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 PDFInfo
- 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
Links
- 230000009467 reduction Effects 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 57
- 201000007201 aphasia Diseases 0.000 claims abstract description 25
- 230000003595 spectral effect Effects 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 8
- 230000001629 suppression Effects 0.000 description 58
- 238000012545 processing Methods 0.000 description 21
- 238000001228 spectrum Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 238000009499 grossing Methods 0.000 description 6
- 230000005236 sound signal Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 210000003477 cochlea Anatomy 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000001303 quality assessment method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
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
- 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
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/002—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)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Circuit For Audible Band Transducer (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
米国特許出願第12/215,980号(タイトル「System and Method for Providing Noise Suppression Utilizing Null Processing Noise Subtraction」、2008年6月30日出願)、
米国特許出願第12/422,917号(タイトル「Adaptive Noise Cancellation」、2009年4月13日出願)、
米国特許出願第12/693,998号(タイトル「Adaptive Noise Reduction Using Level Cues」、2010年1月26日出願)、
において開示される。ここで、これらの内容を、本明細書に援用する。
Claims (23)
- 音響信号の雑音を低減する方法であって:
音響信号を受信する段階と;
前記音響信号を、複数のサブバンド信号へと分離する段階と;
低減値を前記複数のサブバンド信号のうちの一のサブバンド信号に適用する段階であって、前記サブバンド信号の雑音成分のエネルギーレベルを低減させ、
前記低減値は、前記サブバンド信号の推定された信号対雑音比と、前記サブバンド信号における音声損失歪みの推定された閾値レベルとに基づく、段階と;
を有する、方法。 - 前記低減値を適用する前記段階は、前記低減値に基づいて、前記サブバンド信号の雑音消去を実行する段階を含む、
請求項1に記載の方法。 - 前記低減値を適用する前記段階は、前記低減値を、前記サブバンド信号に乗算する段階を含む、
請求項1に記載の方法。 - 第二の低減値を、前記サブバンド信号に乗算する段階であって、さらに前記雑音成分のエネルギーレベルを低減させる、段階
をさらに有する、請求項2に記載の方法。 - 前記サブバンド信号における前記雑音成分のエネルギーレベルは、少なくとも残留雑音目標レベルまで減少させられる、
請求項1に記載の方法。 - 前記推定された信号対雑音比と、前記音声損失歪みの推定された閾値レベルとに基づいて、前記低減値の第一の値を決定する段階と;
前記サブバンド信号における、前記雑音成分のエネルギーレベルの、前記残留雑音目標レベルへの低減に基づいて、前記低減値の第二の値を決定する段階と;
前記低減値として、前記第一の値と前記第二の値のうち一を選択する段階と;
をさらに有する、請求項5に記載の方法。 - 前記低減値を低減した後に、分離された前記音響信号をエンコードする段階
をさらに有する、請求項6に記載の方法。 - 前記残留雑音目標レベルは、可聴なレベルより低いレベルである、
請求項5に記載の方法。 - 前記第二の低減値は、第二のサブバンド信号の前記雑音成分のエネルギーレベルが、前記残留雑音目標レベルより低い場合に、1となる、
請求項5に記載の方法。 - 前記低減値は、さらに、前記サブバンド信号における、前記雑音成分及び前記音声成分の、推定されたパワースペクトル密度に基づく、
請求項1に記載の方法。 - プログラムを格納するコンピュータ読取可能な記憶媒体であって、前記プログラムは、プロセッサに、音響信号の雑音を低減する方法を実行させ、該方法は:
音響信号を受信する段階と;
前記音響信号を、複数のサブバンド信号へと分離する段階と;
低減値を前記複数のサブバンド信号のうちの一のサブバンド信号に適用する段階であって、前記サブバンド信号の雑音成分のエネルギーレベルを低減させ、
前記低減値は、前記サブバンド信号の推定された信号対雑音比と、前記サブバンド信号における音声損失歪みの推定された閾値レベルとに基づく、段階と;
を有する、記憶媒体。 - 前記低減値を適用する前記段階は、前記低減値に基づいて、前記サブバンド信号の雑音消去を実行する段階を含む、
請求項11に記載の記憶媒体。 - 前記低減値を適用する前記段階は、前記低減値を、前記サブバンド信号に乗算する段階を含む、
請求項11に記載の記憶媒体。 - 前記サブバンド信号における前記雑音成分のエネルギーレベルは、少なくとも残留雑音目標レベルまで減少させられる、
請求項11に記載の記憶媒体。 - 前記方法は:
前記推定された信号対雑音比と、前記音声損失歪みの推定された閾値レベルとに基づいて、前記低減値の第一の値を決定する段階と;
前記サブバンド信号における、前記雑音成分のエネルギーレベルの、前記残留雑音目標レベルへの低減に基づいて、前記低減値の第二の値を決定する段階と;
前記低減値として、前記第一の値と前記第二の値のうち一を選択する段階と;
をさらに有する、請求項14に記載の記憶媒体。 - 前記方法は、
第二の低減値を、前記サブバンド信号に乗算する段階であって、さらに前記雑音成分のエネルギーレベルを低減する、段階
をさらに有する、請求項11に記載の記憶媒体。 - 前記残留雑音目標レベルは、可聴なレベルより低いレベルである、
請求項14に記載の記憶媒体。 - 前記第二の低減値は、第二のサブバンド信号の前記雑音成分のエネルギーレベルが、前記残留雑音目標レベルより低い場合に、1となる、
請求項14に記載の記憶媒体。 - 音響信号の雑音を低減するシステムであって:
プロセッサにより実行される、メモリに保管された周波数分析モジュール及び雑音低減モジュールを有し、
前記周波数分析モジュールは、
音響信号を受信し、
前記音響信号を、複数のサブバンド信号へと分離し;
前記雑音低減モジュールは、
低減値を前記複数のサブバンド信号のうちの一のサブバンド信号に適用し、前記サブバンド信号の雑音成分のエネルギーレベルを低減させ、
前記低減値は、前記サブバンド信号の推定された信号対雑音比と、前記サブバンド信号における音声損失歪みの推定された閾値レベルとに基づく、
システム。 - 前記雑音低減モジュールは、前記低減値に基づいて、前記サブバンド信号の雑音消去を実行する、
請求項19に記載のシステム。 - 前記雑音低減モジュールは、前記低減値を、前記サブバンド信号に乗算する、
請求項19に記載のシステム。 - 前記サブバンド信号における前記雑音成分のエネルギーレベルは、少なくとも残留雑音目標レベルまで減少させられる、
請求項19に記載のシステム。 - 前記低減値は、さらに、前記雑音低減モジュールのアプリケーション・プログラム・インターフェースを介して受信された入力に基づく、
請求項19に記載のシステム。
