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GB2216320B - Apparatus and methods for the selective addition of noise to templates employed in automatic speech recognition systems - Google Patents

Apparatus and methods for the selective addition of noise to templates employed in automatic speech recognition systems

Info

Publication number
GB2216320B
GB2216320B GB8902475A GB8902475A GB2216320B GB 2216320 B GB2216320 B GB 2216320B GB 8902475 A GB8902475 A GB 8902475A GB 8902475 A GB8902475 A GB 8902475A GB 2216320 B GB2216320 B GB 2216320B
Authority
GB
United Kingdom
Prior art keywords
noise
methods
speech recognition
automatic speech
recognition systems
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
Application number
GB8902475A
Other versions
GB2216320A (en
GB8902475D0 (en
Inventor
Jack Elliott Porter
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB8902475D0 publication Critical patent/GB8902475D0/en
Publication of GB2216320A publication Critical patent/GB2216320A/en
Application granted granted Critical
Publication of GB2216320B publication Critical patent/GB2216320B/en
Expired 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
    • G10L15/20—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
    • G10L17/00—Speaker identification or verification techniques
    • 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band

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)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Machine Translation (AREA)
GB8902475A 1988-02-29 1989-02-03 Apparatus and methods for the selective addition of noise to templates employed in automatic speech recognition systems Expired GB2216320B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16150488A 1988-02-29 1988-02-29

Publications (3)

Publication Number Publication Date
GB8902475D0 GB8902475D0 (en) 1989-03-22
GB2216320A GB2216320A (en) 1989-10-04
GB2216320B true GB2216320B (en) 1992-08-19

Family

ID=22581453

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8902475A Expired GB2216320B (en) 1988-02-29 1989-02-03 Apparatus and methods for the selective addition of noise to templates employed in automatic speech recognition systems

Country Status (3)

Country Link
JP (1) JP3046029B2 (en)
FR (1) FR2627887B1 (en)
GB (1) GB2216320B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69616568T2 (en) * 1995-08-24 2002-07-11 British Telecommunications P.L.C., London PATTERN RECOGNITION
US5960397A (en) * 1997-05-27 1999-09-28 At&T Corp System and method of recognizing an acoustic environment to adapt a set of based recognition models to the current acoustic environment for subsequent speech recognition
DE29718636U1 (en) * 1997-10-21 1998-02-12 Rosenbaum, Lothar, 56727 Mayen Phonetic control, input and communication device with acoustic feedback, especially for woodworking machines
EP2980801A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for estimating noise in an audio signal, noise estimator, audio encoder, audio decoder, and system for transmitting audio signals
DE102017200121A1 (en) 2017-01-05 2018-07-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Wafer Level Package with at least one integrated antenna element
DE102017200122B4 (en) 2017-01-05 2020-07-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Wafer level package with integrated antennas and means for shielding, system for this and method for its production

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186726A (en) * 1986-02-15 1987-08-19 Smith Ind Plc Speech recognition apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720802A (en) * 1983-07-26 1988-01-19 Lear Siegler Noise compensation arrangement

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186726A (en) * 1986-02-15 1987-08-19 Smith Ind Plc Speech recognition apparatus

Also Published As

Publication number Publication date
GB2216320A (en) 1989-10-04
FR2627887B1 (en) 1994-05-13
JP3046029B2 (en) 2000-05-29
GB8902475D0 (en) 1989-03-22
JPH01255000A (en) 1989-10-11
FR2627887A1 (en) 1989-09-01

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20090202