DE502006004136D1 - Verfahren und vorrichtung zur geräuschunterdrückung - Google Patents

Verfahren und vorrichtung zur geräuschunterdrückung

Info

Publication number
DE502006004136D1
DE502006004136D1 DE502006004136T DE502006004136T DE502006004136D1 DE 502006004136 D1 DE502006004136 D1 DE 502006004136D1 DE 502006004136 T DE502006004136 T DE 502006004136T DE 502006004136 T DE502006004136 T DE 502006004136T DE 502006004136 D1 DE502006004136 D1 DE 502006004136D1
Authority
DE
Germany
Prior art keywords
signal portion
decoded signal
energy envelope
envelope generating
tdac
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
DE502006004136T
Other languages
English (en)
Inventor
Martin Gartner
Stefan Schandl
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.)
Siemens AG
Original Assignee
Siemens AG
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
Priority claimed from DE102005019863A external-priority patent/DE102005019863A1/de
Priority claimed from DE200510032079 external-priority patent/DE102005032079A1/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of DE502006004136D1 publication Critical patent/DE502006004136D1/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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Treating Waste Gases (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Filters And Equalizers (AREA)
  • Analogue/Digital Conversion (AREA)
DE502006004136T 2005-04-28 2006-04-12 Verfahren und vorrichtung zur geräuschunterdrückung Active DE502006004136D1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102005019863A DE102005019863A1 (de) 2005-04-28 2005-04-28 Verfahren und Vorrichtung zur Geräuschunterdrückung
DE102005028182 2005-06-17
DE200510032079 DE102005032079A1 (de) 2005-07-08 2005-07-08 Verfahren und Vorrichtung zur Geräuschunterdrückung
PCT/EP2006/061537 WO2006114368A1 (de) 2005-04-28 2006-04-12 Verfahren und vorrichtung zur geräuschunterdrückung

Publications (1)

Publication Number Publication Date
DE502006004136D1 true DE502006004136D1 (de) 2009-08-13

Family

ID=36621841

Family Applications (1)

Application Number Title Priority Date Filing Date
DE502006004136T Active DE502006004136D1 (de) 2005-04-28 2006-04-12 Verfahren und vorrichtung zur geräuschunterdrückung

Country Status (11)

Country Link
US (1) US8612236B2 (de)
EP (2) EP1953739B1 (de)
JP (1) JP4819881B2 (de)
KR (1) KR100915726B1 (de)
AT (1) ATE435481T1 (de)
CA (1) CA2574468C (de)
DE (1) DE502006004136D1 (de)
DK (1) DK1869671T3 (de)
ES (1) ES2327566T3 (de)
PL (1) PL1869671T3 (de)
WO (1) WO2006114368A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2897733A1 (fr) * 2006-02-20 2007-08-24 France Telecom Procede de discrimination et d'attenuation fiabilisees des echos d'un signal numerique dans un decodeur et dispositif correspondant
US20090006081A1 (en) * 2007-06-27 2009-01-01 Samsung Electronics Co., Ltd. Method, medium and apparatus for encoding and/or decoding signal
CN102160114B (zh) * 2008-09-17 2012-08-29 法国电信公司 用于对数字音频信号中的前回声进行衰减的方法和装置
AU2010309838B2 (en) * 2009-10-20 2014-05-08 Dolby International Ab Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation
KR101414305B1 (ko) * 2009-10-20 2014-07-02 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 저 지연 애플리케이션들에서 사용하기 위한 오디오 신호 인코더, 오디오 신호 디코더, 오디오 콘텐츠의 인코딩된 표현을 제공하는 방법, 오디오 콘텐츠의 디코딩된 표현을 제공하는 방법 및 컴퓨터 프로그램
WO2011048798A1 (ja) 2009-10-20 2011-04-28 パナソニック株式会社 符号化装置、復号化装置およびこれらの方法
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
US8798290B1 (en) 2010-04-21 2014-08-05 Audience, Inc. Systems and methods for adaptive signal equalization
US9558755B1 (en) 2010-05-20 2017-01-31 Knowles Electronics, Llc Noise suppression assisted automatic speech recognition
CN101908342B (zh) * 2010-07-23 2012-09-26 北京理工大学 利用频域滤波后处理进行音频暂态信号预回声抑制的方法
US8615394B1 (en) * 2012-01-27 2013-12-24 Audience, Inc. Restoration of noise-reduced speech
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
US9978388B2 (en) 2014-09-12 2018-05-22 Knowles Electronics, Llc Systems and methods for restoration of speech components
CN107210824A (zh) 2015-01-30 2017-09-26 美商楼氏电子有限公司 麦克风的环境切换
US9820042B1 (en) 2016-05-02 2017-11-14 Knowles Electronics, Llc Stereo separation and directional suppression with omni-directional microphones

