JP2010532879A - アダプティブ・インテリジェント・ノイズ抑制システム及び方法 - Google Patents
アダプティブ・インテリジェント・ノイズ抑制システム及び方法 Download PDFInfo
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- 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
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- H—ELECTRICITY
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- 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
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- 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
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- H04B15/00—Suppression or limitation of noise or interference
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- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for microphones
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- H—ELECTRICITY
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- 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
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
- G10L2021/02165—Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/05—Noise reduction with a separate noise microphone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
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Abstract
Description
レベル差を用いて時間・周波数領域において音声(speech)とノイズとを区別する。別の実施形態では、エネルギーレベル差と時間遅れとを両方用いて、音声を区別する。バイノーラル・キュー復号に基づき、音声信号抽出や音声エンハンスメントを行える。
Claims (20)
- ノイズをアダプティブに抑制する方法であって、
主音響信号を受け取る段階と、
前記主音響信号に基づき音声損失歪み推定値を決定する段階と、
エンハンスメントフィルタを用いて前記音声損失歪み推定値に基づいて複数のゲインマスクを生成する段階と、
前記複数のゲインマスクを前記主音響信号に適用して、ノイズ抑制した信号を生成する段階と、
前記ノイズ抑制した信号を出力する段階と、を含む方法。 - 音声損失歪み推定値を決定する段階は、前記主音響信号のパワースペクトルから、計算したノイズスペクトルを引く段階を含む、請求項1に記載の方法。
- 前記ノイズスペクトルを計算する段階をさらに含む、請求項2に記載の方法。
- 前記主音響信号のパワースペクトルを計算する段階をさらに含む、請求項2に記載の方法。
- 前記主音響信号のノイズと音声を分類する段階をさらに含む、請求項1に記載の方法。
- 前記主音響信号と副音響信号との間のレベル間差を決定する段階をさらに含む、請求項1に記載の方法。
- 快適ノイズを生成して、前記ノイズ抑制した信号に出力前に適用する段階をさらに含む、請求項1に記載の方法。
- 快適ノイズを生成する段階は、前記快適ノイズをぎりぎり聞こえるレベルに設定する段階を含む、請求項7に記載の方法。
- 前記音声損失歪み推定値に基づき前記エンハンスメントフィルタを調整する制御信号を求める段階をさらに含む、請求項1に記載の方法。
- 主音響信号のノイズをアダプティブに抑制するシステムであって、
前記主音響信号を受け取る音響センサと、
複数のゲインマスクをアダプティブに生成して前記主音響信号に適用するアダプティブ・インテリジェント抑制生成器と、
前記複数のゲインマスクを前記主音響信号に適用して、ノイズ抑制した信号を生成するマスクモジュールと、を有するシステム。 - 快適ノイズを生成してノイズ抑制した信号に適用する快適ノイズ生成器をさらに有する、請求項10に記載のシステム。
- 前記アダプティブ・インテリジェント抑制生成器は、前記主音響信号から音声歪み推定値を決定し、前記音声歪み推定値に基づき前記ゲインマスクの計算を調整する制御信号を求める音声歪み制御モジュールを有する、請求項10に記載のシステム。
- 前記アダプティブ・インテリジェント抑制生成器が用いて音声歪み推定値を決定するノイズパワースペクトルを生成するノイズ推定モジュールをさらに有する、請求項10に記載のシステム。
- 前記アダプティブ・インテリジェント抑制生成器が用いて音声歪み推定値を決定するレベル間差を生成するレベル間差モジュールをさらに有する、請求項10に記載のシステム。
- 前記アダプティブ・インテリジェント抑制生成器は、音声歪み推定値に基づいて前記ゲインマスクをアダプティブに生成する計算エンハンスメントフィルタモジュールを有する、請求項10に記載のシステム。
- 前記主音響信号の主スペクトルを生成するエネルギーモジュールをさらに有する、請求項10に記載のシステム。
- 前記エネルギーモジュールは、さらに、第2の音響センサが受け取った第2の音響信号のパワースペクトルを生成する、請求項16に記載のシステム。
- プログラムを化体した機械読み取り可能媒体であって、前記プログラムはノイズをアダプティブに抑制する方法の命令を提供し、前記方法は、
主音響信号を受け取る段階と、
前記主音響信号に基づき音声損失歪み推定値を決定する段階と、
エンハンスメントフィルタを用いて前記音声損失歪み推定値に基づいて複数のゲインマスクを生成する段階と、
前記複数のゲインマスクを前記主音響信号に適用して、ノイズ抑制した信号を生成する段階と、
前記ノイズ抑制した信号を出力する段階と、を含む機械読み取り可能媒体。 - 前記方法は前記音声損失歪み推定値に基づき前記エンハンスメントフィルタを調整する制御信号を求める段階をさらに含む、請求項18に記載の機械読み取り可能媒体。
- 前記方法は快適ノイズを生成して、前記ノイズ抑制した信号に出力前に適用する段階をさらに含む、請求項18に記載の機械読み取り可能媒体。
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US11/825,563 US8744844B2 (en) | 2007-07-06 | 2007-07-06 | System and method for adaptive intelligent noise suppression |
PCT/US2008/008249 WO2009008998A1 (en) | 2007-07-06 | 2008-07-03 | System and method for adaptive intelligent noise suppression |
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JP2014165477A Pending JP2014232331A (ja) | 2007-07-06 | 2014-08-15 | アダプティブ・インテリジェント・ノイズ抑制システム及び方法 |
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KR (1) | KR101461141B1 (ja) |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010539538A (ja) * | 2007-09-12 | 2010-12-16 | ドルビー・ラボラトリーズ・ライセンシング・コーポレーション | 雑音レベル推定値の調節を備えたスピーチ強調 |
JP2014504743A (ja) * | 2010-12-29 | 2014-02-24 | 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) | 雑音抑圧方法及び当該雑音抑圧方法を適用するための雑音抑圧器 |
US9418676B2 (en) | 2012-10-03 | 2016-08-16 | Oki Electric Industry Co., Ltd. | Audio signal processor, method, and program for suppressing noise components from input audio signals |
US9536540B2 (en) | 2013-07-19 | 2017-01-03 | Knowles Electronics, Llc | Speech signal separation and synthesis based on auditory scene analysis and speech modeling |
US9558755B1 (en) | 2010-05-20 | 2017-01-31 | Knowles Electronics, Llc | Noise suppression assisted automatic speech recognition |
US9640194B1 (en) | 2012-10-04 | 2017-05-02 | Knowles Electronics, Llc | Noise suppression for speech processing based on machine-learning mask estimation |
US9799330B2 (en) | 2014-08-28 | 2017-10-24 | Knowles Electronics, Llc | Multi-sourced noise suppression |
US9830899B1 (en) | 2006-05-25 | 2017-11-28 | Knowles Electronics, Llc | Adaptive noise cancellation |
JP2018084834A (ja) * | 2012-12-21 | 2018-05-31 | 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 | 低ビットレートで背景ノイズをモデル化するためのコンフォートノイズ付加 |
Families Citing this family (125)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8345890B2 (en) | 2006-01-05 | 2013-01-01 | Audience, Inc. | System and method for utilizing inter-microphone level differences for speech enhancement |
US8204252B1 (en) | 2006-10-10 | 2012-06-19 | Audience, Inc. | System and method for providing close microphone adaptive array processing |
US8194880B2 (en) | 2006-01-30 | 2012-06-05 | Audience, Inc. | System and method for utilizing omni-directional microphones for speech enhancement |
US8744844B2 (en) | 2007-07-06 | 2014-06-03 | Audience, Inc. | System and method for adaptive intelligent noise suppression |
US9185487B2 (en) | 2006-01-30 | 2015-11-10 | Audience, Inc. | System and method for providing noise suppression utilizing null processing noise subtraction |
US8849231B1 (en) | 2007-08-08 | 2014-09-30 | Audience, Inc. | System and method for adaptive power control |
US8204253B1 (en) | 2008-06-30 | 2012-06-19 | Audience, Inc. | Self calibration of audio device |
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 |
US8259926B1 (en) | 2007-02-23 | 2012-09-04 | Audience, Inc. | System and method for 2-channel and 3-channel acoustic echo cancellation |
US8189766B1 (en) | 2007-07-26 | 2012-05-29 | Audience, Inc. | System and method for blind subband acoustic echo cancellation postfiltering |
ATE454696T1 (de) * | 2007-08-31 | 2010-01-15 | Harman Becker Automotive Sys | Schnelle schätzung der spektraldichte der rauschleistung zur sprachsignalverbesserung |
US8180064B1 (en) | 2007-12-21 | 2012-05-15 | Audience, Inc. | System and method for providing voice equalization |
US8143620B1 (en) | 2007-12-21 | 2012-03-27 | Audience, Inc. | System and method for adaptive classification of audio sources |
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 |
