AU4590400A - Cancellation of non-stationary interfering signals for speech recognition - Google Patents

Cancellation of non-stationary interfering signals for speech recognition

Info

Publication number
AU4590400A
AU4590400A AU45904/00A AU4590400A AU4590400A AU 4590400 A AU4590400 A AU 4590400A AU 45904/00 A AU45904/00 A AU 45904/00A AU 4590400 A AU4590400 A AU 4590400A AU 4590400 A AU4590400 A AU 4590400A
Authority
AU
Australia
Prior art keywords
cancellation
speech recognition
interfering signals
stationary interfering
stationary
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.)
Abandoned
Application number
AU45904/00A
Inventor
Michael John Carey
Graham David Tattersall
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.)
Imagination Technologies Ltd
Original Assignee
Imagination Technologies 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 Imagination Technologies Ltd filed Critical Imagination Technologies Ltd
Publication of AU4590400A publication Critical patent/AU4590400A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
AU45904/00A 1999-05-07 2000-05-05 Cancellation of non-stationary interfering signals for speech recognition Abandoned AU4590400A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9910448.1A GB9910448D0 (en) 1999-05-07 1999-05-07 Cancellation of non-stationary interfering signals for speech recognition
GB9910448 1999-05-07
PCT/GB2000/001715 WO2000068936A1 (en) 1999-05-07 2000-05-05 Cancellation of non-stationary interfering signals for speech recognition

Publications (1)

Publication Number Publication Date
AU4590400A true AU4590400A (en) 2000-11-21

Family

ID=10852897

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45904/00A Abandoned AU4590400A (en) 1999-05-07 2000-05-05 Cancellation of non-stationary interfering signals for speech recognition

Country Status (5)

Country Link
EP (1) EP1190417A1 (en)
JP (1) JP2002544552A (en)
AU (1) AU4590400A (en)
GB (1) GB9910448D0 (en)
WO (1) WO2000068936A1 (en)

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Also Published As

Publication number Publication date
WO2000068936A1 (en) 2000-11-16
EP1190417A1 (en) 2002-03-27
GB9910448D0 (en) 1999-07-07
JP2002544552A (en) 2002-12-24

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase