化方法及び装置、並びに信号復号化方法及び装置
US5828997A (en) 1995-06-07 1998-10-27 Sensimetrics Corporation Content analyzer mixing inverse-direction-probability-weighted noise to input signal
US5809463A (en) 1995-09-15 1998-09-15 Hughes Electronics Method of detecting double talk in an echo canceller
US5687104A (en) 1995-11-17 1997-11-11 Motorola, Inc. Method and apparatus for generating decoupled filter parameters and implementing a band decoupled filter
FI100840B (fi) 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
US5819217A (en) 1995-12-21 1998-10-06 Nynex Science & Technology, Inc. Method and system for differentiating between speech and noise
US5937060A (en) 1996-02-09 1999-08-10 Texas Instruments Incorporated Residual echo suppression
US5774562A (en) 1996-03-25 1998-06-30 Nippon Telegraph And Telephone Corp. Method and apparatus for dereverberation
JP3325770B2 (ja) 1996-04-26 2002-09-17 三菱電機株式会社 ノイズ低減回路及びノイズ低減装置及びノイズ低減方法
US5701350A (en) 1996-06-03 1997-12-23 Digisonix, Inc. Active acoustic control in remote regions
US5825898A (en) 1996-06-27 1998-10-20 Lamar Signal Processing Ltd. System and method for adaptive interference cancelling
US5796819A (en) 1996-07-24 1998-08-18 Ericsson Inc. Echo canceller for non-linear circuits
US5806025A (en) 1996-08-07 1998-09-08 U S West, Inc. Method and system for adaptive filtering of speech signals using signal-to-noise ratio to choose subband filter bank
US5887032A (en) 1996-09-03 1999-03-23 Amati Communications Corp. Method and apparatus for crosstalk cancellation
JPH10124088A (ja) 1996-10-24 1998-05-15 Sony Corp 音声帯域幅拡張装置及び方法
US5963651A (en) 1997-01-16 1999-10-05 Digisonix, Inc. Adaptive acoustic attenuation system having distributed processing and shared state nodal architecture
JP3328532B2 (ja) 1997-01-22 2002-09-24 シャープ株式会社 デジタルデータの符号化方法
US5933495A (en) 1997-02-07 1999-08-03 Texas Instruments Incorporated Subband acoustic noise suppression
US6104993A (en) 1997-02-26 2000-08-15 Motorola, Inc. Apparatus and method for rate determination in a communication system
US6151397A (en) 1997-05-16 2000-11-21 Motorola, Inc. Method and system for reducing undesired signals in a communication environment
TW392416B (en) 1997-08-18 2000-06-01 Noise Cancellation Tech Noise cancellation system for active headsets
US6122384A (en) 1997-09-02 2000-09-19 Qualcomm Inc. Noise suppression system and method
JP4132154B2 (ja) 1997-10-23 2008-08-13 ソニー株式会社 音声合成方法及び装置、並びに帯域幅拡張方法及び装置
US6343267B1 (en) 1998-04-30 2002-01-29 Matsushita Electric Industrial Co., Ltd. Dimensionality reduction for speaker normalization and speaker and environment adaptation using eigenvoice techniques
US6549586B2 (en) 1999-04-12 2003-04-15 Telefonaktiebolaget L M Ericsson System and method for dual microphone signal noise reduction using spectral subtraction
US6160265A (en) 1998-07-13 2000-12-12 Kensington Laboratories, Inc. SMIF box cover hold down latch and box door latch actuating mechanism
US6240386B1 (en) 1998-08-24 2001-05-29 Conexant Systems, Inc. Speech codec employing noise classification for noise compensation
US6539355B1 (en) 1998-10-15 2003-03-25 Sony Corporation Signal band expanding method and apparatus and signal synthesis method and apparatus
US6011501A (en) 1998-12-31 2000-01-04 Cirrus Logic, Inc. Circuits, systems and methods for processing data in a one-bit format
US6453287B1 (en) 1999-02-04 2002-09-17 Georgia-Tech Research Corporation Apparatus and quality enhancement algorithm for mixed excitation linear predictive (MELP) and other speech coders
US6381570B2 (en) 1999-02-12 2002-04-30 Telogy Networks, Inc. Adaptive two-threshold method for discriminating noise from speech in a communication signal
US6377915B1 (en) 1999-03-17 2002-04-23 Yrp Advanced Mobile Communication Systems Research Laboratories Co., Ltd. Speech decoding using mix ratio table
SE514948C2 (sv) 1999-03-29 2001-05-21 Ericsson Telefon Ab L M Förfarande och anordning för att reducera överhörning
US6490556B2 (en) 1999-05-28 2002-12-03 Intel Corporation Audio classifier for half duplex communication
US20010044719A1 (en) 1999-07-02 2001-11-22 Mitsubishi Electric Research Laboratories, Inc. Method and system for recognizing, indexing, and searching acoustic signals
US6453284B1 (en) 1999-07-26 2002-09-17 Texas Tech University Health Sciences Center Multiple voice tracking system and method
US6480610B1 (en) 1999-09-21 2002-11-12 Sonic Innovations, Inc. Subband acoustic feedback cancellation in hearing aids
US7054809B1 (en) 1999-09-22 2006-05-30 Mindspeed Technologies, Inc. Rate selection method for selectable mode vocoder
US6326912B1 (en) 1999-09-24 2001-12-04 Akm Semiconductor, Inc. Analog-to-digital conversion using a multi-bit analog delta-sigma modulator combined with a one-bit digital delta-sigma modulator
US6594367B1 (en) 1999-10-25 2003-07-15 Andrea Electronics Corporation Super directional beamforming design and implementation
US6473733B1 (en) 1999-12-01 2002-10-29 Research In Motion Limited Signal enhancement for voice coding