DE102008021362B3 (de) * | 2008-04-29 | 2009-07-02 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zum Erkennen eines Zustandes einer zu untersuchenden geräuscherzeugenden Maschine |
US8774423B1 (en) | 2008-06-30 | 2014-07-08 | Audience, Inc. | System and method for controlling adaptivity of signal modification using a phantom coefficient |
US8521530B1 (en) | 2008-06-30 | 2013-08-27 | Audience, Inc. | System and method for enhancing a monaural audio signal |
WO2010146711A1 (ja) * | 2009-06-19 | 2010-12-23 | 富士通株式会社 | 音声信号処理装置及び音声信号処理方法 |
US9196254B1 (en) * | 2009-07-02 | 2015-11-24 | Alon Konchitsky | Method for implementing quality control for one or more components of an audio signal received from a communication device |
US9196249B1 (en) * | 2009-07-02 | 2015-11-24 | Alon Konchitsky | Method for identifying speech and music components of an analyzed audio signal |
US9026440B1 (en) * | 2009-07-02 | 2015-05-05 | Alon Konchitsky | Method for identifying speech and music components of a sound signal |
WO2011020783A2 (en) * | 2009-08-17 | 2011-02-24 | Roche Glycart Ag | Targeted immunoconjugates |
US9838784B2 (en) | 2009-12-02 | 2017-12-05 | Knowles Electronics, Llc | Directional audio capture |
US20110178800A1 (en) | 2010-01-19 | 2011-07-21 | Lloyd Watts | Distortion Measurement for Noise Suppression System |
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 |
US8538035B2 (en) | 2010-04-29 | 2013-09-17 | Audience, Inc. | Multi-microphone robust noise suppression |
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 |
US9378754B1 (en) * | 2010-04-28 | 2016-06-28 | Knowles Electronics, Llc | Adaptive spatial classifier for multi-microphone systems |
US8725506B2 (en) * | 2010-06-30 | 2014-05-13 | Intel Corporation | Speech audio processing |
US8447596B2 (en) * | 2010-07-12 | 2013-05-21 | Audience, Inc. | Monaural noise suppression based on computational auditory scene analysis |
KR101702561B1 (ko) | 2010-08-30 | 2017-02-03 | 삼성전자 주식회사 | 음원출력장치 및 이를 제어하는 방법 |
US8831937B2 (en) * | 2010-11-12 | 2014-09-09 | Audience, Inc. | Post-noise suppression processing to improve voice quality |
JP5937611B2 (ja) | 2010-12-03 | 2016-06-22 | シラス ロジック、インコーポレイテッド | パーソナルオーディオデバイスにおける適応ノイズキャンセラの監視制御 |
US8908877B2 (en) | 2010-12-03 | 2014-12-09 | Cirrus Logic, Inc. | Ear-coupling detection and adjustment of adaptive response in noise-canceling in personal audio devices |
KR101757461B1 (ko) | 2011-03-25 | 2017-07-26 | 삼성전자주식회사 | 배경잡음의 스펙트럼 밀도를 추정하는 방법 및 이를 수행하는 프로세서 |
US8958571B2 (en) * | 2011-06-03 | 2015-02-17 | Cirrus Logic, Inc. | MIC covering detection in personal audio devices |
US9318094B2 (en) | 2011-06-03 | 2016-04-19 | Cirrus Logic, Inc. | Adaptive noise canceling architecture for a personal audio device |
US9824677B2 (en) | 2011-06-03 | 2017-11-21 | Cirrus Logic, Inc. | Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC) |
US9214150B2 (en) | 2011-06-03 | 2015-12-15 | Cirrus Logic, Inc. | Continuous adaptation of secondary path adaptive response in noise-canceling personal audio devices |
US9076431B2 (en) | 2011-06-03 | 2015-07-07 | Cirrus Logic, Inc. | Filter architecture for an adaptive noise canceler in a personal audio device |
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US8848936B2 (en) | 2011-06-03 | 2014-09-30 | Cirrus Logic, Inc. | Speaker damage prevention in adaptive noise-canceling personal audio devices |
WO2013009949A1 (en) | 2011-07-13 | 2013-01-17 | Dts Llc | Microphone array processing system |
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 |
US9325821B1 (en) | 2011-09-30 | 2016-04-26 | Cirrus Logic, Inc. | Sidetone management in an adaptive noise canceling (ANC) system including secondary path modeling |
WO2013101088A1 (en) | 2011-12-29 | 2013-07-04 | Advanced Bionics Ag | Systems and methods for facilitating binaural hearing by a cochlear implant patient |
US9258653B2 (en) * | 2012-03-21 | 2016-02-09 | Semiconductor Components Industries, Llc | Method and system for parameter based adaptation of clock speeds to listening devices and audio applications |
US9142205B2 (en) | 2012-04-26 | 2015-09-22 | Cirrus Logic, Inc. | Leakage-modeling adaptive noise canceling for earspeakers |
US9014387B2 (en) | 2012-04-26 | 2015-04-21 | Cirrus Logic, Inc. | Coordinated control of adaptive noise cancellation (ANC) among earspeaker channels |
US9319781B2 (en) | 2012-05-10 | 2016-04-19 | Cirrus Logic, Inc. | Frequency and direction-dependent ambient sound handling in personal audio devices having adaptive noise cancellation (ANC) |
US9123321B2 (en) | 2012-05-10 | 2015-09-01 | Cirrus Logic, Inc. | Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling system |
US9082387B2 (en) | 2012-05-10 | 2015-07-14 | Cirrus Logic, Inc. | Noise burst adaptation of secondary path adaptive response in noise-canceling personal audio devices |
US9076427B2 (en) | 2012-05-10 | 2015-07-07 | Cirrus Logic, Inc. | Error-signal content controlled adaptation of secondary and leakage path models in noise-canceling personal audio devices |
US9318090B2 (en) | 2012-05-10 | 2016-04-19 | Cirrus Logic, Inc. | Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system |
US9532139B1 (en) | 2012-09-14 | 2016-12-27 | Cirrus Logic, Inc. | Dual-microphone frequency amplitude response self-calibration |
JP6169849B2 (ja) * | 2013-01-15 | 2017-07-26 | 本田技研工業株式会社 | 音響処理装置 |
US9516418B2 (en) | 2013-01-29 | 2016-12-06 | 2236008 Ontario Inc. | Sound field spatial stabilizer |
US9107010B2 (en) | 2013-02-08 | 2015-08-11 | Cirrus Logic, Inc. | Ambient noise root mean square (RMS) detector |
US9117457B2 (en) * | 2013-02-28 | 2015-08-25 | Signal Processing, Inc. | Compact plug-in noise cancellation device |
US9369798B1 (en) | 2013-03-12 | 2016-06-14 | Cirrus Logic, Inc. | Internal dynamic range control in an adaptive noise cancellation (ANC) system |
US20140278393A1 (en) * | 2013-03-12 | 2014-09-18 | Motorola Mobility Llc | Apparatus and Method for Power Efficient Signal Conditioning for a Voice Recognition System |
US20140270249A1 (en) * | 2013-03-12 | 2014-09-18 | Motorola Mobility Llc | Method and Apparatus for Estimating Variability of Background Noise for Noise Suppression |
US9106989B2 (en) | 2013-03-13 | 2015-08-11 | Cirrus Logic, Inc. | Adaptive-noise canceling (ANC) effectiveness estimation and correction in a personal audio device |
US9414150B2 (en) | 2013-03-14 | 2016-08-09 | Cirrus Logic, Inc. | Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device |
US9215749B2 (en) | 2013-03-14 | 2015-12-15 | Cirrus Logic, Inc. | Reducing an acoustic intensity vector with adaptive noise cancellation with two error microphones |
US9635480B2 (en) | 2013-03-15 | 2017-04-25 | Cirrus Logic, Inc. | Speaker impedance monitoring |
US9467776B2 (en) | 2013-03-15 | 2016-10-11 | Cirrus Logic, Inc. | Monitoring of speaker impedance to detect pressure applied between mobile device and ear |
US9208771B2 (en) | 2013-03-15 | 2015-12-08 | Cirrus Logic, Inc. | Ambient noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices |
US9502020B1 (en) * | 2013-03-15 | 2016-11-22 | Cirrus Logic, Inc. | Robust adaptive noise canceling (ANC) in a personal audio device |
US10206032B2 (en) | 2013-04-10 | 2019-02-12 | Cirrus Logic, Inc. | Systems and methods for multi-mode adaptive noise cancellation for audio headsets |
US9066176B2 (en) | 2013-04-15 | 2015-06-23 | Cirrus Logic, Inc. | Systems and methods for adaptive noise cancellation including dynamic bias of coefficients of an adaptive noise cancellation system |
US9462376B2 (en) | 2013-04-16 | 2016-10-04 | Cirrus Logic, Inc. | Systems and methods for hybrid adaptive noise cancellation |
US9460701B2 (en) | 2013-04-17 | 2016-10-04 | Cirrus Logic, Inc. | Systems and methods for adaptive noise cancellation by biasing anti-noise level |
US9478210B2 (en) | 2013-04-17 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for hybrid adaptive noise cancellation |
US9578432B1 (en) | 2013-04-24 | 2017-02-21 | Cirrus Logic, Inc. | Metric and tool to evaluate secondary path design in adaptive noise cancellation systems |
US20180317019A1 (en) | 2013-05-23 | 2018-11-01 | Knowles Electronics, Llc | Acoustic activity detecting microphone |
US9264808B2 (en) | 2013-06-14 | 2016-02-16 | Cirrus Logic, Inc. | Systems and methods for detection and cancellation of narrow-band noise |
US9106196B2 (en) | 2013-06-20 | 2015-08-11 | 2236008 Ontario Inc. | Sound field spatial stabilizer with echo spectral coherence compensation |
US9099973B2 (en) | 2013-06-20 | 2015-08-04 | 2236008 Ontario Inc. | Sound field spatial stabilizer with structured noise compensation |
US9271100B2 (en) | 2013-06-20 | 2016-02-23 | 2236008 Ontario Inc. | Sound field spatial stabilizer with spectral coherence compensation |
US9392364B1 (en) | 2013-08-15 | 2016-07-12 | Cirrus Logic, Inc. | Virtual microphone for adaptive noise cancellation in personal audio devices |
US9666176B2 (en) | 2013-09-13 | 2017-05-30 | Cirrus Logic, Inc. | Systems and methods for adaptive noise cancellation by adaptively shaping internal white noise to train a secondary path |
US9620101B1 (en) | 2013-10-08 | 2017-04-11 | Cirrus Logic, Inc. | Systems and methods for maintaining playback fidelity in an audio system with adaptive noise cancellation |
US9704472B2 (en) | 2013-12-10 | 2017-07-11 | Cirrus Logic, Inc. | Systems and methods for sharing secondary path information between audio channels in an adaptive noise cancellation system |
US10382864B2 (en) | 2013-12-10 | 2019-08-13 | Cirrus Logic, Inc. | Systems and methods for providing adaptive playback equalization in an audio device |
US10219071B2 (en) | 2013-12-10 | 2019-02-26 | Cirrus Logic, Inc. | Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation |
US9369557B2 (en) | 2014-03-05 | 2016-06-14 | Cirrus Logic, Inc. | Frequency-dependent sidetone calibration |
US9479860B2 (en) | 2014-03-07 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for enhancing performance of audio transducer based on detection of transducer status |
US9648410B1 (en) | 2014-03-12 | 2017-05-09 | Cirrus Logic, Inc. | Control of audio output of headphone earbuds based on the environment around the headphone earbuds |
US9319784B2 (en) | 2014-04-14 | 2016-04-19 | Cirrus Logic, Inc. | Frequency-shaped noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices |
US9609416B2 (en) | 2014-06-09 | 2017-03-28 | Cirrus Logic, Inc. | Headphone responsive to optical signaling |
US10181315B2 (en) | 2014-06-13 | 2019-01-15 | Cirrus Logic, Inc. | Systems and methods for selectively enabling and disabling adaptation of an adaptive noise cancellation system |
US10360926B2 (en) | 2014-07-10 | 2019-07-23 | Analog Devices Global Unlimited Company | Low-complexity voice activity detection |
JP6446893B2 (ja) * | 2014-07-31 | 2019-01-09 | 富士通株式会社 | エコー抑圧装置、エコー抑圧方法及びエコー抑圧用コンピュータプログラム |
US9949041B2 (en) * | 2014-08-12 | 2018-04-17 | Starkey Laboratories, Inc. | Hearing assistance device with beamformer optimized using a priori spatial information |
US9478212B1 (en) | 2014-09-03 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device |
US9978388B2 (en) | 2014-09-12 | 2018-05-22 | Knowles Electronics, Llc | Systems and methods for restoration of speech components |
US9712915B2 (en) | 2014-11-25 | 2017-07-18 | Knowles Electronics, Llc | Reference microphone for non-linear and time variant echo cancellation |
US9552805B2 (en) | 2014-12-19 | 2017-01-24 | Cirrus Logic, Inc. | Systems and methods for performance and stability control for feedback adaptive noise cancellation |
US10045140B2 (en) | 2015-01-07 | 2018-08-07 | Knowles Electronics, Llc | Utilizing digital microphones for low power keyword detection and noise suppression |
CN105869652B (zh) * | 2015-01-21 | 2020-02-18 | 北京大学深圳研究院 | 心理声学模型计算方法和装置 |
CN105869649B (zh) * | 2015-01-21 | 2020-02-21 | 北京大学深圳研究院 | 感知滤波方法和感知滤波器 |
US10026388B2 (en) | 2015-08-20 | 2018-07-17 | Cirrus Logic, Inc. | Feedback adaptive noise cancellation (ANC) controller and method having a feedback response partially provided by a fixed-response filter |
US9578415B1 (en) | 2015-08-21 | 2017-02-21 | Cirrus Logic, Inc. | Hybrid adaptive noise cancellation system with filtered error microphone signal |
US10186276B2 (en) * | 2015-09-25 | 2019-01-22 | Qualcomm Incorporated | Adaptive noise suppression for super wideband music |
WO2017096174A1 (en) | 2015-12-04 | 2017-06-08 | Knowles Electronics, Llc | Multi-microphone feedforward active noise cancellation |
US10013966B2 (en) | 2016-03-15 | 2018-07-03 | Cirrus Logic, Inc. | Systems and methods for adaptive active noise cancellation for multiple-driver personal audio device |
US9820042B1 (en) | 2016-05-02 | 2017-11-14 | Knowles Electronics, Llc | Stereo separation and directional suppression with omni-directional microphones |
EP3301675B1 (en) * | 2016-09-28 | 2019-08-21 | Panasonic Intellectual Property Corporation of America | Parameter prediction device and parameter prediction method for acoustic signal processing |
US10262673B2 (en) | 2017-02-13 | 2019-04-16 | Knowles Electronics, Llc | Soft-talk audio capture for mobile devices |
US10463476B2 (en) * | 2017-04-28 | 2019-11-05 | Cochlear Limited | Body noise reduction in auditory prostheses |
CN108305637B (zh) * | 2018-01-23 | 2021-04-06 | Oppo广东移动通信有限公司 | 耳机语音处理方法、终端设备及存储介质 |
US10885907B2 (en) * | 2018-02-14 | 2021-01-05 | Cirrus Logic, Inc. | Noise reduction system and method for audio device with multiple microphones |