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3317470B2 (ja) 1995-03-28 2002-08-26 日本電信電話株式会社 音響信号符号化方法、音響信号復号化方法
US5825320A (en) * 1996-03-19 1998-10-20 Sony Corporation Gain control method for audio encoding device
DE19736669C1 (de) * 1997-08-22 1998-10-22 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Erfassen eines Anschlags in einem zeitdiskreten Audiosignal sowie Vorrichtung und Verfahren zum Codieren eines Audiosignals
US6169971B1 (en) * 1997-12-03 2001-01-02 Glenayre Electronics, Inc. Method to suppress noise in digital voice processing
US6415253B1 (en) * 1998-02-20 2002-07-02 Meta-C Corporation Method and apparatus for enhancing noise-corrupted speech
US6453289B1 (en) * 1998-07-24 2002-09-17 Hughes Electronics Corporation Method of noise reduction for speech codecs
US6442275B1 (en) * 1998-09-17 2002-08-27 Lucent Technologies Inc. Echo canceler including subband echo suppressor
US6353808B1 (en) * 1998-10-22 2002-03-05 Sony Corporation Apparatus and method for encoding a signal as well as apparatus and method for decoding a signal
EP1143229A1 (de) * 1998-12-07 2001-10-10 Mitsubishi Denki Kabushiki Kaisha Schalldekodiergerät und zugehöriges verfahren
US6978236B1 (en) * 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
US6757395B1 (en) * 2000-01-12 2004-06-29 Sonic Innovations, Inc. Noise reduction apparatus and method
US7058572B1 (en) * 2000-01-28 2006-06-06 Nortel Networks Limited Reducing acoustic noise in wireless and landline based telephony
FR2813722B1 (fr) * 2000-09-05 2003-01-24 France Telecom Procede et dispositif de dissimulation d'erreurs et systeme de transmission comportant un tel dispositif
JP4282227B2 (ja) * 2000-12-28 2009-06-17 日本電気株式会社 ノイズ除去の方法及び装置
SE522553C2 (sv) * 2001-04-23 2004-02-17 Ericsson Telefon Ab L M Bandbreddsutsträckning av akustiska signaler
US6658383B2 (en) * 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals
WO2003038813A1 (en) 2001-11-02 2003-05-08 Matsushita Electric Industrial Co., Ltd. Audio encoding and decoding device
JP4290917B2 (ja) * 2002-02-08 2009-07-08 株式会社エヌ・ティ・ティ・ドコモ 復号装置、符号化装置、復号方法、及び、符号化方法
US7146316B2 (en) * 2002-10-17 2006-12-05 Clarity Technologies, Inc. Noise reduction in subbanded speech signals
KR100547113B1 (ko) * 2003-02-15 2006-01-26 삼성전자주식회사 오디오 데이터 인코딩 장치 및 방법
ATE369602T1 (de) * 2003-08-18 2007-08-15 Koninkl Philips Electronics Nv Klickgeräusch-erkennung in einem digitalen audiosignal
EP1638083B1 (de) * 2004-09-17 2009-04-22 Harman Becker Automotive Systems GmbH Bandbreitenerweiterung von bandbegrenzten Tonsignalen
MX2007012185A (es) * 2005-04-01 2007-12-11 Qualcomm Inc Metodo y aparato para cuantificacion de vector de una representacion de envoltura espectral.