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 US8473287B2 (en) | 2010-04-19 | 2010-07-08 | Method for jointly optimizing noise reduction and voice quality in a mono or multi-microphone system |
US12/832,901 | 2010-07-08 | ||
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 (ja) | 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 (5)
Country | Link |
---|---|
US (4) | US8473287B2 (ja) |
JP (1) | JP2013525843A (ja) |
KR (1) | KR20130061673A (ja) |
TW (1) | TW201207845A (ja) |
WO (1) | WO2011133405A1 (ja) |
Cited By (4)
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 |
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 |
Families Citing this family (78)
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 |
EP2603914A4 (en) * | 2010-08-11 | 2014-11-19 | Bone Tone Comm Ltd | REMOVING BACKGROUND NOISE FOR PRIVATE, PERSONALIZED 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 |
WO2012127278A1 (en) * | 2011-03-18 | 2012-09-27 | Nokia Corporation | Apparatus 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 |
US20130282372A1 (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 |
WO2015157827A1 (en) * | 2014-04-17 | 2015-10-22 | Wolfson Dynamic Hearing Pty Ltd | Retaining binaural cues when mixing microphone signals |
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 |
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 |
US9668048B2 (en) | 2015-01-30 | 2017-05-30 | 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 |
WO2017096174A1 (en) | 2015-12-04 | 2017-06-08 | Knowles Electronics, Llc | Multi-microphone feedforward active noise cancellation |
US20170195811A1 (en) | 2015-12-30 | 2017-07-06 | Knowles Electronics Llc | Audio Monitoring and Adaptation Using Headset Microphones Inside User's Ear Canal |
US9830930B2 (en) | 2015-12-30 | 2017-11-28 | Knowles Electronics, Llc | Voice-enhanced awareness mode |
US9779716B2 (en) | 2015-12-30 | 2017-10-03 | Knowles Electronics, Llc | Occlusion reduction and active noise reduction based on seal quality |
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 |
US10262673B2 (en) | 2017-02-13 | 2019-04-16 | 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 |
CN110364162B (zh) * | 2018-11-15 | 2022-03-15 | 腾讯科技(深圳)有限公司 | 一种人工智能的重置方法及装置、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 |
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 |
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 |
EP3764664A1 (en) | 2019-07-10 | 2021-01-13 | Analog Devices International Unlimited Company | Signal processing methods and systems for beam forming with microphone tolerance compensation |
EP3764359A1 (en) | 2019-07-10 | 2021-01-13 | Analog Devices International Unlimited Company | Signal processing methods and systems for multi-focus beam-forming |
EP3764660B1 (en) | 2019-07-10 | 2023-08-30 | Analog Devices International Unlimited Company | Signal processing methods and systems for adaptive 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 |
KR20210101670A (ko) | 2020-02-10 | 2021-08-19 | 삼성전자주식회사 | 음질 개선 방법 및 이를 이용한 전자 장치 |
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 |
US20220262342A1 (en) * | 2021-02-18 | 2022-08-18 | Nuance Communications, Inc. | 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 |
US20230230599A1 (en) * | 2022-01-20 | 2023-07-20 | Nuance Communications, Inc. | 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 |
US20230230580A1 (en) * | 2022-01-20 | 2023-07-20 | Nuance Communications, Inc. | Data augmentation system and method for multi-microphone systems |
US20230230582A1 (en) * | 2022-01-20 | 2023-07-20 | Nuance Communications, Inc. | Data augmentation system and method for multi-microphone systems |
Citations (4)
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 (314)
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 |
US8467543B2 (en) | 2002-03-27 | 2013-06-18 | Aliphcom | Microphone and voice activity detection (VAD) configurations for use with communication systems |
US8254617B2 (en) | 2003-03-27 | 2012-08-28 | Aliphcom, Inc. | Microphone array with rear venting |
US20070233479A1 (en) | 2002-05-30 | 2007-10-04 | Burnett Gregory C | Detecting voiced and unvoiced speech using both acoustic and nonacoustic sensors |
US6782253B1 (en) | 2000-08-10 | 2004-08-24 | Koninklijke Philips Electronics N.V. | Mobile micro portal |
CN100337405C (zh) | 2000-08-11 | 2007-09-12 | 皇家菲利浦电子有限公司 | 用于同步∑△调制器的方法和装置 |
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 |
KR100648760B1 (ko) | 2001-11-29 | 2006-11-23 | 코딩 테크놀러지스 에이비 | 고주파 재생 기술 향상을 위한 방법들 및 그를 수행하는 프로그램이 저장된 컴퓨터 프로그램 기록매체 |
US7042934B2 (en) | 2002-01-23 | 2006-05-09 | Actelis Networks Inc. | Crosstalk mitigation in a modem pool environment |
WO2007106399A2 (en) | 2006-03-10 | 2007-09-20 | Mh Acoustics, Llc | Noise-reducing directional microphone array |
US7171008B2 (en) | 2002-02-05 | 2007-01-30 | Mh Acoustics, Llc | Reducing noise in audio systems |
US8098844B2 (en) | 2002-02-05 | 2012-01-17 | Mh Acoustics, Llc | Dual-microphone spatial noise suppression |
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 |
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 |
US20050238238A1 (en) | 2002-07-19 | 2005-10-27 | Li-Qun Xu | 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 |
US7539273B2 (en) | 2002-08-29 | 2009-05-26 | Bae Systems Information And Electronic Systems Integration Inc. | Method for separating interfering 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 |
CN1685626A (zh) | 2002-09-27 | 2005-10-19 | 肯奈克斯特公司 | 用来减小由握手音调导致的干扰的系统和方法 |
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 |
US7359504B1 (en) | 2002-12-03 | 2008-04-15 | Plantronics, Inc. | Method and apparatus for reducing echo and noise |
US20040105550A1 (en) | 2002-12-03 | 2004-06-03 | Aylward J. Richard | Directional electroacoustical transducing |
US7162420B2 (en) | 2002-12-10 | 2007-01-09 | Liberato Technologies, Llc | System and method for noise reduction having first and second adaptive filters |
EP1432222A1 (de) | 2002-12-20 | 2004-06-23 | Siemens Aktiengesellschaft | Echounterdrückung für komprimierte Spache |
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 |
EP1604352A4 (en) | 2003-03-15 | 2007-12-19 | Mindspeed Tech Inc | SINGLE NOISE DELETION MODEL |
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 |
WO2005004113A1 (ja) | 2003-06-30 | 2005-01-13 | Fujitsu Limited | オーディオ符号化装置 |
DE602004029899D1 (de) | 2003-07-11 | 2010-12-16 | 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 |
DE112004001455B4 (de) | 2003-08-07 | 2020-04-23 | Intersil Americas LLC | Verfahren und System zum Löschen von Übersprechen |
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 |
US20060116874A1 (en) | 2003-10-24 | 2006-06-01 | Jonas Samuelsson | 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 |
JP5230103B2 (ja) | 2004-02-18 | 2013-07-10 | ニュアンス コミュニケーションズ,インコーポレイテッド | 自動音声認識器のためのトレーニングデータを生成する方法およびシステム |
DE602004004242T2 (de) | 2004-03-19 | 2008-06-05 | Harman Becker Automotive Systems Gmbh | System und Verfahren zur Verbesserung eines Audiosignals |
KR101149571B1 (ko) | 2004-04-28 | 2012-05-29 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 적응성 빔 형성기, 사이드로브 소거기, 핸즈프리 음성 통신 디바이스 |
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 |
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 |
AU2006232361B2 (en) | 2005-04-01 | 2010-12-23 | Qualcomm Incorporated | Methods and apparatus for encoding and decoding an highband portion of a speech signal |
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 |
US7590530B2 (en) | 2005-09-03 | 2009-09-15 | Gn Resound A/S | Method and apparatus for improved estimation of non-stationary noise for speech enhancement |
US20070053522A1 (en) | 2005-09-08 | 2007-03-08 | Murray Daniel J | Method and apparatus for directional enhancement of speech elements in noisy environments |