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 |
US10839821B1 (en) * | 2019-07-23 | 2020-11-17 | Bose Corporation | Systems and methods for estimating noise |
CN110648679B (zh) * | 2019-09-25 | 2023-07-14 | 腾讯科技(深圳)有限公司 | 回声抑制参数的确定方法和装置、存储介质及电子装置 |
US11587575B2 (en) * | 2019-10-11 | 2023-02-21 | Plantronics, Inc. | Hybrid noise suppression |
KR20210056146A (ko) * | 2019-11-08 | 2021-05-18 | 엘지전자 주식회사 | 고장 진단을 하는 인공 지능 장치 및 그 방법 |
KR20210125846A (ko) * | 2020-04-09 | 2021-10-19 | 삼성전자주식회사 | 복수의 마이크로폰들을 사용한 음성 처리 장치 및 방법 |
JP7382273B2 (ja) * | 2020-04-13 | 2023-11-16 | 株式会社トランストロン | エコー抑圧装置、エコー抑圧方法及びエコー抑圧プログラム |
CN112581973B (zh) * | 2020-11-27 | 2022-04-29 | 深圳大学 | 一种语音增强方法及系统 |
CN117998254B (zh) * | 2024-04-07 | 2024-07-30 | 腾讯科技(深圳)有限公司 | 破音修复方法、装置及存储介质 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07248793A (ja) * | 1994-03-08 | 1995-09-26 | Mitsubishi Electric Corp | 雑音抑圧音声分析装置及び雑音抑圧音声合成装置及び音声伝送システム |
JPH1174822A (ja) * | 1997-06-25 | 1999-03-16 | Lg Electron Inc | 音響反響制御システム、音響反響制御システムの同時通話検出器及び音響反響制御システムの同時通話制御方法 |
JP2001159899A (ja) * | 1999-12-01 | 2001-06-12 | Matsushita Electric Ind Co Ltd | 騒音抑圧装置 |
JP2002366200A (ja) * | 2001-06-06 | 2002-12-20 | Mitsubishi Electric Corp | 雑音抑圧装置 |
JP2003514473A (ja) * | 1999-11-15 | 2003-04-15 | ノキア コーポレイション | ノイズ抑制 |
JP2003140700A (ja) * | 2001-11-05 | 2003-05-16 | Nec Corp | ノイズ除去方法及び装置 |
JP2004187283A (ja) * | 2002-11-18 | 2004-07-02 | Matsushita Electric Ind Co Ltd | マイクロホン装置および再生装置 |
JP2004214784A (ja) * | 2002-12-27 | 2004-07-29 | Matsushita Electric Ind Co Ltd | 雑音抑圧装置 |
JP2005165021A (ja) * | 2003-12-03 | 2005-06-23 | Fujitsu Ltd | 雑音低減装置、および低減方法 |
WO2006046293A1 (ja) * | 2004-10-28 | 2006-05-04 | Fujitsu Limited | 雑音抑圧装置 |
WO2006070560A1 (ja) * | 2004-12-28 | 2006-07-06 | Pioneer Corporation | 雑音抑圧装置、雑音抑圧方法、雑音抑圧プログラムおよびコンピュータに読み取り可能な記録媒体 |
JP2007006525A (ja) * | 2006-08-24 | 2007-01-11 | Nec Corp | ノイズ除去の方法及び装置 |
Family Cites Families (238)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3976863A (en) * | 1974-07-01 | 1976-08-24 | Alfred Engel | Optimal decoder for non-stationary signals |
US3978287A (en) * | 1974-12-11 | 1976-08-31 | Nasa | Real time analysis of voiced sounds |
US4137510A (en) * | 1976-01-22 | 1979-01-30 | Victor Company Of Japan, Ltd. | Frequency band dividing filter |
GB2102254B (en) * | 1981-05-11 | 1985-08-07 | Kokusai Denshin Denwa Co Ltd | A speech analysis-synthesis system |
US4433604A (en) * | 1981-09-22 | 1984-02-28 | Texas Instruments Incorporated | Frequency domain digital encoding technique for musical signals |
JPS5876899A (ja) * | 1981-10-31 | 1983-05-10 | 株式会社東芝 | 音声区間検出装置 |
US4536844A (en) * | 1983-04-26 | 1985-08-20 | Fairchild Camera And Instrument Corporation | Method and apparatus for simulating aural response information |
US5054085A (en) * | 1983-05-18 | 1991-10-01 | Speech Systems, Inc. | Preprocessing system for speech recognition |
US4674125A (en) * | 1983-06-27 | 1987-06-16 | Rca Corporation | Real-time hierarchal pyramid signal processing apparatus |
US4581758A (en) * | 1983-11-04 | 1986-04-08 | At&T Bell Laboratories | Acoustic direction identification system |
GB2158980B (en) * | 1984-03-23 | 1989-01-05 | Ricoh Kk | Extraction of phonemic information |
US4649505A (en) * | 1984-07-02 | 1987-03-10 | General Electric Company | Two-input crosstalk-resistant adaptive noise canceller |
GB8429879D0 (en) * | 1984-11-27 | 1985-01-03 | Rca Corp | Signal processing apparatus |
US4628529A (en) * | 1985-07-01 | 1986-12-09 | Motorola, Inc. | Noise suppression system |
US4630304A (en) | 1985-07-01 | 1986-12-16 | Motorola, Inc. | Automatic background noise estimator for a noise suppression system |
US4658426A (en) * | 1985-10-10 | 1987-04-14 | Harold Antin | Adaptive noise suppressor |
JPH0211482Y2 (ja) | 1985-12-25 | 1990-03-23 | ||
GB8612453D0 (en) * | 1986-05-22 | 1986-07-02 | Inmos Ltd | Multistage digital signal multiplication & addition |
US4812996A (en) * | 1986-11-26 | 1989-03-14 | Tektronix, Inc. | Signal viewing instrumentation control system |
US4811404A (en) * | 1987-10-01 | 1989-03-07 | Motorola, Inc. | Noise suppression system |
IL84902A (en) * | 1987-12-21 | 1991-12-15 | D S P Group Israel Ltd | Digital autocorrelation system for detecting speech in noisy audio signal |
US5027410A (en) * | 1988-11-10 | 1991-06-25 | Wisconsin Alumni Research Foundation | Adaptive, programmable signal processing and filtering for hearing aids |
US5099738A (en) * | 1989-01-03 | 1992-03-31 | Hotz Instruments Technology, Inc. | MIDI musical translator |
DE69011709T2 (de) * | 1989-03-10 | 1994-12-15 | Nippon Telegraph & Telephone | Einrichtung zur Feststellung eines akustischen Signals. |
US5187776A (en) * | 1989-06-16 | 1993-02-16 | International Business Machines Corp. | Image editor zoom function |
EP0427953B1 (en) * | 1989-10-06 | 1996-01-17 | Matsushita Electric Industrial Co., Ltd. | Apparatus and method for speech rate modification |
US5142961A (en) * | 1989-11-07 | 1992-09-01 | Fred Paroutaud | Method and apparatus for stimulation of acoustic musical instruments |
GB2239971B (en) * | 1989-12-06 | 1993-09-29 | Ca Nat Research Council | System for separating speech from background noise |
US5058419A (en) * | 1990-04-10 | 1991-10-22 | Earl H. Ruble | Method and apparatus for determining the location of a sound source |
JPH0454100A (ja) * | 1990-06-22 | 1992-02-21 | Clarion Co Ltd | 音声信号補償回路 |
US5119711A (en) * | 1990-11-01 | 1992-06-09 | International Business Machines Corporation | Midi file translation |
US5224170A (en) | 1991-04-15 | 1993-06-29 | Hewlett-Packard Company | Time domain compensation for transducer mismatch |
US5210366A (en) * | 1991-06-10 | 1993-05-11 | Sykes Jr Richard O | Method and device for detecting and separating voices in a complex musical composition |
US5175769A (en) * | 1991-07-23 | 1992-12-29 | Rolm Systems | Method for time-scale modification of signals |
EP0527527B1 (en) * | 1991-08-09 | 1999-01-20 | Koninklijke Philips Electronics N.V. | Method and apparatus for manipulating pitch and duration of a physical audio signal |
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 |
US5381512A (en) * | 1992-06-24 | 1995-01-10 | Moscom Corporation | Method and apparatus for speech feature recognition based on models of auditory signal processing |
US5402496A (en) * | 1992-07-13 | 1995-03-28 | Minnesota Mining And Manufacturing Company | Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering |
US5732143A (en) * | 1992-10-29 | 1998-03-24 | Andrea Electronics Corp. | Noise cancellation apparatus |
US5381473A (en) * | 1992-10-29 | 1995-01-10 | Andrea Electronics Corporation | Noise cancellation apparatus |
