GB2352948B - Voice activity monitoring apparatus and methods - Google Patents

Voice activity monitoring apparatus and methods

Info

Publication number
GB2352948B
GB2352948B GB9916430A GB9916430A GB2352948B GB 2352948 B GB2352948 B GB 2352948B GB 9916430 A GB9916430 A GB 9916430A GB 9916430 A GB9916430 A GB 9916430A GB 2352948 B GB2352948 B GB 2352948B
Authority
GB
United Kingdom
Prior art keywords
methods
monitoring apparatus
voice activity
activity monitoring
voice
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
GB9916430A
Other versions
GB9916430D0 (en
GB2352948A (en
Inventor
Neil Martyn Crick
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.)
Thales Contact Solutions Ltd
Original Assignee
Thales Contact Solutions Ltd
Racal Recorders 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 Thales Contact Solutions Ltd, Racal Recorders Ltd filed Critical Thales Contact Solutions Ltd
Priority to GB9916430A priority Critical patent/GB2352948B/en
Publication of GB9916430D0 publication Critical patent/GB9916430D0/en
Publication of GB2352948A publication Critical patent/GB2352948A/en
Application granted granted Critical
Publication of GB2352948B publication Critical patent/GB2352948B/en
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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (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)
  • Monitoring And Testing Of Exchanges (AREA)
GB9916430A 1999-07-13 1999-07-13 Voice activity monitoring apparatus and methods Expired - Fee Related GB2352948B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9916430A GB2352948B (en) 1999-07-13 1999-07-13 Voice activity monitoring apparatus and methods

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9916430A GB2352948B (en) 1999-07-13 1999-07-13 Voice activity monitoring apparatus and methods

Publications (3)

Publication Number Publication Date
GB9916430D0 GB9916430D0 (en) 1999-09-15
GB2352948A GB2352948A (en) 2001-02-07
GB2352948B true GB2352948B (en) 2004-03-31

Family

ID=10857179

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9916430A Expired - Fee Related GB2352948B (en) 1999-07-13 1999-07-13 Voice activity monitoring apparatus and methods

Country Status (1)

Country Link
GB (1) GB2352948B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9620082D0 (en) 1996-09-26 1996-11-13 Eyretel Ltd Signal monitoring apparatus
US7953219B2 (en) 2001-07-19 2011-05-31 Nice Systems, Ltd. Method apparatus and system for capturing and analyzing interaction based content
US7728870B2 (en) 2001-09-06 2010-06-01 Nice Systems Ltd Advanced quality management and recording solutions for walk-in environments
WO2003028358A2 (en) 2001-09-24 2003-04-03 Nice Systems Ltd. System and method for the automatic control of video frame rate
AU2002361483A1 (en) 2002-02-06 2003-09-02 Nice Systems Ltd. System and method for video content analysis-based detection, surveillance and alarm management
US7436887B2 (en) 2002-02-06 2008-10-14 Playtex Products, Inc. Method and apparatus for video frame sequence-based object tracking
US7761544B2 (en) 2002-03-07 2010-07-20 Nice Systems, Ltd. Method and apparatus for internal and external monitoring of a transportation vehicle
WO2004090770A1 (en) 2003-04-09 2004-10-21 Nice Systems Ltd. Apparatus, system and method for dispute resolution, regulation compliance and quality management in financial institutions
WO2005018097A2 (en) 2003-08-18 2005-02-24 Nice Systems Ltd. Apparatus and method for audio content analysis, marking and summing
EP1632083A4 (en) 2003-11-05 2007-05-02 Nice Systems Ltd Apparatus and method for event-driven content analysis
WO2006021943A1 (en) 2004-08-09 2006-03-02 Nice Systems Ltd. Apparatus and method for multimedia content based
US8724891B2 (en) 2004-08-31 2014-05-13 Ramot At Tel-Aviv University Ltd. Apparatus and methods for the detection of abnormal motion in a video stream
US8078463B2 (en) 2004-11-23 2011-12-13 Nice Systems, Ltd. Method and apparatus for speaker spotting
US8005675B2 (en) 2005-03-17 2011-08-23 Nice Systems, Ltd. Apparatus and method for audio analysis
US7386105B2 (en) 2005-05-27 2008-06-10 Nice Systems Ltd Method and apparatus for fraud detection
WO2007086042A2 (en) 2006-01-25 2007-08-02 Nice Systems Ltd. Method and apparatus for segmentation of audio interactions
CN107103914B (en) * 2017-03-20 2020-06-16 南京邮电大学 High-quality voice conversion method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995023477A1 (en) * 1994-02-28 1995-08-31 Qualcomm Incorporated Doubletalk detection by means of spectral content
WO1996025733A1 (en) * 1995-02-15 1996-08-22 British Telecommunications Public Limited Company Voice activity detection
US5848151A (en) * 1995-01-24 1998-12-08 Matra Communications Acoustical echo canceller having an adaptive filter with passage into the frequency domain

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995023477A1 (en) * 1994-02-28 1995-08-31 Qualcomm Incorporated Doubletalk detection by means of spectral content
US5848151A (en) * 1995-01-24 1998-12-08 Matra Communications Acoustical echo canceller having an adaptive filter with passage into the frequency domain
WO1996025733A1 (en) * 1995-02-15 1996-08-22 British Telecommunications Public Limited Company Voice activity detection

Also Published As

Publication number Publication date
GB9916430D0 (en) 1999-09-15
GB2352948A (en) 2001-02-07

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060713