FI103930B1 - Äänisignaalin käsittelylaite ja -menetelmä - Google Patents

Äänisignaalin käsittelylaite ja -menetelmä

Info

Publication number
FI103930B1
FI103930B1 FI910679A FI910679A FI103930B1 FI 103930 B1 FI103930 B1 FI 103930B1 FI 910679 A FI910679 A FI 910679A FI 910679 A FI910679 A FI 910679A FI 103930 B1 FI103930 B1 FI 103930B1
Authority
FI
Finland
Prior art keywords
processing device
signal processing
audio signal
audio
signal
Prior art date
Application number
FI910679A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI910679A (fi
FI910679A0 (fi
FI103930B (fi
Inventor
Joji Kane
Akira Nohara
Original Assignee
Matsushita Electric Ind 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
Priority claimed from JP3321090A external-priority patent/JP2959791B2/ja
Priority claimed from JP2033211A external-priority patent/JP2959792B2/ja
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of FI910679A0 publication Critical patent/FI910679A0/fi
Publication of FI910679A publication Critical patent/FI910679A/fi
Application granted granted Critical
Publication of FI103930B1 publication Critical patent/FI103930B1/fi
Publication of FI103930B publication Critical patent/FI103930B/fi

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
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
    • 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
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Selective Calling Equipment (AREA)
  • Communication Control (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FI910679A 1990-02-13 1991-02-12 Äänisignaalin käsittelylaite ja -menetelmä FI103930B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3321090A JP2959791B2 (ja) 1990-02-13 1990-02-13 音声信号処理装置
JP2033211A JP2959792B2 (ja) 1990-02-13 1990-02-13 音声信号処理装置

Publications (4)

Publication Number Publication Date
FI910679A0 FI910679A0 (fi) 1991-02-12
FI910679A FI910679A (fi) 1991-08-14
FI103930B1 true FI103930B1 (fi) 1999-10-15
FI103930B FI103930B (fi) 1999-10-15

Family

ID=26371868

Family Applications (1)

Application Number Title Priority Date Filing Date
FI910679A FI103930B (fi) 1990-02-13 1991-02-12 Äänisignaalin käsittelylaite ja -menetelmä

Country Status (9)

Country Link
US (1) US5204906A (ko)
EP (1) EP0442342B1 (ko)
KR (1) KR960005740B1 (ko)
AU (1) AU635600B2 (ko)
CA (1) CA2036199C (ko)
DE (1) DE69105154T2 (ko)
FI (1) FI103930B (ko)
HK (1) HK185195A (ko)
NO (1) NO306360B1 (ko)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07104788A (ja) * 1993-10-06 1995-04-21 Technol Res Assoc Of Medical & Welfare Apparatus 音声強調処理装置
JP3397568B2 (ja) * 1996-03-25 2003-04-14 キヤノン株式会社 音声認識方法及び装置
WO1997037345A1 (en) * 1996-03-29 1997-10-09 British Telecommunications Public Limited Company Speech processing
US6453288B1 (en) 1996-11-07 2002-09-17 Matsushita Electric Industrial Co., Ltd. Method and apparatus for producing component of excitation vector
JPH10247869A (ja) * 1997-03-04 1998-09-14 Nec Corp ダイバーシティ回路
DE19854341A1 (de) 1998-11-25 2000-06-08 Alcatel Sa Verfahren und Schaltungsanordnung zur Sprachpegelmessung in einem Sprachsignalverarbeitungssystem
AU4627801A (en) * 2001-04-11 2001-07-09 Phonak Ag Method for the elimination of noise signal components in an input signal for an auditory system, use of said method and hearing aid
US20040102965A1 (en) * 2002-11-21 2004-05-27 Rapoport Ezra J. Determining a pitch period
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
US8880396B1 (en) * 2010-04-28 2014-11-04 Audience, Inc. Spectrum reconstruction for automatic speech recognition
DE102011006472B4 (de) 2011-03-31 2013-08-14 Siemens Medical Instruments Pte. Ltd. Verfahren zur Verbesserung der Sprachverständlichkeit mit einem Hörhilfegerät sowie Hörhilfegerät
DE102011006515A1 (de) 2011-03-31 2012-10-04 Siemens Medical Instruments Pte. Ltd. Verfahren zur Verbesserung der Sprachverständlichkeit mit einem Hörhilfegerät sowie Hörhilfegerät
DE102011006511B4 (de) 2011-03-31 2016-07-14 Sivantos Pte. Ltd. Hörhilfegerät sowie Verfahren zum Betrieb eines Hörhilfegeräts
KR101247652B1 (ko) * 2011-08-30 2013-04-01 광주과학기술원 잡음 제거 장치 및 방법
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
JP2015169827A (ja) * 2014-03-07 2015-09-28 富士通株式会社 音声処理装置、音声処理方法および音声処理プログラム
US9978388B2 (en) 2014-09-12 2018-05-22 Knowles Electronics, Llc Systems and methods for restoration of speech components
US9820042B1 (en) 2016-05-02 2017-11-14 Knowles Electronics, Llc Stereo separation and directional suppression with omni-directional microphones

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566035A (en) * 1969-07-17 1971-02-23 Bell Telephone Labor Inc Real time cepstrum analyzer
US4058676A (en) * 1975-07-07 1977-11-15 International Communication Sciences Speech analysis and synthesis system
US4630305A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
EP0309561B1 (en) * 1987-04-03 1992-12-09 AT&T Corp. An adaptive threshold voiced detector

Also Published As

Publication number Publication date
KR910015962A (ko) 1991-09-30
FI910679A (fi) 1991-08-14
NO910535L (no) 1991-08-14
US5204906A (en) 1993-04-20
DE69105154T2 (de) 1995-03-23
CA2036199C (en) 1997-09-30
HK185195A (en) 1995-12-15
NO910535D0 (no) 1991-02-11
FI910679A0 (fi) 1991-02-12
AU6927891A (en) 1991-08-15
EP0442342B1 (en) 1994-11-17
AU635600B2 (en) 1993-03-25
KR960005740B1 (ko) 1996-05-01
EP0442342A1 (en) 1991-08-21
FI103930B (fi) 1999-10-15
NO306360B1 (no) 1999-10-25
CA2036199A1 (en) 1991-08-14
DE69105154D1 (de) 1994-12-22

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Legal Events

Date Code Title Description
MA Patent expired