US5402493A (en) * | 1992-11-02 | 1995-03-28 | Central Institute For The Deaf | Electronic simulator of non-linear and active cochlear spectrum analysis |
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 |
US5355329A (en) * | 1992-12-14 | 1994-10-11 | Apple Computer, Inc. | Digital filter having independent damping and frequency parameters |
US5400409A (en) * | 1992-12-23 | 1995-03-21 | Daimler-Benz Ag | Noise-reduction method for noise-affected voice channels |
US5473759A (en) * | 1993-02-22 | 1995-12-05 | Apple Computer, Inc. | Sound analysis and resynthesis using correlograms |
US5590241A (en) * | 1993-04-30 | 1996-12-31 | Motorola Inc. | Speech processing system and method for enhancing a speech signal in a noisy environment |
DE4316297C1 (de) * | 1993-05-14 | 1994-04-07 | Fraunhofer Ges Forschung | Frequenzanalyseverfahren |
DE4330243A1 (de) * | 1993-09-07 | 1995-03-09 | Philips Patentverwaltung | Sprachverarbeitungseinrichtung |
US5675778A (en) * | 1993-10-04 | 1997-10-07 | Fostex Corporation Of America | Method and apparatus for audio editing incorporating visual comparison |
US5502211A (en) * | 1993-10-26 | 1996-03-26 | Sun Company, Inc. (R&M) | Substituted dipyrromethanes and their preparation |
US5574824A (en) * | 1994-04-11 | 1996-11-12 | The United States Of America As Represented By The Secretary Of The Air Force | Analysis/synthesis-based microphone array speech enhancer with variable signal distortion |
US5471195A (en) * | 1994-05-16 | 1995-11-28 | C & K Systems, Inc. | Direction-sensing acoustic glass break detecting system |
US5544250A (en) * | 1994-07-18 | 1996-08-06 | Motorola | Noise suppression system and method therefor |
JPH0896514A (ja) * | 1994-07-28 | 1996-04-12 | Sony Corp | オーディオ信号処理装置 |
US5729612A (en) * | 1994-08-05 | 1998-03-17 | Aureal Semiconductor Inc. | Method and apparatus for measuring head-related transfer functions |
SE505156C2 (sv) * | 1995-01-30 | 1997-07-07 | Ericsson Telefon Ab L M | Förfarande för bullerundertryckning genom spektral subtraktion |
US5682463A (en) * | 1995-02-06 | 1997-10-28 | Lucent Technologies Inc. | Perceptual audio compression based on loudness uncertainty |
US5920840A (en) * | 1995-02-28 | 1999-07-06 | Motorola, Inc. | Communication system and method using a speaker dependent time-scaling technique |
US5587998A (en) * | 1995-03-03 | 1996-12-24 | At&T | Method and apparatus for reducing residual far-end echo in voice communication networks |
US6263307B1 (en) | 1995-04-19 | 2001-07-17 | Texas Instruments Incorporated | Adaptive weiner filtering using line spectral frequencies |
US5706395A (en) * | 1995-04-19 | 1998-01-06 | Texas Instruments Incorporated | Adaptive weiner filtering using a dynamic suppression factor |
JP3580917B2 (ja) | 1995-08-30 | 2004-10-27 | 本田技研工業株式会社 | 燃料電池 |
US5809463A (en) * | 1995-09-15 | 1998-09-15 | Hughes Electronics | Method of detecting double talk in an echo canceller |
US5694474A (en) * | 1995-09-18 | 1997-12-02 | Interval Research Corporation | Adaptive filter for signal processing and method therefor |
US6002776A (en) * | 1995-09-18 | 1999-12-14 | Interval Research Corporation | Directional acoustic signal processor and method therefor |
US5792971A (en) * | 1995-09-29 | 1998-08-11 | Opcode Systems, Inc. | Method and system for editing digital audio information with music-like parameters |
IT1281001B1 (it) * | 1995-10-27 | 1998-02-11 | Cselt Centro Studi Lab Telecom | Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio. |
US5956674A (en) * | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
FI100840B (fi) * | 1995-12-12 | 1998-02-27 | Nokia Mobile Phones Ltd | Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin |
US5732189A (en) * | 1995-12-22 | 1998-03-24 | Lucent Technologies Inc. | Audio signal coding with a signal adaptive filterbank |
JPH09212196A (ja) * | 1996-01-31 | 1997-08-15 | Nippon Telegr & Teleph Corp <Ntt> | 雑音抑圧装置 |
US5749064A (en) * | 1996-03-01 | 1998-05-05 | Texas Instruments Incorporated | Method and system for time scale modification utilizing feature vectors about zero crossing points |
US5825320A (en) * | 1996-03-19 | 1998-10-20 | Sony Corporation | Gain control method for audio encoding device |
US6222927B1 (en) | 1996-06-19 | 2001-04-24 | The University Of Illinois | Binaural signal processing system and method |
US6978159B2 (en) | 1996-06-19 | 2005-12-20 | Board Of Trustees Of The University Of Illinois | Binaural signal processing using multiple acoustic sensors and digital filtering |
US6072881A (en) * | 1996-07-08 | 2000-06-06 | Chiefs Voice Incorporated | Microphone noise rejection system |
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 |
JPH1054855A (ja) * | 1996-08-09 | 1998-02-24 | Advantest Corp | スペクトラムアナライザ |
AU4238697A (en) | 1996-08-29 | 1998-03-19 | Cisco Technology, Inc. | Spatio-temporal processing for communication |
JP3355598B2 (ja) | 1996-09-18 | 2002-12-09 | 日本電信電話株式会社 | 音源分離方法、装置及び記録媒体 |
US6098038A (en) * | 1996-09-27 | 2000-08-01 | Oregon Graduate Institute Of Science & Technology | Method and system for adaptive speech enhancement using frequency specific signal-to-noise ratio estimates |
US6097820A (en) * | 1996-12-23 | 2000-08-01 | Lucent Technologies Inc. | System and method for suppressing noise in digitally represented voice signals |
JP2930101B2 (ja) * | 1997-01-29 | 1999-08-03 | 日本電気株式会社 | 雑音消去装置 |
US5933495A (en) * | 1997-02-07 | 1999-08-03 | Texas Instruments Incorporated | Subband acoustic noise suppression |
DE69816610T2 (de) | 1997-04-16 | 2004-06-09 | Dspfactory Ltd., Waterloo | Verfahren und vorrichtung zur rauschverminderung, insbesondere bei hörhilfegeräten |
EP0979554B1 (en) * | 1997-05-01 | 2003-08-27 | Med-El Elektromedizinische Geräte GmbH | Apparatus and method for a low power digital filter bank |
US6151397A (en) | 1997-05-16 | 2000-11-21 | Motorola, Inc. | Method and system for reducing undesired signals in a communication environment |
JP3541339B2 (ja) | 1997-06-26 | 2004-07-07 | 富士通株式会社 | マイクロホンアレイ装置 |
EP0889588B1 (de) * | 1997-07-02 | 2003-06-11 | Micronas Semiconductor Holding AG | Filterkombination zur Abtastratenumsetzung |
US6430295B1 (en) | 1997-07-11 | 2002-08-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatus for measuring signal level and delay at multiple sensors |
JP3216704B2 (ja) | 1997-08-01 | 2001-10-09 | 日本電気株式会社 | 適応アレイ装置 |
US6122384A (en) * | 1997-09-02 | 2000-09-19 | Qualcomm Inc. | Noise suppression system and method |
US6216103B1 (en) | 1997-10-20 | 2001-04-10 | Sony Corporation | Method for implementing a speech recognition system to determine speech endpoints during conditions with background noise |
US6134524A (en) * | 1997-10-24 | 2000-10-17 | Nortel Networks Corporation | Method and apparatus to detect and delimit foreground speech |
