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CA2158064C - Traitement de la parole - Google Patents

Traitement de la parole Download PDF

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Publication number
CA2158064C
CA2158064C CA002158064A CA2158064A CA2158064C CA 2158064 C CA2158064 C CA 2158064C CA 002158064 A CA002158064 A CA 002158064A CA 2158064 A CA2158064 A CA 2158064A CA 2158064 C CA2158064 C CA 2158064C
Authority
CA
Canada
Prior art keywords
path
nodes
node
vocabulary
speech
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 - Lifetime
Application number
CA002158064A
Other languages
English (en)
Other versions
CA2158064A1 (fr
Inventor
Samuel Gavin Smyth
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.)
Cisco Technology Inc
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of CA2158064A1 publication Critical patent/CA2158064A1/fr
Application granted granted Critical
Publication of CA2158064C publication Critical patent/CA2158064C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G10L15/08—Speech classification or search
    • 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
    • G10L15/08—Speech classification or search
    • G10L15/14—Speech classification or search using statistical models, e.g. Hidden Markov Models [HMMs]
    • G10L15/142—Hidden Markov Models [HMMs]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Telephonic Communication Services (AREA)
  • Machine Translation (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Electrophonic Musical Instruments (AREA)
CA002158064A 1993-03-31 1994-03-31 Traitement de la parole Expired - Lifetime CA2158064C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP93302538.9 1993-03-31
EP93302538 1993-03-31
EP93304993 1993-06-25
EP93304993.4 1993-06-25
PCT/GB1994/000704 WO1994023424A1 (fr) 1993-03-31 1994-03-31 Traitement de la parole

Publications (2)

Publication Number Publication Date
CA2158064A1 CA2158064A1 (fr) 1994-10-13
CA2158064C true CA2158064C (fr) 2000-10-17

Family

ID=26134252

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002158064A Expired - Lifetime CA2158064C (fr) 1993-03-31 1994-03-31 Traitement de la parole

Country Status (11)

Country Link
JP (1) JPH08508350A (fr)
KR (1) KR100309205B1 (fr)
CN (1) CN1196104C (fr)
AU (1) AU682177B2 (fr)
CA (1) CA2158064C (fr)
DE (1) DE69416670T2 (fr)
FI (1) FI954572A7 (fr)
NO (1) NO308756B1 (fr)
NZ (1) NZ263223A (fr)
SG (1) SG47716A1 (fr)
WO (1) WO1994023424A1 (fr)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7610196B2 (en) 2004-10-26 2009-10-27 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US7680652B2 (en) 2004-10-26 2010-03-16 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US7716046B2 (en) 2004-10-26 2010-05-11 Qnx Software Systems (Wavemakers), Inc. Advanced periodic signal enhancement
US7725315B2 (en) 2003-02-21 2010-05-25 Qnx Software Systems (Wavemakers), Inc. Minimization of transient noises in a voice signal
US7885420B2 (en) 2003-02-21 2011-02-08 Qnx Software Systems Co. Wind noise suppression system
US7895036B2 (en) 2003-02-21 2011-02-22 Qnx Software Systems Co. System for suppressing wind noise
US7949520B2 (en) 2004-10-26 2011-05-24 QNX Software Sytems Co. Adaptive filter pitch extraction
US7949522B2 (en) 2003-02-21 2011-05-24 Qnx Software Systems Co. System for suppressing rain noise
US8073689B2 (en) 2003-02-21 2011-12-06 Qnx Software Systems Co. Repetitive transient noise removal
US8170879B2 (en) 2004-10-26 2012-05-01 Qnx Software Systems Limited Periodic signal enhancement system
US8209514B2 (en) 2008-02-04 2012-06-26 Qnx Software Systems Limited Media processing system having resource partitioning
US8271279B2 (en) 2003-02-21 2012-09-18 Qnx Software Systems Limited Signature noise removal
US8306821B2 (en) 2004-10-26 2012-11-06 Qnx Software Systems Limited Sub-band periodic signal enhancement system
US8311819B2 (en) 2005-06-15 2012-11-13 Qnx Software Systems Limited System for detecting speech with background voice estimates and noise estimates
US8326621B2 (en) 2003-02-21 2012-12-04 Qnx Software Systems Limited Repetitive transient noise removal
US8543390B2 (en) 2004-10-26 2013-09-24 Qnx Software Systems Limited Multi-channel periodic signal enhancement system
US8554564B2 (en) 2005-06-15 2013-10-08 Qnx Software Systems Limited Speech end-pointer
US8694310B2 (en) 2007-09-17 2014-04-08 Qnx Software Systems Limited Remote control server protocol system
US8850154B2 (en) 2007-09-11 2014-09-30 2236008 Ontario Inc. Processing system having memory partitioning
US8904400B2 (en) 2007-09-11 2014-12-02 2236008 Ontario Inc. Processing system having a partitioning component for resource partitioning