TW510143B (en) 1999-12-03 2002-11-11 Dolby Lab Licensing Corp Method for deriving at least three audio signals from two input audio signals
US6934387B1 (en) 1999-12-17 2005-08-23 Marvell International Ltd. Method and apparatus for digital near-end echo/near-end crosstalk cancellation with adaptive correlation
GB2357683A (en) 1999-12-24 2001-06-27 Nokia Mobile Phones Ltd Voiced/unvoiced determination for speech coding
US6757395B1 (en) 2000-01-12 2004-06-29 Sonic Innovations, Inc. Noise reduction apparatus and method
US7076315B1 (en) 2000-03-24 2006-07-11 Audience, Inc. Efficient computation of log-frequency-scale digital filter cascade
US20010046304A1 (en) 2000-04-24 2001-11-29 Rast Rodger H. System and method for selective control of acoustic isolation in headsets
JP2001318694A (ja) 2000-05-10 2001-11-16 Toshiba Corp 信号処理装置、信号処理方法および記録媒体
US7346176B1 (en) 2000-05-11 2008-03-18 Plantronics, Inc. Auto-adjust noise canceling microphone with position sensor
US6377637B1 (en) 2000-07-12 2002-04-23 Andrea Electronics Corporation Sub-band exponential smoothing noise canceling system
US20070233479A1 (en) 2002-05-30 2007-10-04 Burnett Gregory C Detecting voiced and unvoiced speech using both acoustic and nonacoustic sensors
US8254617B2 (en) 2003-03-27 2012-08-28 Aliphcom, Inc. Microphone array with rear venting
US6782253B1 (en) 2000-08-10 2004-08-24 Koninklijke Philips Electronics N.V. Mobile micro portal
ATE318465T1 (de) 2000-08-11 2006-03-15 Koninkl Philips Electronics Nv Verfahren und anordnung zur synchronisierung eines sigma-delta-modulators
JP3566197B2 (ja) 2000-08-31 2004-09-15 松下電器産業株式会社 雑音抑圧装置及び雑音抑圧方法
US6804203B1 (en) 2000-09-15 2004-10-12 Mindspeed Technologies, Inc. Double talk detector for echo cancellation in a speech communication system
US6859508B1 (en) 2000-09-28 2005-02-22 Nec Electronics America, Inc. Four dimensional equalizer and far-end cross talk canceler in Gigabit Ethernet signals
US7472059B2 (en) 2000-12-08 2008-12-30 Qualcomm Incorporated Method and apparatus for robust speech classification
US20020128839A1 (en) 2001-01-12 2002-09-12 Ulf Lindgren Speech bandwidth extension
US20020097884A1 (en) 2001-01-25 2002-07-25 Cairns Douglas A. Variable noise reduction algorithm based on vehicle conditions
US6990196B2 (en) 2001-02-06 2006-01-24 The Board Of Trustees Of The Leland Stanford Junior University Crosstalk identification in xDSL systems
US7617099B2 (en) 2001-02-12 2009-11-10 FortMedia Inc. Noise suppression by two-channel tandem spectrum modification for speech signal in an automobile
US7006636B2 (en) 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
WO2002093561A1 (de) 2001-05-11 2002-11-21 Siemens Aktiengesellschaft Verfahren zur erweiterung der bandbreite eines schmalbandig gefilterten sprachsignals, insbesondere eines von einem telekommunikationsgerät gesendeten sprachsignals
US6675164B2 (en) 2001-06-08 2004-01-06 The Regents Of The University Of California Parallel object-oriented data mining system
CN1326415C (zh) 2001-06-26 2007-07-11 诺基亚公司 对音频信号进行代码变换的方法、码变换器、网元、无线通信网和通信系统
US6876859B2 (en) 2001-07-18 2005-04-05 Trueposition, Inc. Method for estimating TDOA and FDOA in a wireless location system
CA2354808A1 (en) 2001-08-07 2003-02-07 King Tam Sub-band adaptive signal processing in an oversampled filterbank
US6895375B2 (en) 2001-10-04 2005-05-17 At&T Corp. System for bandwidth extension of Narrow-band speech
US6988066B2 (en) 2001-10-04 2006-01-17 At&T Corp. Method of bandwidth extension for narrow-band speech
DE60202881T2 (de) 2001-11-29 2006-01-19 Coding Technologies Ab Wiederherstellung von hochfrequenzkomponenten
US7042934B2 (en) 2002-01-23 2006-05-09 Actelis Networks Inc. Crosstalk mitigation in a modem pool environment
US8098844B2 (en) 2002-02-05 2012-01-17 Mh Acoustics, Llc Dual-microphone spatial noise suppression
US8942387B2 (en) 2002-02-05 2015-01-27 Mh Acoustics Llc Noise-reducing directional microphone array
US7171008B2 (en) 2002-02-05 2007-01-30 Mh Acoustics, Llc Reducing noise in audio systems
US7050783B2 (en) 2002-02-22 2006-05-23 Kyocera Wireless Corp. Accessory detection system
CA2420989C (en) 2002-03-08 2006-12-05 Gennum Corporation Low-noise directional microphone system
US7590250B2 (en) 2002-03-22 2009-09-15 Georgia Tech Research Corporation Analog audio signal enhancement system using a noise suppression algorithm
WO2003083828A1 (en) 2002-03-27 2003-10-09 Aliphcom Nicrophone and voice activity detection (vad) configurations for use with communication systems
GB2387008A (en) 2002-03-28 2003-10-01 Qinetiq Ltd Signal Processing System
US7072834B2 (en) 2002-04-05 2006-07-04 Intel Corporation Adapting to adverse acoustic environment in speech processing using playback training data
US7065486B1 (en) 2002-04-11 2006-06-20 Mindspeed Technologies, Inc. Linear prediction based noise suppression
US7190665B2 (en) 2002-04-19 2007-03-13 Texas Instruments Incorporated Blind crosstalk cancellation for multicarrier modulation
CN1647156B (zh) 2002-04-22 2010-05-26 皇家飞利浦电子股份有限公司 参数编码方法、参数编码器、用于提供音频信号的设备、解码方法、解码器、用于提供解码后的多声道音频信号的设备
DK1359787T3 (en) 2002-04-25 2015-04-20 Gn Resound As Fitting method and hearing prosthesis which is based on signal to noise ratio loss of data
US7319959B1 (en) 2002-05-14 2008-01-15 Audience, Inc. Multi-source phoneme classification for noise-robust automatic speech recognition
US7257231B1 (en) 2002-06-04 2007-08-14 Creative Technology Ltd. Stream segregation for stereo signals
US7242762B2 (en) 2002-06-24 2007-07-10 Freescale Semiconductor, Inc. Monitoring and control of an adaptive filter in a communication system
EP1523717A1 (en) 2002-07-19 2005-04-20 BRITISH TELECOMMUNICATIONS public limited company Method and system for classification of semantic content of audio/video data
CA2399159A1 (en) 2002-08-16 2004-02-16 Dspfactory Ltd. Convergence improvement for oversampled subband adaptive filters
JP4155774B2 (ja) 2002-08-28 2008-09-24 富士通株式会社 エコー抑制システム及び方法
AU2003252143A1 (en) 2002-08-29 2004-03-19 Bae Systems Information And Electronic Systems Integration, Inc. Method for separating interferering signals and computing arrival angles
US7574352B2 (en) 2002-09-06 2009-08-11 Massachusetts Institute Of Technology 2-D processing of speech
US6917688B2 (en) 2002-09-11 2005-07-12 Nanyang Technological University Adaptive noise cancelling microphone system
US7283956B2 (en) 2002-09-18 2007-10-16 Motorola, Inc. Noise suppression
US20040114677A1 (en) 2002-09-27 2004-06-17 Ehud Langberg Method and system for reducing interferences due to handshake tones
US7657427B2 (en) 2002-10-11 2010-02-02 Nokia Corporation Methods and devices for source controlled variable bit-rate wideband speech coding
US7003099B1 (en) 2002-11-15 2006-02-21 Fortmedia, Inc. Small array microphone for acoustic echo cancellation and noise suppression
US20040105550A1 (en) 2002-12-03 2004-06-03 Aylward J. Richard Directional electroacoustical transducing
US7359504B1 (en) 2002-12-03 2008-04-15 Plantronics, Inc. Method and apparatus for reducing echo and noise
US7162420B2 (en) 2002-12-10 2007-01-09 Liberato Technologies, Llc System and method for noise reduction having first and second adaptive filters
US20060160581A1 (en) 2002-12-20 2006-07-20 Christopher Beaugeant Echo suppression for compressed speech with only partial transcoding of the uplink user data stream
KR100477699B1 (ko) 2003-01-15 2005-03-18 삼성전자주식회사 양자화 잡음 분포 조절 방법 및 장치
GB2397990A (en) 2003-01-31 2004-08-04 Mitel Networks Corp Echo cancellation/suppression and double-talk detection in communication paths
US7949522B2 (en) 2003-02-21 2011-05-24 Qnx Software Systems Co. System for suppressing rain noise
US7895036B2 (en) 2003-02-21 2011-02-22 Qnx Software Systems Co. System for suppressing wind noise
GB2398913B (en) 2003-02-27 2005-08-17 Motorola Inc Noise estimation in speech recognition
WO2004084182A1 (en) 2003-03-15 2004-09-30 Mindspeed Technologies, Inc. Decomposition of voiced speech for celp speech coding
EP1473964A3 (en) 2003-05-02 2006-08-09 Samsung Electronics Co., Ltd. Microphone array, method to process signals from this microphone array and speech recognition method and system using the same
US7577084B2 (en) 2003-05-03 2009-08-18 Ikanos Communications Inc. ISDN crosstalk cancellation in a DSL system
GB2401744B (en) 2003-05-14 2006-02-15 Ultra Electronics Ltd An adaptive control unit with feedback compensation
JP4212591B2 (ja) 2003-06-30 2009-01-21 富士通株式会社 オーディオ符号化装置
ATE487332T1 (de) 2003-07-11 2010-11-15 Cochlear Ltd Verfahren und einrichtung zur rauschverminderung
US7289554B2 (en) 2003-07-15 2007-10-30 Brooktree Broadband Holding, Inc. Method and apparatus for channel equalization and cyclostationary interference rejection for ADSL-DMT modems
JP2007502054A (ja) 2003-08-07 2007-02-01 ケラン インコーポレイテッド クロストークキャンセルのための方法とシステム
US7245767B2 (en) 2003-08-21 2007-07-17 Hewlett-Packard Development Company, L.P. Method and apparatus for object identification, classification or verification
US7516067B2 (en) 2003-08-25 2009-04-07 Microsoft Corporation Method and apparatus using harmonic-model-based front end for robust speech recognition
US7099821B2 (en) 2003-09-12 2006-08-29 Softmax, Inc. Separation of target acoustic signals in a multi-transducer arrangement
CA2452945C (en) 2003-09-23 2016-05-10 Mcmaster University Binaural adaptive hearing system
US20050075866A1 (en) 2003-10-06 2005-04-07 Bernard Widrow Speech enhancement in the presence of background noise
US7461003B1 (en) 2003-10-22 2008-12-02 Tellabs Operations, Inc. Methods and apparatus for improving the quality of speech signals
AU2003274864A1 (en) 2003-10-24 2005-05-11 Nokia Corpration Noise-dependent postfiltering
US7672693B2 (en) 2003-11-10 2010-03-02 Nokia Corporation Controlling method, secondary unit and radio terminal equipment
US7725314B2 (en) 2004-02-16 2010-05-25 Microsoft Corporation Method and apparatus for constructing a speech filter using estimates of clean speech and noise
EP1719114A2 (en) 2004-02-18 2006-11-08 Philips Intellectual Property & Standards GmbH Method and system for generating training data for an automatic speech recogniser