US20020002455A1 (en) | 1998-01-09 | 2002-01-03 | At&T Corporation | Core estimator and adaptive gains from signal to noise ratio in a hybrid speech enhancement system |
JP3435686B2 (ja) | 1998-03-02 | 2003-08-11 | 日本電信電話株式会社 | 収音装置 |
US6717991B1 (en) | 1998-05-27 | 2004-04-06 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for dual microphone signal noise reduction using spectral subtraction |
US6549586B2 (en) | 1999-04-12 | 2003-04-15 | Telefonaktiebolaget L M Ericsson | System and method for dual microphone signal noise reduction using spectral subtraction |
US5990405A (en) * | 1998-07-08 | 1999-11-23 | Gibson Guitar Corp. | System and method for generating and controlling a simulated musical concert experience |
US7209567B1 (en) | 1998-07-09 | 2007-04-24 | Purdue Research Foundation | Communication system with adaptive noise suppression |
JP4163294B2 (ja) | 1998-07-31 | 2008-10-08 | 株式会社東芝 | 雑音抑圧処理装置および雑音抑圧処理方法 |
US6173255B1 (en) * | 1998-08-18 | 2001-01-09 | Lockheed Martin Corporation | Synchronized overlap add voice processing using windows and one bit correlators |
US6223090B1 (en) | 1998-08-24 | 2001-04-24 | The United States Of America As Represented By The Secretary Of The Air Force | Manikin positioning for acoustic measuring |
US6122610A (en) * | 1998-09-23 | 2000-09-19 | Verance Corporation | Noise suppression for low bitrate speech coder |
US7003120B1 (en) | 1998-10-29 | 2006-02-21 | Paul Reed Smith Guitars, Inc. | Method of modifying harmonic content of a complex waveform |
US6469732B1 (en) | 1998-11-06 | 2002-10-22 | Vtel Corporation | Acoustic source location using a microphone array |
US6266633B1 (en) | 1998-12-22 | 2001-07-24 | Itt Manufacturing Enterprises | Noise suppression and channel equalization preprocessor for speech and speaker recognizers: method and apparatus |
US6381570B2 (en) | 1999-02-12 | 2002-04-30 | Telogy Networks, Inc. | Adaptive two-threshold method for discriminating noise from speech in a communication signal |
US6363345B1 (en) | 1999-02-18 | 2002-03-26 | Andrea Electronics Corporation | System, method and apparatus for cancelling noise |
US6496795B1 (en) | 1999-05-05 | 2002-12-17 | Microsoft Corporation | Modulated complex lapped transform for integrated signal enhancement and coding |
EP1161852A2 (de) | 1999-03-19 | 2001-12-12 | Siemens Aktiengesellschaft | Verfahren und einrichtung zum aufnehmen und bearbeiten von audiosignalen in einer störschallerfüllten umgebung |
GB2348350B (en) | 1999-03-26 | 2004-02-18 | Mitel Corp | Echo cancelling/suppression for handsets |
US6487257B1 (en) | 1999-04-12 | 2002-11-26 | Telefonaktiebolaget L M Ericsson | Signal noise reduction by time-domain spectral subtraction using fixed filters |
GB9911737D0 (en) | 1999-05-21 | 1999-07-21 | Philips Electronics Nv | Audio signal time scale modification |
US6226616B1 (en) | 1999-06-21 | 2001-05-01 | Digital Theater Systems, Inc. | Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
US20060072768A1 (en) * | 1999-06-24 | 2006-04-06 | Schwartz Stephen R | Complementary-pair equalizer |
US6355869B1 (en) | 1999-08-19 | 2002-03-12 | Duane Mitton | Method and system for creating musical scores from musical recordings |
GB9922654D0 (en) | 1999-09-27 | 1999-11-24 | Jaber Marwan | Noise suppression system |
US6513004B1 (en) | 1999-11-24 | 2003-01-28 | Matsushita Electric Industrial Co., Ltd. | Optimized local feature extraction for automatic speech recognition |
US6549630B1 (en) | 2000-02-04 | 2003-04-15 | Plantronics, Inc. | Signal expander with discrimination between close and distant acoustic source |
DE10195933T1 (de) | 2000-03-14 | 2003-04-30 | Audia Technology Inc | Adaptiver Mikrophonabgleich in einem Richtsystem mit mehreren Mikrophonen |
US7076315B1 (en) | 2000-03-24 | 2006-07-11 | Audience, Inc. | Efficient computation of log-frequency-scale digital filter cascade |
US6434417B1 (en) | 2000-03-28 | 2002-08-13 | Cardiac Pacemakers, Inc. | Method and system for detecting cardiac depolarization |
CN1436436A (zh) | 2000-03-31 | 2003-08-13 | 克拉里提有限公司 | 用于话音信号提取的方法和设备 |
JP2001296343A (ja) | 2000-04-11 | 2001-10-26 | Nec Corp | 音源方位設定装置及びそれを備えた撮像装置、送信システム |
US7225001B1 (en) | 2000-04-24 | 2007-05-29 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for distributed noise suppression |
CA2407855C (en) | 2000-05-10 | 2010-02-02 | The Board Of Trustees Of The University Of Illinois | Interference suppression techniques |
JP2003534570A (ja) | 2000-05-26 | 2003-11-18 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 適応ビームフォーマーにおいてノイズを抑制する方法 |
US6622030B1 (en) | 2000-06-29 | 2003-09-16 | Ericsson Inc. | Echo suppression using adaptive gain based on residual echo energy |
US8019091B2 (en) | 2000-07-19 | 2011-09-13 | Aliphcom, Inc. | Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression |
US7246058B2 (en) | 2001-05-30 | 2007-07-17 | Aliph, Inc. | Detecting voiced and unvoiced speech using both acoustic and nonacoustic sensors |
US6718309B1 (en) | 2000-07-26 | 2004-04-06 | Ssi Corporation | Continuously variable time scale modification of digital audio signals |
JP4815661B2 (ja) | 2000-08-24 | 2011-11-16 | ソニー株式会社 | 信号処理装置及び信号処理方法 |
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 |
DE10045197C1 (de) | 2000-09-13 | 2002-03-07 | Siemens Audiologische Technik | Verfahren zum Betrieb eines Hörhilfegerätes oder Hörgerätessystems sowie Hörhilfegerät oder Hörgerätesystem |
US7020605B2 (en) | 2000-09-15 | 2006-03-28 | Mindspeed Technologies, Inc. | Speech coding system with time-domain noise attenuation |
WO2002029780A2 (en) | 2000-10-04 | 2002-04-11 | Clarity, Llc | Speech detection with source separation |
US7092882B2 (en) | 2000-12-06 | 2006-08-15 | Ncr Corporation | Noise suppression in beam-steered microphone array |
US20020133334A1 (en) | 2001-02-02 | 2002-09-19 | Geert Coorman | Time scale modification of digitally sampled waveforms in the time domain |
US7617099B2 (en) * | 2001-02-12 | 2009-11-10 | FortMedia Inc. | Noise suppression by two-channel tandem spectrum modification for speech signal in an automobile |
US7206418B2 (en) | 2001-02-12 | 2007-04-17 | Fortemedia, Inc. | Noise suppression for a wireless communication device |
US6915264B2 (en) | 2001-02-22 | 2005-07-05 | Lucent Technologies Inc. | Cochlear filter bank structure for determining masked thresholds for use in perceptual audio coding |
SE0101175D0 (sv) | 2001-04-02 | 2001-04-02 | Coding Technologies Sweden Ab | Aliasing reduction using complex-exponential-modulated filterbanks |
ATE338333T1 (de) | 2001-04-05 | 2006-09-15 | Koninkl Philips Electronics Nv | Zeitskalenmodifikation von signalen mit spezifischem verfahren je nach ermitteltem signaltyp |
DE10119277A1 (de) | 2001-04-20 | 2002-10-24 | Alcatel Sa | Verfahren zur Maskierung von Geräuschmodulationen und Störgeräuschen bei der Sprachübertragung |
EP1253581B1 (en) | 2001-04-27 | 2004-06-30 | CSEM Centre Suisse d'Electronique et de Microtechnique S.A. - Recherche et Développement | Method and system for speech enhancement in a noisy environment |
GB2375688B (en) | 2001-05-14 | 2004-09-29 | Motorola Ltd | Telephone apparatus and a communication method using such apparatus |
US6493668B1 (en) | 2001-06-15 | 2002-12-10 | Yigal Brandman | Speech feature extraction system |
US20040148166A1 (en) * | 2001-06-22 | 2004-07-29 | Huimin Zheng | Noise-stripping device |
AUPR612001A0 (en) | 2001-07-04 | 2001-07-26 | Soundscience@Wm Pty Ltd | System and method for directional noise monitoring |
US7142677B2 (en) | 2001-07-17 | 2006-11-28 | Clarity Technologies, Inc. | Directional sound acquisition |
US6584203B2 (en) | 2001-07-18 | 2003-06-24 | Agere Systems Inc. | Second-order adaptive differential microphone array |
JP2004537232A (ja) | 2001-07-20 | 2004-12-09 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 多数のマイクロフォンのエコーを抑圧する回路をポストプロセッサとして有する音響補強システム |
CA2354858A1 (en) | 2001-08-08 | 2003-02-08 | Dspfactory Ltd. | Subband directional audio signal processing using an oversampled filterbank |
WO2003028006A2 (en) | 2001-09-24 | 2003-04-03 | Clarity, Llc | Selective sound enhancement |
US6937978B2 (en) | 2001-10-30 | 2005-08-30 | Chungwa Telecom Co., Ltd. | Suppression system of background noise of speech signals and the method thereof |
US6792118B2 (en) | 2001-11-14 | 2004-09-14 | Applied Neurosystems Corporation | Computation of multi-sensor time delays |
US6785381B2 (en) | 2001-11-27 | 2004-08-31 | Siemens Information And Communication Networks, Inc. | Telephone having improved hands free operation audio quality and method of operation thereof |
US20030103632A1 (en) * | 2001-12-03 | 2003-06-05 | Rafik Goubran | Adaptive sound masking system and method |
US7315623B2 (en) | 2001-12-04 | 2008-01-01 | Harman Becker Automotive Systems Gmbh | Method for supressing surrounding noise in a hands-free device and hands-free device |
US7065485B1 (en) | 2002-01-09 | 2006-06-20 | At&T Corp | Enhancing speech intelligibility using variable-rate time-scale modification |
US8098844B2 (en) * | 2002-02-05 | 2012-01-17 | Mh Acoustics, Llc | Dual-microphone spatial noise suppression |
US7171008B2 (en) * | 2002-02-05 | 2007-01-30 | Mh Acoustics, Llc | Reducing noise in audio systems |
US20050228518A1 (en) | 2002-02-13 | 2005-10-13 | Applied Neurosystems Corporation | Filter set for frequency analysis |
EP1351544A3 (en) * | 2002-03-08 | 2008-03-19 | Gennum Corporation | Low-noise directional microphone system |
WO2003084103A1 (en) | 2002-03-22 | 2003-10-09 | Georgia Tech Research Corporation | Analog audio enhancement system using a noise suppression algorithm |
CN1643571A (zh) | 2002-03-27 | 2005-07-20 | 艾黎弗公司 | 用于与通信系统一起使用的麦克风和声音活动检测(vad)配置 |
JP2004023481A (ja) | 2002-06-17 | 2004-01-22 | Alpine Electronics Inc | 音響信号処理装置及び方法並びにオーディオ装置 |
US7242762B2 (en) | 2002-06-24 | 2007-07-10 | Freescale Semiconductor, Inc. | Monitoring and control of an adaptive filter in a communication system |
US7555434B2 (en) | 2002-07-19 | 2009-06-30 | Nec Corporation | Audio decoding device, decoding method, and program |
JP4227772B2 (ja) | 2002-07-19 | 2009-02-18 | 日本電気株式会社 | オーディオ復号装置と復号方法およびプログラム |
US20040078199A1 (en) | 2002-08-20 | 2004-04-22 | Hanoh Kremer | Method for auditory based noise reduction and an apparatus for auditory based noise reduction |
US6917688B2 (en) | 2002-09-11 | 2005-07-12 | Nanyang Technological University | Adaptive noise cancelling microphone system |
US7062040B2 (en) | 2002-09-20 | 2006-06-13 | Agere Systems Inc. | Suppression of echo signals and the like |
JP4348706B2 (ja) | 2002-10-08 | 2009-10-21 | 日本電気株式会社 | アレイ装置および携帯端末 |
US7146316B2 (en) | 2002-10-17 | 2006-12-05 | Clarity Technologies, Inc. | Noise reduction in subbanded speech signals |
US7092529B2 (en) | 2002-11-01 | 2006-08-15 | Nanyang Technological University | Adaptive control system for noise cancellation |
US7174022B1 (en) | 2002-11-15 | 2007-02-06 | Fortemedia, Inc. | Small array microphone for beam-forming and noise suppression |
EP1432222A1 (de) * | 2002-12-20 | 2004-06-23 | Siemens Aktiengesellschaft | Echounterdrückung für komprimierte Spache |
US8271279B2 (en) | 2003-02-21 | 2012-09-18 | Qnx Software Systems Limited | Signature noise removal |
US7949522B2 (en) * | 2003-02-21 | 2011-05-24 | Qnx Software Systems Co. | System for suppressing rain noise |
US7885420B2 (en) | 2003-02-21 | 2011-02-08 | Qnx Software Systems Co. | Wind noise suppression system |
GB2398913B (en) | 2003-02-27 | 2005-08-17 | Motorola Inc | Noise estimation in speech recognition |
FR2851879A1 (fr) | 2003-02-27 | 2004-09-03 | France Telecom | Procede de traitement de donnees sonores compressees, pour spatialisation. |
US7233832B2 (en) | 2003-04-04 | 2007-06-19 | Apple Inc. | Method and apparatus for expanding audio data |
US7428000B2 (en) | 2003-06-26 | 2008-09-23 | Microsoft Corp. | System and method for distributed meetings |
TWI221561B (en) | 2003-07-23 | 2004-10-01 | Ali Corp | Nonlinear overlap method for time scaling |
DE10339973A1 (de) | 2003-08-29 | 2005-03-17 | Daimlerchrysler Ag | Intelligentes akustisches Mikrofon-Frontend mit Spracherkenner-Feedback |
US7099821B2 (en) | 2003-09-12 | 2006-08-29 | Softmax, Inc. | Separation of target acoustic signals in a multi-transducer arrangement |
US20070067166A1 (en) | 2003-09-17 | 2007-03-22 | Xingde Pan | Method and device of multi-resolution vector quantilization for audio encoding and decoding |
JP2005110127A (ja) | 2003-10-01 | 2005-04-21 | Canon Inc | 風雑音検出装置及びそれを有するビデオカメラ装置 |
JP4396233B2 (ja) | 2003-11-13 | 2010-01-13 | パナソニック株式会社 | 複素指数変調フィルタバンクの信号分析方法、信号合成方法、そのプログラム及びその記録媒体 |
US6982377B2 (en) | 2003-12-18 | 2006-01-03 | Texas Instruments Incorporated | Time-scale modification of music signals based on polyphase filterbanks and constrained time-domain processing |
JP4162604B2 (ja) | 2004-01-08 | 2008-10-08 | 株式会社東芝 | 雑音抑圧装置及び雑音抑圧方法 |
US7499686B2 (en) | 2004-02-24 | 2009-03-03 | Microsoft Corporation | Method and apparatus for multi-sensory speech enhancement on a mobile device |
EP1581026B1 (en) | 2004-03-17 | 2015-11-11 | Nuance Communications, Inc. | Method for detecting and reducing noise from a microphone array |
US20050288923A1 (en) | 2004-06-25 | 2005-12-29 | The Hong Kong University Of Science And Technology | Speech enhancement by noise masking |
US8340309B2 (en) | 2004-08-06 | 2012-12-25 | Aliphcom, Inc. | Noise suppressing multi-microphone headset |
JP2008512888A (ja) | 2004-09-07 | 2008-04-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 改善した雑音抑圧を有する電話装置 |
DE602004015987D1 (de) | 2004-09-23 | 2008-10-02 | Harman Becker Automotive Sys | Mehrkanalige adaptive Sprachsignalverarbeitung mit Rauschunterdrückung |
US7383179B2 (en) | 2004-09-28 | 2008-06-03 | Clarity Technologies, Inc. | Method of cascading noise reduction algorithms to avoid speech distortion |
US8170879B2 (en) | 2004-10-26 | 2012-05-01 | Qnx Software Systems Limited | Periodic signal enhancement system |
US20060133621A1 (en) | 2004-12-22 | 2006-06-22 | Broadcom Corporation | Wireless telephone having multiple microphones |
US20070116300A1 (en) | 2004-12-22 | 2007-05-24 | Broadcom Corporation | Channel decoding for wireless telephones with multiple microphones and multiple description transmission |
US20060149535A1 (en) | 2004-12-30 | 2006-07-06 | Lg Electronics Inc. | Method for controlling speed of audio signals |
US20060184363A1 (en) | 2005-02-17 | 2006-08-17 | Mccree Alan | Noise suppression |
JP4670483B2 (ja) * | 2005-05-31 | 2011-04-13 | 日本電気株式会社 | 雑音抑圧の方法及び装置 |
US8311819B2 (en) | 2005-06-15 | 2012-11-13 | Qnx Software Systems Limited | System for detecting speech with background voice estimates and noise estimates |
WO2007003683A1 (en) | 2005-06-30 | 2007-01-11 | Nokia Corporation | System for conference call and corresponding devices, method and program products |
US7464029B2 (en) | 2005-07-22 | 2008-12-09 | Qualcomm Incorporated | Robust separation of speech signals in a noisy environment |
JP4765461B2 (ja) | 2005-07-27 | 2011-09-07 | 日本電気株式会社 | 雑音抑圧システムと方法及びプログラム |
US7917561B2 (en) | 2005-09-16 | 2011-03-29 | Coding Technologies Ab | Partially complex modulated filter bank |
US7957960B2 (en) | 2005-10-20 | 2011-06-07 | Broadcom Corporation | Audio time scale modification using decimation-based synchronized overlap-add algorithm |
US7565288B2 (en) | 2005-12-22 | 2009-07-21 | Microsoft Corporation | Spatial noise suppression for a microphone array |
US8345890B2 (en) | 2006-01-05 | 2013-01-01 | Audience, Inc. | System and method for utilizing inter-microphone level differences for speech enhancement |
CN1809105B (zh) | 2006-01-13 | 2010-05-12 | 北京中星微电子有限公司 | 适用于小型移动通信设备的双麦克语音增强方法及系统 |
US9185487B2 (en) | 2006-01-30 | 2015-11-10 | Audience, Inc. | System and method for providing noise suppression utilizing null processing noise subtraction |
US8194880B2 (en) | 2006-01-30 | 2012-06-05 | Audience, Inc. | System and method for utilizing omni-directional microphones for speech enhancement |
US8744844B2 (en) | 2007-07-06 | 2014-06-03 | Audience, Inc. | System and method for adaptive intelligent noise suppression |
US20070195968A1 (en) | 2006-02-07 | 2007-08-23 | Jaber Associates, L.L.C. | Noise suppression method and system with single microphone |
EP1827002A1 (en) * | 2006-02-22 | 2007-08-29 | Alcatel Lucent | Method of controlling an adaptation of a filter |
JP2007270061A (ja) | 2006-03-31 | 2007-10-18 | Nippon Oil Corp | 液体燃料基材の製造方法 |
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 |
JP5053587B2 (ja) | 2006-07-31 | 2012-10-17 | 東亞合成株式会社 | 水酸化アルカリ金属の高純度製造方法 |
KR100883652B1 (ko) | 2006-08-03 | 2009-02-18 | 삼성전자주식회사 | 음성 구간 검출 방법 및 장치, 및 이를 이용한 음성 인식시스템 |
JP4184400B2 (ja) | 2006-10-06 | 2008-11-19 | 誠 植村 | 地下構造物の構築方法 |
TWI312500B (en) | 2006-12-08 | 2009-07-21 | Micro Star Int Co Ltd | Method of varying speech speed |
US8488803B2 (en) | 2007-05-25 | 2013-07-16 | Aliphcom | Wind suppression/replacement component for use with electronic systems |
US20090012786A1 (en) | 2007-07-06 | 2009-01-08 | Texas Instruments Incorporated | Adaptive Noise Cancellation |
KR101444100B1 (ko) | 2007-11-15 | 2014-09-26 | 삼성전자주식회사 | 혼합 사운드로부터 잡음을 제거하는 방법 및 장치 |
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 |
US8131541B2 (en) | 2008-04-25 | 2012-03-06 | Cambridge Silicon Radio Limited | Two microphone noise reduction system |
US20110178800A1 (en) | 2010-01-19 | 2011-07-21 | Lloyd Watts | Distortion Measurement for Noise Suppression System |
US9099077B2 (en) * | 2010-06-04 | 2015-08-04 | Apple Inc. | Active noise cancellation decisions using a degraded reference |
US8744091B2 (en) * | 2010-11-12 | 2014-06-03 | Apple Inc. | Intelligibility control using ambient noise detection |
-
2007
- 2007-07-06 US US11/825,563 patent/US8744844B2/en active Active
-
2008
- 2008-07-03 KR KR1020107000194A patent/KR101461141B1/ko not_active IP Right Cessation
- 2008-07-03 WO PCT/US2008/008249 patent/WO2009008998A1/en active Application Filing
- 2008-07-03 JP JP2010514871A patent/JP2010532879A/ja active Pending
- 2008-07-04 TW TW097125481A patent/TWI463817B/zh not_active IP Right Cessation
-
2010
- 2010-01-04 FI FI20100001A patent/FI124716B/fi not_active IP Right Cessation
-
2012
- 2012-03-21 US US13/426,436 patent/US8886525B2/en not_active Expired - Fee Related
-
2014
- 2014-08-15 JP JP2014165477A patent/JP2014232331A/ja active Pending
- 2014-09-24 US US14/495,550 patent/US20160066089A1/en not_active Abandoned
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07248793A (ja) * | 1994-03-08 | 1995-09-26 | Mitsubishi Electric Corp | 雑音抑圧音声分析装置及び雑音抑圧音声合成装置及び音声伝送システム |
JPH1174822A (ja) * | 1997-06-25 | 1999-03-16 | Lg Electron Inc | 音響反響制御システム、音響反響制御システムの同時通話検出器及び音響反響制御システムの同時通話制御方法 |
JP2003514473A (ja) * | 1999-11-15 | 2003-04-15 | ノキア コーポレイション | ノイズ抑制 |
JP2001159899A (ja) * | 1999-12-01 | 2001-06-12 | Matsushita Electric Ind Co Ltd | 騒音抑圧装置 |
JP2002366200A (ja) * | 2001-06-06 | 2002-12-20 | Mitsubishi Electric Corp | 雑音抑圧装置 |
JP2003140700A (ja) * | 2001-11-05 | 2003-05-16 | Nec Corp | ノイズ除去方法及び装置 |
JP2004187283A (ja) * | 2002-11-18 | 2004-07-02 | Matsushita Electric Ind Co Ltd | マイクロホン装置および再生装置 |
JP2004214784A (ja) * | 2002-12-27 | 2004-07-29 | Matsushita Electric Ind Co Ltd | 雑音抑圧装置 |
JP2005165021A (ja) * | 2003-12-03 | 2005-06-23 | Fujitsu Ltd | 雑音低減装置、および低減方法 |
WO2006046293A1 (ja) * | 2004-10-28 | 2006-05-04 | Fujitsu Limited | 雑音抑圧装置 |
WO2006070560A1 (ja) * | 2004-12-28 | 2006-07-06 | Pioneer Corporation | 雑音抑圧装置、雑音抑圧方法、雑音抑圧プログラムおよびコンピュータに読み取り可能な記録媒体 |
JP2007006525A (ja) * | 2006-08-24 | 2007-01-11 | Nec Corp | ノイズ除去の方法及び装置 |
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Also Published As
Publication number | Publication date |
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TWI463817B (zh) | 2014-12-01 |
FI124716B (fi) | 2014-12-31 |
WO2009008998A1 (en) | 2009-01-15 |
KR20100041741A (ko) | 2010-04-22 |
US20160066089A1 (en) | 2016-03-03 |
US20090012783A1 (en) | 2009-01-08 |
FI20100001A (fi) | 2010-01-04 |
JP2014232331A (ja) | 2014-12-11 |
US20120179462A1 (en) | 2012-07-12 |
US8886525B2 (en) | 2014-11-11 |
KR101461141B1 (ko) | 2014-11-13 |
US8744844B2 (en) | 2014-06-03 |
TW200910793A (en) | 2009-03-01 |
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