WO2007028250A2 (en) | 2005-09-09 | 2007-03-15 | 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 |
JP4774100B2 (ja) | 2006-03-03 | 2011-09-14 | 日本電信電話株式会社 | 残響除去装置、残響除去方法、残響除去プログラム及び記録媒体 |
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 |
US8204253B1 (en) | 2008-06-30 | 2012-06-19 | Audience, Inc. | Self calibration of audio device |
US8934641B2 (en) | 2006-05-25 | 2015-01-13 | Audience, Inc. | Systems and methods for reconstructing decomposed audio signals |
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 |
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 |
US10811026B2 (en) | 2006-07-03 | 2020-10-20 | Nec Corporation | Noise suppression method, device, and program |
DE602007010330D1 (de) | 2006-09-14 | 2010-12-16 | Lg Electronics Inc | Dialogerweiterungsverfahren |
US7587056B2 (en) | 2006-09-14 | 2009-09-08 | Fortemedia, Inc. | Small array microphone apparatus and noise suppression methods thereof |
DE102006051071B4 (de) * | 2006-10-30 | 2010-12-16 | Siemens Audiologische Technik Gmbh | Pegelabhängige Geräuschreduktion |
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 |
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 |
ATE403928T1 (de) | 2006-12-14 | 2008-08-15 | Harman Becker Automotive Sys | Sprachdialogkontrolle basierend auf signalvorverarbeitung |
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 |
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 |
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 |
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 |
EP2118885B1 (en) | 2007-02-26 | 2012-07-11 | 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 |
US8560320B2 (en) | 2007-03-19 | 2013-10-15 | Dolby Laboratories Licensing Corporation | Speech enhancement employing a perceptual model |
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 |
US20090012786A1 (en) | 2007-07-06 | 2009-01-08 | Texas Instruments Incorporated | Adaptive Noise Cancellation |
US8140331B2 (en) | 2007-07-06 | 2012-03-20 | Xia Lou | Feature extraction for identification and classification of audio signals |
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 |
ATE448649T1 (de) | 2007-08-13 | 2009-11-15 | Harman Becker Automotive Sys | Rauschverringerung mittels kombination aus strahlformung und nachfilterung |
WO2009029076A1 (en) | 2007-08-31 | 2009-03-05 | Tellabs Operations, Inc. | Controlling echo in the coded domain |
WO2009035614A1 (en) | 2007-09-12 | 2009-03-19 | Dolby Laboratories Licensing Corporation | Speech enhancement with voice clarity |
US8538763B2 (en) | 2007-09-12 | 2013-09-17 | Dolby Laboratories Licensing Corporation | Speech enhancement with noise level estimation adjustment |
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 |
EP2202531A4 (en) | 2007-10-01 | 2012-12-26 | Panasonic Corp | DETECTOR FOR SOUND SOUND ALIGNMENT |
ATE477572T1 (de) | 2007-10-01 | 2010-08-15 | Harman Becker Automotive Sys | Effiziente audiosignalverarbeitung im subbandbereich, verfahren, vorrichtung und dazugehöriges computerprogramm |
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 |
US8488776B2 (en) | 2007-10-19 | 2013-07-16 | Nec Corporation | Echo suppressing method and apparatus |
US8606566B2 (en) | 2007-10-24 | 2013-12-10 | Qnx Software Systems Limited | Speech enhancement through partial speech reconstruction |
ATE456130T1 (de) | 2007-10-29 | 2010-02-15 | Harman Becker Automotive Sys | Partielle sprachrekonstruktion |
EP2058804B1 (en) | 2007-10-31 | 2016-12-14 | Nuance Communications, Inc. | Method for dereverberation of an acoustic signal and system thereof |
DE602007014382D1 (de) | 2007-11-12 | 2011-06-16 | Harman Becker Automotive Sys | Unterscheidung zwischen Vordergrundsprache und Hintergrundgeräuschen |
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 |
JP5140162B2 (ja) | 2007-12-20 | 2013-02-06 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 雑音抑圧方法及び装置 |
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 |