DE602004004242T2 (de) 2004-03-19 2008-06-05 Harman Becker Automotive Systems Gmbh System und Verfahren zur Verbesserung eines Audiosignals
CN1947171B (zh) 2004-04-28 2011-05-04 皇家飞利浦电子股份有限公司 自适应波束形成器、旁瓣抑制器、自动语音通信设备
US8712768B2 (en) 2004-05-25 2014-04-29 Nokia Corporation System and method for enhanced artificial bandwidth expansion
US7254535B2 (en) 2004-06-30 2007-08-07 Motorola, Inc. Method and apparatus for equalizing a speech signal generated within a pressurized air delivery system
US7383179B2 (en) 2004-09-28 2008-06-03 Clarity Technologies, Inc. Method of cascading noise reduction algorithms to avoid speech distortion
US20060089836A1 (en) 2004-10-21 2006-04-27 Motorola, Inc. System and method of signal pre-conditioning with adaptive spectral tilt compensation for audio equalization
US8170879B2 (en) 2004-10-26 2012-05-01 Qnx Software Systems Limited Periodic signal enhancement system
US7469155B2 (en) 2004-11-29 2008-12-23 Cisco Technology, Inc. Handheld communications device with automatic alert mode selection
GB2422237A (en) 2004-12-21 2006-07-19 Fluency Voice Technology Ltd Dynamic coefficients determined from temporally adjacent speech frames
US8873768B2 (en) 2004-12-23 2014-10-28 Motorola Mobility Llc Method and apparatus for audio signal enhancement
US7561627B2 (en) 2005-01-06 2009-07-14 Marvell World Trade Ltd. Method and system for channel equalization and crosstalk estimation in a multicarrier data transmission system
US8170221B2 (en) 2005-03-21 2012-05-01 Harman Becker Automotive Systems Gmbh Audio enhancement system and method
BRPI0608270A2 (pt) 2005-04-01 2009-10-06 Qualcomm Inc sistemas, métodos e equipamento para filtragem anti-dispersão
US8249861B2 (en) 2005-04-20 2012-08-21 Qnx Software Systems Limited High frequency compression integration
US7813931B2 (en) 2005-04-20 2010-10-12 QNX Software Systems, Co. System for improving speech quality and intelligibility with bandwidth compression/expansion
US8280730B2 (en) 2005-05-25 2012-10-02 Motorola Mobility Llc Method and apparatus of increasing speech intelligibility in noisy environments
US8311819B2 (en) 2005-06-15 2012-11-13 Qnx Software Systems Limited System for detecting speech with background voice estimates and noise estimates
US20070005351A1 (en) 2005-06-30 2007-01-04 Sathyendra Harsha M Method and system for bandwidth expansion for voice communications
EP1923866B1 (en) 2005-08-11 2014-01-01 Asahi Kasei Kabushiki Kaisha Sound source separating device, speech recognizing device, portable telephone, sound source separating method, and program
KR101116363B1 (ko) 2005-08-11 2012-03-09 삼성전자주식회사 음성신호 분류방법 및 장치, 및 이를 이용한 음성신호부호화방법 및 장치
US20070041589A1 (en) 2005-08-17 2007-02-22 Gennum Corporation System and method for providing environmental specific noise reduction algorithms
US8326614B2 (en) 2005-09-02 2012-12-04 Qnx Software Systems Limited Speech enhancement system
DK1760696T3 (en) 2005-09-03 2016-05-02 Gn Resound As Method and apparatus for improved estimation of non-stationary noise to highlight speech
US20070053522A1 (en) 2005-09-08 2007-03-08 Murray Daniel J Method and apparatus for directional enhancement of speech elements in noisy environments
CA2621940C (en) 2005-09-09 2014-07-29 Mcmaster University Method and device for binaural signal enhancement
JP4742226B2 (ja) 2005-09-28 2011-08-10 国立大学法人九州大学 能動消音制御装置及び方法
EP1772855B1 (en) 2005-10-07 2013-09-18 Nuance Communications, Inc. Method for extending the spectral bandwidth of a speech signal
US7813923B2 (en) 2005-10-14 2010-10-12 Microsoft Corporation Calibration based beamforming, non-linear adaptive filtering, and multi-sensor headset
WO2007049644A1 (ja) 2005-10-26 2007-05-03 Nec Corporation エコー抑圧方法及び装置
US7546237B2 (en) 2005-12-23 2009-06-09 Qnx Software Systems (Wavemakers), Inc. Bandwidth extension of narrowband speech
US8345890B2 (en) 2006-01-05 2013-01-01 Audience, Inc. System and method for utilizing inter-microphone level differences for speech enhancement
US8032369B2 (en) 2006-01-20 2011-10-04 Qualcomm Incorporated Arbitrary average data rates for variable rate coders
US8194880B2 (en) 2006-01-30 2012-06-05 Audience, Inc. System and method for utilizing omni-directional microphones for speech enhancement
EP1827002A1 (en) 2006-02-22 2007-08-29 Alcatel Lucent Method of controlling an adaptation of a filter
CN101385386B (zh) 2006-03-03 2012-05-09 日本电信电话株式会社 混响除去装置和混响除去方法
US7555075B2 (en) 2006-04-07 2009-06-30 Freescale Semiconductor, Inc. Adjustable noise suppression system
US8180067B2 (en) 2006-04-28 2012-05-15 Harman International Industries, Incorporated System for selectively extracting components of an audio input signal
US8949120B1 (en) 2006-05-25 2015-02-03 Audience, Inc. Adaptive noise cancelation
US8150065B2 (en) 2006-05-25 2012-04-03 Audience, Inc. System and method for processing an audio signal
US8934641B2 (en) 2006-05-25 2015-01-13 Audience, Inc. Systems and methods for reconstructing decomposed audio signals
US8204253B1 (en) 2008-06-30 2012-06-19 Audience, Inc. Self calibration of audio device
