DE69132659D1 - Vorrichtung zur Sprachsignalverarbeitung für die Bestimmung eines Sprachsignals in einem verrauschten Sprachsignal - Google Patents

Vorrichtung zur Sprachsignalverarbeitung für die Bestimmung eines Sprachsignals in einem verrauschten Sprachsignal

Info

Publication number
DE69132659D1
DE69132659D1 DE69132659T DE69132659T DE69132659D1 DE 69132659 D1 DE69132659 D1 DE 69132659D1 DE 69132659 T DE69132659 T DE 69132659T DE 69132659 T DE69132659 T DE 69132659T DE 69132659 D1 DE69132659 D1 DE 69132659D1
Authority
DE
Germany
Prior art keywords
speech signal
determining
noisy
signal processing
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.)
Expired - Fee Related
Application number
DE69132659T
Other languages
English (en)
Other versions
DE69132659T2 (de
Inventor
Joji Kane
Akira Nohara
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69132659D1 publication Critical patent/DE69132659D1/de
Application granted granted Critical
Publication of DE69132659T2 publication Critical patent/DE69132659T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G10L15/00—Speech recognition
    • G10L15/20—Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech
    • 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
    • G10L13/00—Speech synthesis; Text to speech systems
    • 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
    • G10L21/0272—Voice signal separating
    • 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
    • G10L25/78—Detection of presence or absence of voice signals
    • 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
    • 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
    • G10L25/12—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 prediction coefficients
    • 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
    • G10L25/24—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 the cepstrum

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
DE69132659T 1990-05-28 1991-05-28 Vorrichtung zur Sprachsignalverarbeitung für die Bestimmung eines Sprachsignals in einem verrauschten Sprachsignal Expired - Fee Related DE69132659T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP13806790 1990-05-28
JP13805390 1990-05-28
JP13806190 1990-05-28
JP13806390 1990-05-28
JP13806290 1990-05-28

Publications (2)

Publication Number Publication Date
DE69132659D1 true DE69132659D1 (de) 2001-08-16
DE69132659T2 DE69132659T2 (de) 2002-05-02

Family

ID=27527503

Family Applications (5)

Application Number Title Priority Date Filing Date
DE69132749T Expired - Fee Related DE69132749T2 (de) 1990-05-28 1991-05-28 Vorrichtung zur Sprachsignalverarbeitung für die Bestimmung eines Sprachsignals in einem verrauschten Sprachsignal
DE69132644T Expired - Fee Related DE69132644T2 (de) 1990-05-28 1991-05-28 Vorrichtung zur Sprachsignalverarbeitung für die Bestimmung eines Sprachsignals
DE69131739T Expired - Fee Related DE69131739T2 (de) 1990-05-28 1991-05-28 Einrichtung zur Sprachsignalverarbeitung für die Bestimmung eines Sprachsignals in einem verrauschten Sprachsignal
DE69132645T Expired - Fee Related DE69132645T2 (de) 1990-05-28 1991-05-28 Vorrichtung zur Sprachsignalverarbeitung für die Bestimmung eines Sprachsignals in einem verrauschten Sprachsignal
DE69132659T Expired - Fee Related DE69132659T2 (de) 1990-05-28 1991-05-28 Vorrichtung zur Sprachsignalverarbeitung für die Bestimmung eines Sprachsignals in einem verrauschten Sprachsignal

Family Applications Before (4)

Application Number Title Priority Date Filing Date
DE69132749T Expired - Fee Related DE69132749T2 (de) 1990-05-28 1991-05-28 Vorrichtung zur Sprachsignalverarbeitung für die Bestimmung eines Sprachsignals in einem verrauschten Sprachsignal
DE69132644T Expired - Fee Related DE69132644T2 (de) 1990-05-28 1991-05-28 Vorrichtung zur Sprachsignalverarbeitung für die Bestimmung eines Sprachsignals
DE69131739T Expired - Fee Related DE69131739T2 (de) 1990-05-28 1991-05-28 Einrichtung zur Sprachsignalverarbeitung für die Bestimmung eines Sprachsignals in einem verrauschten Sprachsignal
DE69132645T Expired - Fee Related DE69132645T2 (de) 1990-05-28 1991-05-28 Vorrichtung zur Sprachsignalverarbeitung für die Bestimmung eines Sprachsignals in einem verrauschten Sprachsignal

Country Status (4)

Country Link
US (4) US5355431A (de)
EP (5) EP0763812B1 (de)
KR (1) KR950013552B1 (de)
DE (5) DE69132749T2 (de)

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Also Published As

Publication number Publication date
DE69132749D1 (de) 2001-10-31
EP0763811A1 (de) 1997-03-19
EP0763813B1 (de) 2001-07-11
US5355431A (en) 1994-10-11
DE69131739D1 (de) 1999-12-02
EP0459382B1 (de) 1999-10-27
US5630015A (en) 1997-05-13
EP0763812A1 (de) 1997-03-19
US5621850A (en) 1997-04-15
EP0459382A2 (de) 1991-12-04
EP0763810A1 (de) 1997-03-19
DE69131739T2 (de) 2001-10-04
KR950013552B1 (ko) 1995-11-08
DE69132645T2 (de) 2002-04-18
KR910020642A (ko) 1991-12-20
EP0459382A3 (en) 1993-03-03
EP0763813A1 (de) 1997-03-19
DE69132749T2 (de) 2002-07-04
EP0763810B1 (de) 2001-09-26
DE69132644T2 (de) 2002-05-29
DE69132644D1 (de) 2001-07-26
DE69132645D1 (de) 2001-07-26
EP0763812B1 (de) 2001-06-20
US5617505A (en) 1997-04-01
DE69132659T2 (de) 2002-05-02
EP0763811B1 (de) 2001-06-20

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee