GB2430129B - Voice activity detector and method of operation therein - Google Patents

Voice activity detector and method of operation therein

Info

Publication number
GB2430129B
GB2430129B GB0518213A GB0518213A GB2430129B GB 2430129 B GB2430129 B GB 2430129B GB 0518213 A GB0518213 A GB 0518213A GB 0518213 A GB0518213 A GB 0518213A GB 2430129 B GB2430129 B GB 2430129B
Authority
GB
United Kingdom
Prior art keywords
voice activity
activity detector
detector
voice
activity
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
GB0518213A
Other versions
GB0518213D0 (en
GB2430129A (en
Inventor
Shani Stern
Izak Avayu
Uzi Cohen
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Priority to GB0518213A priority Critical patent/GB2430129B/en
Publication of GB0518213D0 publication Critical patent/GB0518213D0/en
Priority to PCT/US2006/025672 priority patent/WO2007030190A1/en
Publication of GB2430129A publication Critical patent/GB2430129A/en
Application granted granted Critical
Publication of GB2430129B publication Critical patent/GB2430129B/en
Expired - Fee Related 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H04J3/175—Speech activity or inactivity detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (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)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
GB0518213A 2005-09-08 2005-09-08 Voice activity detector and method of operation therein Expired - Fee Related GB2430129B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0518213A GB2430129B (en) 2005-09-08 2005-09-08 Voice activity detector and method of operation therein
PCT/US2006/025672 WO2007030190A1 (en) 2005-09-08 2006-06-30 Voice activity detector and method of operation therein

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0518213A GB2430129B (en) 2005-09-08 2005-09-08 Voice activity detector and method of operation therein

Publications (3)

Publication Number Publication Date
GB0518213D0 GB0518213D0 (en) 2005-10-19
GB2430129A GB2430129A (en) 2007-03-14
GB2430129B true GB2430129B (en) 2007-10-31

Family

ID=35221019

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0518213A Expired - Fee Related GB2430129B (en) 2005-09-08 2005-09-08 Voice activity detector and method of operation therein

Country Status (2)

Country Link
GB (1) GB2430129B (en)
WO (1) WO2007030190A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104485118A (en) * 2009-10-19 2015-04-01 瑞典爱立信有限公司 Detector and method for voice activity detection

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2611462C (en) * 2007-11-22 2013-10-22 Tyco Safety Products Canada Ltd. Alarm system audio interface tamper and state detection
US8626498B2 (en) * 2010-02-24 2014-01-07 Qualcomm Incorporated Voice activity detection based on plural voice activity detectors

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001505A (en) * 1974-04-08 1977-01-04 Nippon Electric Company, Ltd. Speech signal presence detector
EP0784311A1 (en) * 1995-12-12 1997-07-16 Nokia Mobile Phones Ltd. Method and device for voice activity detection and a communication device
US6321194B1 (en) * 1999-04-27 2001-11-20 Brooktrout Technology, Inc. Voice detection in audio signals
US6453285B1 (en) * 1998-08-21 2002-09-17 Polycom, Inc. Speech activity detector for use in noise reduction system, and methods therefor
US20030142813A1 (en) * 2002-01-25 2003-07-31 Acoustic Technologies, Inc. Telephone having four VAD circuits

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2281680B (en) * 1993-08-27 1998-08-26 Motorola Inc A voice activity detector for an echo suppressor and an echo suppressor
IN184794B (en) * 1993-09-14 2000-09-30 British Telecomm
US8019091B2 (en) * 2000-07-19 2011-09-13 Aliphcom, Inc. Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression
US6876965B2 (en) * 2001-02-28 2005-04-05 Telefonaktiebolaget Lm Ericsson (Publ) Reduced complexity voice activity detector
US7146315B2 (en) * 2002-08-30 2006-12-05 Siemens Corporate Research, Inc. Multichannel voice detection in adverse environments

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001505A (en) * 1974-04-08 1977-01-04 Nippon Electric Company, Ltd. Speech signal presence detector
EP0784311A1 (en) * 1995-12-12 1997-07-16 Nokia Mobile Phones Ltd. Method and device for voice activity detection and a communication device
US6453285B1 (en) * 1998-08-21 2002-09-17 Polycom, Inc. Speech activity detector for use in noise reduction system, and methods therefor
US6321194B1 (en) * 1999-04-27 2001-11-20 Brooktrout Technology, Inc. Voice detection in audio signals
US20030142813A1 (en) * 2002-01-25 2003-07-31 Acoustic Technologies, Inc. Telephone having four VAD circuits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104485118A (en) * 2009-10-19 2015-04-01 瑞典爱立信有限公司 Detector and method for voice activity detection

Also Published As

Publication number Publication date
GB0518213D0 (en) 2005-10-19
WO2007030190A1 (en) 2007-03-15
GB2430129A (en) 2007-03-14

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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)

Free format text: REGISTERED BETWEEN 20120419 AND 20120425

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120908