US20070299655A1 (en) 2006-06-22 2007-12-27 Nokia Corporation Method, Apparatus and Computer Program Product for Providing Low Frequency Expansion of Speech
JP5249207B2 (ja) 2006-06-23 2013-07-31 ジーエヌ リザウンド エー／エス 適応性のある方向性信号処理を備えた補聴装置
JP5435204B2 (ja) 2006-07-03 2014-03-05 日本電気株式会社 雑音抑圧の方法、装置、及びプログラム
US7587056B2 (en) 2006-09-14 2009-09-08 Fortemedia, Inc. Small array microphone apparatus and noise suppression methods thereof
KR101061132B1 (ko) 2006-09-14 2011-08-31 엘지전자 주식회사 다이알로그 증폭 기술
DE102006051071B4 (de) * 2006-10-30 2010-12-16 Siemens Audiologische Technik Gmbh Pegelabhängige Geräuschreduktion
CN101197592B (zh) 2006-12-07 2011-09-14 华为技术有限公司 远端串扰抵消方法、装置及信号发送装置和信号处理系统
CN101197798B (zh) 2006-12-07 2011-11-02 华为技术有限公司 信号处理系统、芯片、外接卡、滤波、收发装置及方法
EP1933303B1 (en) 2006-12-14 2008-08-06 Harman/Becker Automotive Systems GmbH Speech dialog control based on signal pre-processing
US20080152157A1 (en) 2006-12-21 2008-06-26 Vimicro Corporation Method and system for eliminating noises in voice signals
US7783478B2 (en) 2007-01-03 2010-08-24 Alexander Goldin Two stage frequency subband decomposition
US7986794B2 (en) 2007-01-11 2011-07-26 Fortemedia, Inc. Small array microphone apparatus and beam forming method thereof
TWI465121B (zh) 2007-01-29 2014-12-11 Audience Inc 利用全方向麥克風改善通話的系統及方法
US8103011B2 (en) 2007-01-31 2012-01-24 Microsoft Corporation Signal detection using multiple detectors
JP5401760B2 (ja) 2007-02-05 2014-01-29 ソニー株式会社 ヘッドフォン装置、音声再生システム、音声再生方法
JP4882773B2 (ja) 2007-02-05 2012-02-22 ソニー株式会社 信号処理装置、信号処理方法
US8060363B2 (en) 2007-02-13 2011-11-15 Nokia Corporation Audio signal encoding
EP1962559A1 (en) 2007-02-21 2008-08-27 Harman Becker Automotive Systems GmbH Objective quantification of auditory source width of a loudspeakers-room system
US8195454B2 (en) 2007-02-26 2012-06-05 Dolby Laboratories Licensing Corporation Speech enhancement in entertainment audio
US20080208575A1 (en) 2007-02-27 2008-08-28 Nokia Corporation Split-band encoding and decoding of an audio signal
US7925502B2 (en) 2007-03-01 2011-04-12 Microsoft Corporation Pitch model for noise estimation
KR100905585B1 (ko) 2007-03-02 2009-07-02 삼성전자주식회사 음성신호의 대역폭 확장 제어 방법 및 장치
US7912567B2 (en) 2007-03-07 2011-03-22 Audiocodes Ltd. Noise suppressor
EP1970900A1 (en) 2007-03-14 2008-09-17 Harman Becker Automotive Systems GmbH Method and apparatus for providing a codebook for bandwidth extension of an acoustic signal
CN101266797B (zh) 2007-03-16 2011-06-01 展讯通信（上海）有限公司 语音信号后处理滤波方法
JP5260561B2 (ja) 2007-03-19 2013-08-14 ドルビー ラボラトリーズ ライセンシング コーポレイション 知覚モデルを使用した音声の強調
US8005238B2 (en) 2007-03-22 2011-08-23 Microsoft Corporation Robust adaptive beamforming with enhanced noise suppression
US7873114B2 (en) 2007-03-29 2011-01-18 Motorola Mobility, Inc. Method and apparatus for quickly detecting a presence of abrupt noise and updating a noise estimate
US8180062B2 (en) 2007-05-30 2012-05-15 Nokia Corporation Spatial sound zooming
US8982744B2 (en) 2007-06-06 2015-03-17 Broadcom Corporation Method and system for a subband acoustic echo canceller with integrated voice activity detection
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
US8428275B2 (en) 2007-06-22 2013-04-23 Sanyo Electric Co., Ltd. Wind noise reduction device
US8140331B2 (en) 2007-07-06 2012-03-20 Xia Lou Feature extraction for identification and classification of audio signals
US20090012786A1 (en) 2007-07-06 2009-01-08 Texas Instruments Incorporated Adaptive Noise Cancellation
US7817808B2 (en) 2007-07-19 2010-10-19 Alon Konchitsky Dual adaptive structure for speech enhancement
US8189766B1 (en) 2007-07-26 2012-05-29 Audience, Inc. System and method for blind subband acoustic echo cancellation postfiltering
US7856353B2 (en) 2007-08-07 2010-12-21 Nuance Communications, Inc. Method for processing speech signal data with reverberation filtering
US20090043577A1 (en) 2007-08-10 2009-02-12 Ditech Networks, Inc. Signal presence detection using bi-directional communication data
EP2026597B1 (en) 2007-08-13 2009-11-11 Harman Becker Automotive Systems GmbH Noise reduction by combined beamforming and post-filtering
US8032365B2 (en) 2007-08-31 2011-10-04 Tellabs Operations, Inc. Method and apparatus for controlling echo in the coded domain
WO2009035614A1 (en) 2007-09-12 2009-03-19 Dolby Laboratories Licensing Corporation Speech enhancement with voice clarity
ATE501506T1 (de) 2007-09-12 2011-03-15 Dolby Lab Licensing Corp Spracherweiterung mit anpassung von geräuschpegelschätzungen
US8073125B2 (en) 2007-09-25 2011-12-06 Microsoft Corporation Spatial audio conferencing
US8954324B2 (en) 2007-09-28 2015-02-10 Qualcomm Incorporated Multiple microphone voice activity detector
DE602007008429D1 (de) 2007-10-01 2010-09-23 Harman Becker Automotive Sys Effiziente Audiosignalverarbeitung im Subbandbereich, Verfahren, Vorrichtung und dazugehöriges Computerprogramm
JP4339929B2 (ja) 2007-10-01 2009-10-07 パナソニック株式会社 音源方向検知装置
US8107631B2 (en) 2007-10-04 2012-01-31 Creative Technology Ltd Correlation-based method for ambience extraction from two-channel audio signals