US8131541B2 (en) | 2008-04-25 | 2012-03-06 | Cambridge Silicon Radio Limited | Two microphone noise reduction system |
US8275136B2 (en) | 2008-04-25 | 2012-09-25 | Nokia Corporation | Electronic device speech enhancement |
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 |
ES2678415T3 (es) | 2008-08-05 | 2018-08-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y procedimiento para procesamiento y señal de audio para mejora de habla mediante el uso de una extracción de característica |
EP2670165B1 (en) | 2008-08-29 | 2016-10-05 | Biamp Systems Corporation | A microphone array system and method for sound acquistion |
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 |
ES2385293T3 (es) | 2008-09-19 | 2012-07-20 | Dolby Laboratories Licensing Corporation | Procesamiento de señales ascendentes para dispositivos clientes en una red inalámbrica de células pequeñas |
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 |
US8724829B2 (en) | 2008-10-24 | 2014-05-13 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for coherence detection |
US8218397B2 (en) | 2008-10-24 | 2012-07-10 | Qualcomm Incorporated | Audio source proximity estimation using sensor array for noise reduction |
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 |
EP2211339B1 (en) | 2009-01-23 | 2017-05-31 | Oticon A/s | 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 |
US8184822B2 (en) | 2009-04-28 | 2012-05-22 | Bose Corporation | ANR signal processing topology |
US8144890B2 (en) | 2009-04-28 | 2012-03-27 | Bose Corporation | ANR settings boot loading |
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 |
US8700391B1 (en) | 2010-04-01 | 2014-04-15 | Audience, Inc. | Low complexity bandwidth expansion of speech |
US20110251704A1 (en) | 2010-04-09 | 2011-10-13 | Martin Walsh | Adaptive environmental noise compensation for audio playback |
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 |
US8958572B1 (en) | 2010-04-19 | 2015-02-17 | Audience, Inc. | Adaptive noise cancellation for multi-microphone systems |
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 |
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 |
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 |
-
2010
- 2010-07-08 US US12/832,901 patent/US8473287B2/en active Active
-
2011
- 2011-04-14 JP JP2013506188A patent/JP2013525843A/ja active Pending
- 2011-04-14 KR KR1020127027238A patent/KR20130061673A/ko not_active Application Discontinuation
- 2011-04-14 WO PCT/US2011/032578 patent/WO2011133405A1/en active Application Filing
- 2011-04-19 TW TW100113589A patent/TW201207845A/zh unknown
-
2012
- 2012-03-19 US US13/424,189 patent/US8473285B2/en active Active
-
2013
- 2013-05-07 US US13/888,796 patent/US9143857B2/en not_active Expired - Fee Related
-
2015
- 2015-09-10 US US14/850,911 patent/US9502048B2/en active Active
Patent Citations (4)
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 (5)
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 |
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 |
---|---|
KR20130061673A (ko) | 2013-06-11 |
US20120179461A1 (en) | 2012-07-12 |
US8473287B2 (en) | 2013-06-25 |
US8473285B2 (en) | 2013-06-25 |
US20160064009A1 (en) | 2016-03-03 |
TW201207845A (en) | 2012-02-16 |
WO2011133405A1 (en) | 2011-10-27 |
US9502048B2 (en) | 2016-11-22 |
US20110257967A1 (en) | 2011-10-20 |
US9143857B2 (en) | 2015-09-22 |
US20130251170A1 (en) | 2013-09-26 |
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 | |
US9076456B1 (en) | System and method for providing voice equalization | |
US8521530B1 (en) | System and method for enhancing a monaural audio signal | |
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 | |
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 | |
US9699554B1 (en) | Adaptive signal equalization | |
US8761410B1 (en) | Systems and methods for multi-channel dereverberation | |
US10262673B2 (en) | Soft-talk audio capture for mobile devices | |
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 |