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE179543T1 (de) * 1995-03-07 1999-05-15 Siemens Ag Verfahren zur erkennung mindestens eines definierten, durch hidden-markov-modelle modellierten musters in einem zeitvarianten messignal, welches von mindestens einem störsignal überlagert wird
US7117149B1 (en) 1999-08-30 2006-10-03 Harman Becker Automotive Systems-Wavemakers, Inc. Sound source classification
US8284947B2 (en) 2004-12-01 2012-10-09 Qnx Software Systems Limited Reverberation estimation and suppression system
US8027833B2 (en) 2005-05-09 2011-09-27 Qnx Software Systems Co. System for suppressing passing tire hiss
US7844453B2 (en) 2006-05-12 2010-11-30 Qnx Software Systems Co. Robust noise estimation
US8326620B2 (en) 2008-04-30 2012-12-04 Qnx Software Systems Limited Robust downlink speech and noise detector
US8335685B2 (en) 2006-12-22 2012-12-18 Qnx Software Systems Limited Ambient noise compensation system robust to high excitation noise
CN103035243B (zh) * 2012-12-18 2014-12-24 中国科学院自动化研究所 长语音连续识别及识别结果实时反馈方法和系统
CN105913848A (zh) * 2016-04-13 2016-08-31 乐视控股（北京）有限公司 一种基于最小堆的路径存储方法、系统和语音识别器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980918A (en) * 1985-05-09 1990-12-25 International Business Machines Corporation Speech recognition system with efficient storage and rapid assembly of phonological graphs
DE3750199T2 (de) * 1986-06-02 1995-01-19 Motorola Inc System zur Erkennung kontinuierlicher Sprache.
US5388183A (en) * 1991-09-30 1995-02-07 Kurzwell Applied Intelligence, Inc. Speech recognition providing multiple outputs

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8073689B2 (en) 2003-02-21 2011-12-06 Qnx Software Systems Co. Repetitive transient noise removal
US8165875B2 (en) 2003-02-21 2012-04-24 Qnx Software Systems Limited System for suppressing wind noise
US8374855B2 (en) 2003-02-21 2013-02-12 Qnx Software Systems Limited System for suppressing rain noise
US8326621B2 (en) 2003-02-21 2012-12-04 Qnx Software Systems Limited Repetitive transient noise removal
US7885420B2 (en) 2003-02-21 2011-02-08 Qnx Software Systems Co. Wind noise suppression system
US7895036B2 (en) 2003-02-21 2011-02-22 Qnx Software Systems Co. System for suppressing wind noise
US8612222B2 (en) 2003-02-21 2013-12-17 Qnx Software Systems Limited Signature noise removal
US7949522B2 (en) 2003-02-21 2011-05-24 Qnx Software Systems Co. System for suppressing rain noise
US8271279B2 (en) 2003-02-21 2012-09-18 Qnx Software Systems Limited Signature noise removal
US9373340B2 (en) 2003-02-21 2016-06-21 2236008 Ontario, Inc. Method and apparatus for suppressing wind noise
US7725315B2 (en) 2003-02-21 2010-05-25 Qnx Software Systems (Wavemakers), Inc. Minimization of transient noises in a voice signal
US8170879B2 (en) 2004-10-26 2012-05-01 Qnx Software Systems Limited Periodic signal enhancement system
US8543390B2 (en) 2004-10-26 2013-09-24 Qnx Software Systems Limited Multi-channel periodic signal enhancement system
US7680652B2 (en) 2004-10-26 2010-03-16 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US8306821B2 (en) 2004-10-26 2012-11-06 Qnx Software Systems Limited Sub-band periodic signal enhancement system
US7949520B2 (en) 2004-10-26 2011-05-24 QNX Software Sytems Co. Adaptive filter pitch extraction
US8150682B2 (en) 2004-10-26 2012-04-03 Qnx Software Systems Limited Adaptive filter pitch extraction
US7716046B2 (en) 2004-10-26 2010-05-11 Qnx Software Systems (Wavemakers), Inc. Advanced periodic signal enhancement
US7610196B2 (en) 2004-10-26 2009-10-27 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US8457961B2 (en) 2005-06-15 2013-06-04 Qnx Software Systems Limited System for detecting speech with background voice estimates and noise estimates
US8554564B2 (en) 2005-06-15 2013-10-08 Qnx Software Systems Limited Speech end-pointer
US8311819B2 (en) 2005-06-15 2012-11-13 Qnx Software Systems Limited System for detecting speech with background voice estimates and noise estimates
US8850154B2 (en) 2007-09-11 2014-09-30 2236008 Ontario Inc. Processing system having memory partitioning
US8904400B2 (en) 2007-09-11 2014-12-02 2236008 Ontario Inc. Processing system having a partitioning component for resource partitioning
US9122575B2 (en) 2007-09-11 2015-09-01 2236008 Ontario Inc. Processing system having memory partitioning
US8694310B2 (en) 2007-09-17 2014-04-08 Qnx Software Systems Limited Remote control server protocol system
US8209514B2 (en) 2008-02-04 2012-06-26 Qnx Software Systems Limited Media processing system having resource partitioning

Also Published As

Publication number Publication date
CN1120372A (zh) 1996-04-10
FI954572L (fi) 1995-09-27
DE69416670T2 (de) 1999-06-24
JPH08508350A (ja) 1996-09-03
NZ263223A (en) 1997-11-24
CA2158064A1 (fr) 1994-10-13
FI954572A0 (fi) 1995-09-27
WO1994023424A1 (fr) 1994-10-13
AU6382994A (en) 1994-10-24
AU682177B2 (en) 1997-09-25
SG47716A1 (en) 1998-04-17
NO953895D0 (no) 1995-09-29
NO308756B1 (no) 2000-10-23
KR100309205B1 (ko) 2001-12-17
FI954572A7 (fi) 1995-09-27
HK1014390A1 (en) 1999-09-24
CN1196104C (zh) 2005-04-06
NO953895L (no) 1995-11-28
DE69416670D1 (de) 1999-04-01

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Effective date: 20140331