US20090095804A1 (en) 2007-10-12 2009-04-16 Sony Ericsson Mobile Communications Ab Rfid for connected accessory identification and method
US8046219B2 (en) * 2007-10-18 2011-10-25 Motorola Mobility, Inc. Robust two microphone noise suppression system
JPWO2009051197A1 (ja) 2007-10-19 2011-03-03 日本電気株式会社 エコー抑圧方法及び装置
US8606566B2 (en) 2007-10-24 2013-12-10 Qnx Software Systems Limited Speech enhancement through partial speech reconstruction
EP2058803B1 (en) 2007-10-29 2010-01-20 Harman/Becker Automotive Systems GmbH Partial speech reconstruction
EP2058804B1 (en) 2007-10-31 2016-12-14 Nuance Communications, Inc. Method for dereverberation of an acoustic signal and system thereof
EP2058797B1 (en) 2007-11-12 2011-05-04 Harman Becker Automotive Systems GmbH Discrimination between foreground speech and background noise
KR101444100B1 (ko) 2007-11-15 2014-09-26 삼성전자주식회사 혼합 사운드로부터 잡음을 제거하는 방법 및 장치
US20090150144A1 (en) 2007-12-10 2009-06-11 Qnx Software Systems (Wavemakers), Inc. Robust voice detector for receive-side automatic gain control
US8175291B2 (en) 2007-12-19 2012-05-08 Qualcomm Incorporated Systems, methods, and apparatus for multi-microphone based speech enhancement
EP2232704A4 (en) 2007-12-20 2010-12-01 Ericsson Telefon Ab L M APPARATUS AND METHOD FOR NOISE SUPPRESSION
US8143620B1 (en) * 2007-12-21 2012-03-27 Audience, Inc. System and method for adaptive classification of audio sources
GB0800891D0 (en) 2008-01-17 2008-02-27 Cambridge Silicon Radio Ltd Method and apparatus for cross-talk cancellation
US8554551B2 (en) 2008-01-28 2013-10-08 Qualcomm Incorporated Systems, methods, and apparatus for context replacement by audio level
US8223988B2 (en) 2008-01-29 2012-07-17 Qualcomm Incorporated Enhanced blind source separation algorithm for highly correlated mixtures
DE102008039330A1 (de) 2008-01-31 2009-08-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Berechnen von Filterkoeffizienten zur Echounterdrückung
US20090220197A1 (en) 2008-02-22 2009-09-03 Jeffrey Gniadek Apparatus and fiber optic cable retention system including same
US8194882B2 (en) 2008-02-29 2012-06-05 Audience, Inc. System and method for providing single microphone noise suppression fallback
US8355511B2 (en) 2008-03-18 2013-01-15 Audience, Inc. System and method for envelope-based acoustic echo cancellation
US8374854B2 (en) 2008-03-28 2013-02-12 Southern Methodist University Spatio-temporal speech enhancement technique based on generalized eigenvalue decomposition
US20090248411A1 (en) 2008-03-28 2009-10-01 Alon Konchitsky Front-End Noise Reduction for Speech Recognition Engine
US8275136B2 (en) 2008-04-25 2012-09-25 Nokia Corporation Electronic device speech enhancement
US8131541B2 (en) 2008-04-25 2012-03-06 Cambridge Silicon Radio Limited Two microphone noise reduction system
US9197181B2 (en) 2008-05-12 2015-11-24 Broadcom Corporation Loudness enhancement system and method
US8831936B2 (en) 2008-05-29 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for speech signal processing using spectral contrast enhancement
US20090315708A1 (en) 2008-06-19 2009-12-24 John Walley Method and system for limiting audio output in audio headsets
US9253568B2 (en) 2008-07-25 2016-02-02 Broadcom Corporation Single-microphone wind noise suppression
US20100027799A1 (en) 2008-07-31 2010-02-04 Sony Ericsson Mobile Communications Ab Asymmetrical delay audio crosstalk cancellation systems, methods and electronic devices including the same
EP2151822B8 (en) 2008-08-05 2018-10-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an audio signal for speech enhancement using a feature extraction
US8923529B2 (en) 2008-08-29 2014-12-30 Biamp Systems Corporation Microphone array system and method for sound acquisition
US8392181B2 (en) 2008-09-10 2013-03-05 Texas Instruments Incorporated Subtraction of a shaped component of a noise reduction spectrum from a combined signal
EP2164066B1 (en) 2008-09-15 2016-03-09 Oticon A/S Noise spectrum tracking in noisy acoustical signals
ATE552690T1 (de) 2008-09-19 2012-04-15 Dolby Lab Licensing Corp Upstream-signalverarbeitung für client- einrichtungen in einem drahtlosen kleinzellen- netz
US8583048B2 (en) 2008-09-25 2013-11-12 Skyphy Networks Limited Multi-hop wireless systems having noise reduction and bandwidth expansion capabilities and the methods of the same
US20100082339A1 (en) 2008-09-30 2010-04-01 Alon Konchitsky Wind Noise Reduction
US20100094622A1 (en) 2008-10-10 2010-04-15 Nexidia Inc. Feature normalization for speech and audio processing
US8218397B2 (en) 2008-10-24 2012-07-10 Qualcomm Incorporated Audio source proximity estimation using sensor array for noise reduction
US8724829B2 (en) 2008-10-24 2014-05-13 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for coherence detection
US8111843B2 (en) 2008-11-11 2012-02-07 Motorola Solutions, Inc. Compensation for nonuniform delayed group communications
US8243952B2 (en) 2008-12-22 2012-08-14 Conexant Systems, Inc. Microphone array calibration method and apparatus
DK2211339T3 (en) 2009-01-23 2017-08-28 Oticon As listening System
JP4892021B2 (ja) 2009-02-26 2012-03-07 株式会社東芝 信号帯域拡張装置
JP5127754B2 (ja) * 2009-03-24 2013-01-23 株式会社東芝 信号処理装置
US8359195B2 (en) * 2009-03-26 2013-01-22 LI Creative Technologies, Inc. Method and apparatus for processing audio and speech signals
US8320852B2 (en) * 2009-04-21 2012-11-27 Samsung Electronic Co., Ltd. Method and apparatus to transmit signals in a communication system
US8144890B2 (en) 2009-04-28 2012-03-27 Bose Corporation ANR settings boot loading
US8184822B2 (en) 2009-04-28 2012-05-22 Bose Corporation ANR signal processing topology
US8611553B2 (en) 2010-03-30 2013-12-17 Bose Corporation ANR instability detection
US8071869B2 (en) 2009-05-06 2011-12-06 Gracenote, Inc. Apparatus and method for determining a prominent tempo of an audio work
JP5169986B2 (ja) 2009-05-13 2013-03-27 沖電気工業株式会社 電話装置、エコーキャンセラ及びエコーキャンセルプログラム
US8160265B2 (en) 2009-05-18 2012-04-17 Sony Computer Entertainment Inc. Method and apparatus for enhancing the generation of three-dimensional sound in headphone devices
US8737636B2 (en) 2009-07-10 2014-05-27 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
US7769187B1 (en) 2009-07-14 2010-08-03 Apple Inc. Communications circuits for electronic devices and accessories
US8571231B2 (en) 2009-10-01 2013-10-29 Qualcomm Incorporated Suppressing noise in an audio signal
US20110099010A1 (en) 2009-10-22 2011-04-28 Broadcom Corporation Multi-channel noise suppression system
US8244927B2 (en) 2009-10-27 2012-08-14 Fairchild Semiconductor Corporation Method of detecting accessories on an audio jack
US8340278B2 (en) 2009-11-20 2012-12-25 Texas Instruments Incorporated Method and apparatus for cross-talk resistant adaptive noise canceller
US8526628B1 (en) 2009-12-14 2013-09-03 Audience, Inc. Low latency active noise cancellation system
US8848935B1 (en) 2009-12-14 2014-09-30 Audience, Inc. Low latency active noise cancellation system
US8385559B2 (en) 2009-12-30 2013-02-26 Robert Bosch Gmbh Adaptive digital noise canceller
US9008329B1 (en) 2010-01-26 2015-04-14 Audience, Inc. Noise reduction using multi-feature cluster tracker
US8718290B2 (en) 2010-01-26 2014-05-06 Audience, Inc. Adaptive noise reduction using level cues
FI20125814A7 (fi) 2010-01-26 2012-10-26 Audience Inc Adaptiivinen kohinanpoisto tasomerkkien avulla
US8700391B1 (en) 2010-04-01 2014-04-15 Audience, Inc. Low complexity bandwidth expansion of speech
EP2556608A4 (en) 2010-04-09 2017-01-25 DTS, Inc. Adaptive environmental noise compensation for audio playback
US8958572B1 (en) 2010-04-19 2015-02-17 Audience, Inc. Adaptive noise cancellation for multi-microphone systems
US8606571B1 (en) 2010-04-19 2013-12-10 Audience, Inc. Spatial selectivity noise reduction tradeoff for multi-microphone systems
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
US8538035B2 (en) 2010-04-29 2013-09-17 Audience, Inc. Multi-microphone robust noise suppression
US8781137B1 (en) 2010-04-27 2014-07-15 Audience, Inc. Wind noise detection and suppression
FI20126106A7 (fi) 2010-04-29 2013-01-29 Audience Inc Voimakas monen mikrofonin kohinanvaimennus
US9245538B1 (en) 2010-05-20 2016-01-26 Audience, Inc. Bandwidth enhancement of speech signals assisted by noise reduction
US8447595B2 (en) 2010-06-03 2013-05-21 Apple Inc. Echo-related decisions on automatic gain control of uplink speech signal in a communications device
US8515089B2 (en) 2010-06-04 2013-08-20 Apple Inc. Active noise cancellation decisions in a portable audio device
US8447596B2 (en) 2010-07-12 2013-05-21 Audience, Inc. Monaural noise suppression based on computational auditory scene analysis
FI20135038A7 (fi) 2010-07-12 2013-04-12 Audience Inc Monauraalinen kohinanvaimennus laskennallisen kuulomaisema-analyysin perusteella
US8719475B2 (en) 2010-07-13 2014-05-06 Broadcom Corporation Method and system for utilizing low power superspeed inter-chip (LP-SSIC) communications
US8761410B1 (en) 2010-08-12 2014-06-24 Audience, Inc. Systems and methods for multi-channel dereverberation
US8611552B1 (en) 2010-08-25 2013-12-17 Audience, Inc. Direction-aware active noise cancellation system
US8447045B1 (en) 2010-09-07 2013-05-21 Audience, Inc. Multi-microphone active noise cancellation system
US9049532B2 (en) 2010-10-19 2015-06-02 Electronics And Telecommunications Research Instittute Apparatus and method for separating sound source
US8682006B1 (en) 2010-10-20 2014-03-25 Audience, Inc. Noise suppression based on null coherence
US8311817B2 (en) 2010-11-04 2012-11-13 Audience, Inc. Systems and methods for enhancing voice quality in mobile device
CN102486920A (zh) 2010-12-06 2012-06-06 索尼公司 音频事件检测方法和装置
US9229833B2 (en) 2011-01-28 2016-01-05 Fairchild Semiconductor Corporation Successive approximation resistor detection
US9107023B2 (en) 2011-03-18 2015-08-11 Dolby Laboratories Licensing Corporation N surround
US9049281B2 (en) 2011-03-28 2015-06-02 Conexant Systems, Inc. Nonlinear echo suppression
JP5817366B2 (ja) 2011-09-12 2015-11-18 沖電気工業株式会社 音声信号処理装置、方法及びプログラム
US8737188B1 (en) 2012-01-11 2014-05-27 Audience, Inc. Crosstalk cancellation systems and methods

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003140700A (ja) * 2001-11-05 2003-05-16 Nec Corp ノイズ除去方法及び装置
JP2008065090A (ja) * 2006-09-07 2008-03-21 Toshiba Corp ノイズサプレス装置
US20090012783A1 (en) * 2007-07-06 2009-01-08 Audience, Inc. System and method for adaptive intelligent noise suppression
WO2010005493A1 (en) * 2008-06-30 2010-01-14 Audience, Inc. System and method for providing noise suppression utilizing null processing noise subtraction

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9830899B1 (en) 2006-05-25 2017-11-28 Knowles Electronics, Llc Adaptive noise cancellation
US9437180B2 (en) 2010-01-26 2016-09-06 Knowles Electronics, Llc Adaptive noise reduction using level cues
US9502048B2 (en) 2010-04-19 2016-11-22 Knowles Electronics, Llc Adaptively reducing noise to limit speech distortion
JP2019537074A (ja) * 2016-10-18 2019-12-19 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン オーディオ信号を処理するための装置および方法
US11056128B2 (en) 2016-10-18 2021-07-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing an audio signal using noise suppression filter values
US11664040B2 (en) 2016-10-18 2023-05-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for reducing noise in an audio signal

Also Published As

Publication number Publication date
US20160064009A1 (en) 2016-03-03
US20130251170A1 (en) 2013-09-26
US9502048B2 (en) 2016-11-22
US9143857B2 (en) 2015-09-22
KR20130061673A (ko) 2013-06-11
FI20126083A7 (fi) 2012-10-18
WO2011133405A1 (en) 2011-10-27
US20120179461A1 (en) 2012-07-12
US8473287B2 (en) 2013-06-25
US8473285B2 (en) 2013-06-25
US20110257967A1 (en) 2011-10-20
FI20126083L (fi) 2012-10-18
TW201207845A (en) 2012-02-16

Similar Documents

Publication Publication Date Title
US9502048B2 (en) Adaptively reducing noise to limit speech distortion
US9438992B2 (en) Multi-microphone robust noise suppression
TWI463817B (zh) 可適性智慧雜訊抑制系統及方法
US8606571B1 (en) Spatial selectivity noise reduction tradeoff for multi-microphone systems
US8180064B1 (en) System and method for providing voice equalization
JP5762956B2 (ja) ヌル処理雑音除去を利用した雑音抑制を提供するシステム及び方法
US8521530B1 (en) System and method for enhancing a monaural audio signal
US9558755B1 (en) Noise suppression assisted automatic speech recognition
US8447596B2 (en) Monaural noise suppression based on computational auditory scene analysis
US8204253B1 (en) Self calibration of audio device
US10262673B2 (en) Soft-talk audio capture for mobile devices
US9699554B1 (en) Adaptive signal equalization
US8761410B1 (en) Systems and methods for multi-channel dereverberation
TW201142829A (en) Adaptive noise reduction using level cues

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140407

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20140407

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20150522

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20150630

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20150928

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20151021

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20151125

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20160401

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20160809

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20170228