Also Published As

Publication number Publication date
CA2574468A1 (en) 2006-11-02
DK1869671T3 (da) 2009-10-19
ATE435481T1 (de) 2009-07-15
EP1869671A1 (de) 2007-12-26
KR100915726B1 (ko) 2009-09-04
PL1869671T3 (pl) 2009-12-31
JP2008539456A (ja) 2008-11-13
WO2006114368A1 (de) 2006-11-02
US8612236B2 (en) 2013-12-17
EP1953739A3 (de) 2008-10-08
JP4819881B2 (ja) 2011-11-24
CA2574468C (en) 2014-01-14
KR20070062493A (ko) 2007-06-15
US20070282604A1 (en) 2007-12-06
ES2327566T3 (es) 2009-10-30
EP1953739A2 (de) 2008-08-06
EP1869671B1 (de) 2009-07-01
EP1953739B1 (de) 2014-06-04

Similar Documents

Publication Publication Date Title
DE502006004136D1 (de) Verfahren und vorrichtung zur geräuschunterdrückung
DE502004009294D1 (de) Verfahren zur automatischen Verstärkungseinstellung in einem Hörhilfegerät sowie Hörhilfegerät
ATE407424T1 (de) Verfahren und vorrichtung zur künstlichen erweiterung der bandbreite von sprachsignalen
TW200707408A (en) Systems, methods, and apparatus for anti-sparseness filtering
EP2361430A4 (de) Vorrichtung, system und verfahren für den nachweis eines istzustands mittels sprachbiometrie
ATE531033T1 (de) System und verfahren zur verteilung einer spracherkennungsgrammatik
ATE535905T1 (de) Verfahren zur geräuschdämpfung eines audiosignals
UA94041C2 (ru) Способ и устройство для фильтрации, устраняющей разреженность
DE602004022862D1 (de) Verfahren und vorrichtung zur sprachverbesserung bei vorhandensein von hintergrundgeräuschen
ATE429011T1 (de) Bandbreitenerweiterung eines schmalbandigen akustischen signals
DE502005003436D1 (de) Verbesserung der Verständlichkeit von Sprache enthaltenden Audiosignalen
DE502007001153D1 (de) Verfahren zum Unterdrücken von Rückkopplungen und zur Spektralerweiterung bei Hörvorrichtungen
TW200715146A (en) System and method for detecting the recognizability of inputted speech signals
ATE517322T1 (de) Verfahren zur identifizierung einer signalquelle
DE502006006527D1 (de) Vorrichtung zur überprüfung des vorhandenseins von gegenständen
ATE492875T1 (de) Sprachanalysesystem
ATE319160T1 (de) Verfahren zur rauschrobusten klassifikation in der sprachkodierung
TW200705829A (en) Apparatus selectively adopting different determining criteria in erasure marking procedure when performing decoding process, and method thereof
ATE392674T1 (de) Verfahren und system zur erstellung und zur automatisierten überprüfung von elektronischen tickets
ATE368922T1 (de) System und verfahren zur audiosignalverarbeitung
TW200746842A (en) Apparatus for processing media signal and method thereof
DE502007001672D1 (de) Verfahren zur Hörgeräteanpassung
WO2015012680A3 (en) A method for speech watermarking in speaker verification
EP1727130A3 (de) Sprachdekodierverfahren und Sprachdekodierer
ATE515153T1 (de) Hörvorrichtung mit spezieller situationserkennungseinheit und verfahren zum betreiben einer hörvorrichtung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition