DE602008002695D1 - Postfilter für einen Strahlformer in der Sprachverarbeitung - Google Patents

Postfilter für einen Strahlformer in der Sprachverarbeitung

Info

Publication number
DE602008002695D1
DE602008002695D1 DE602008002695T DE602008002695T DE602008002695D1 DE 602008002695 D1 DE602008002695 D1 DE 602008002695D1 DE 602008002695 T DE602008002695 T DE 602008002695T DE 602008002695 T DE602008002695 T DE 602008002695T DE 602008002695 D1 DE602008002695 D1 DE 602008002695D1
Authority
DE
Germany
Prior art keywords
postfilter
beamformer
speech processing
speech
processing
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.)
Active
Application number
DE602008002695T
Other languages
English (en)
Inventor
Markus Buck
Klaus Scheufele
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harman Becker Automotive Systems GmbH
Original Assignee
Harman Becker Automotive Systems GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harman Becker Automotive Systems GmbH filed Critical Harman Becker Automotive Systems GmbH
Publication of DE602008002695D1 publication Critical patent/DE602008002695D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02166—Microphone arrays; Beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
DE602008002695T 2008-01-17 2008-01-17 Postfilter für einen Strahlformer in der Sprachverarbeitung Active DE602008002695D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08000870A EP2081189B1 (de) 2008-01-17 2008-01-17 Postfilter für einen Strahlformer in der Sprachverarbeitung

Publications (1)

Publication Number Publication Date
DE602008002695D1 true DE602008002695D1 (de) 2010-11-04

Family

ID=39415375

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008002695T Active DE602008002695D1 (de) 2008-01-17 2008-01-17 Postfilter für einen Strahlformer in der Sprachverarbeitung

Country Status (3)

Country Link
US (1) US8392184B2 (de)
EP (1) EP2081189B1 (de)
DE (1) DE602008002695D1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2395506T3 (da) * 2010-06-09 2012-09-10 Siemens Medical Instr Pte Ltd Fremgangsmåde og system til behandling af akustisk signal til undertrykkelse af interferens og støj i binaurale mikrofonkonfigurationer
US8818800B2 (en) 2011-07-29 2014-08-26 2236008 Ontario Inc. Off-axis audio suppressions in an automobile cabin
DE102013205790B4 (de) * 2013-04-02 2017-07-06 Sivantos Pte. Ltd. Verfahren zum Schätzen eines Nutzsignals und Hörvorrichtung
US20150063589A1 (en) * 2013-08-28 2015-03-05 Csr Technology Inc. Method, apparatus, and manufacture of adaptive null beamforming for a two-microphone array
JP2016042132A (ja) * 2014-08-18 2016-03-31 ソニー株式会社 音声処理装置、音声処理方法、並びにプログラム
GB2549922A (en) 2016-01-27 2017-11-08 Nokia Technologies Oy Apparatus, methods and computer computer programs for encoding and decoding audio signals
US9721582B1 (en) 2016-02-03 2017-08-01 Google Inc. Globally optimized least-squares post-filtering for speech enhancement
US10249305B2 (en) * 2016-05-19 2019-04-02 Microsoft Technology Licensing, Llc Permutation invariant training for talker-independent multi-talker speech separation
US10789949B2 (en) * 2017-06-20 2020-09-29 Bose Corporation Audio device with wakeup word detection
CN107945815B (zh) * 2017-11-27 2021-09-07 歌尔科技有限公司 语音信号降噪方法及设备
US10679617B2 (en) 2017-12-06 2020-06-09 Synaptics Incorporated Voice enhancement in audio signals through modified generalized eigenvalue beamformer
US10957337B2 (en) 2018-04-11 2021-03-23 Microsoft Technology Licensing, Llc Multi-microphone speech separation
JP7407580B2 (ja) 2018-12-06 2024-01-04 シナプティクス インコーポレイテッド システム、及び、方法
US11380312B1 (en) * 2019-06-20 2022-07-05 Amazon Technologies, Inc. Residual echo suppression for keyword detection
US11064294B1 (en) 2020-01-10 2021-07-13 Synaptics Incorporated Multiple-source tracking and voice activity detections for planar microphone arrays
CN112420068B (zh) * 2020-10-23 2022-05-03 四川长虹电器股份有限公司 一种基于Mel频率尺度分频的快速自适应波束形成方法
US11823707B2 (en) 2022-01-10 2023-11-21 Synaptics Incorporated Sensitivity mode for an audio spotting system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004537233A (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 エコー抑圧回路及びラウドスピーカ・ビームフォーマを有する音響補強システム
JP2003271191A (ja) * 2002-03-15 2003-09-25 Toshiba Corp 音声認識用雑音抑圧装置及び方法、音声認識装置及び方法並びにプログラム
GB2398913B (en) * 2003-02-27 2005-08-17 Motorola Inc Noise estimation in speech recognition
DK1509065T3 (da) * 2003-08-21 2006-08-07 Bernafon Ag Fremgangsmåde til behandling af audiosignaler
US7099821B2 (en) * 2003-09-12 2006-08-29 Softmax, Inc. Separation of target acoustic signals in a multi-transducer arrangement
US7813923B2 (en) * 2005-10-14 2010-10-12 Microsoft Corporation Calibration based beamforming, non-linear adaptive filtering, and multi-sensor headset
US8954324B2 (en) * 2007-09-28 2015-02-10 Qualcomm Incorporated Multiple microphone voice activity detector

Also Published As

Publication number Publication date
EP2081189B1 (de) 2010-09-22
EP2081189A1 (de) 2009-07-22
US8392184B2 (en) 2013-03-05
US20090192796A1 (en) 2009-07-30

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