AU1250801A - Spectral enhancement of acoustic signals to provide improved recognition of speech - Google Patents

Spectral enhancement of acoustic signals to provide improved recognition of speech

Info

Publication number
AU1250801A
AU1250801A AU12508/01A AU1250801A AU1250801A AU 1250801 A AU1250801 A AU 1250801A AU 12508/01 A AU12508/01 A AU 12508/01A AU 1250801 A AU1250801 A AU 1250801A AU 1250801 A AU1250801 A AU 1250801A
Authority
AU
Australia
Prior art keywords
speech
provide improved
acoustic signals
improved recognition
spectral enhancement
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
AU12508/01A
Inventor
Rick Lynn Jenison
Keith R. Kluender
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.)
Wisconsin Alumni Research Foundation
Original Assignee
Wisconsin Alumni Research Foundation
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 Wisconsin Alumni Research Foundation filed Critical Wisconsin Alumni Research Foundation
Publication of AU1250801A publication Critical patent/AU1250801A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion
    • G10L21/057—Time compression or expansion for improving intelligibility
    • G10L2021/0575—Aids for the handicapped in speaking
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G10L21/0232—Processing in the frequency domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
    • H04R25/356—Amplitude, e.g. amplitude shift or compression
AU12508/01A 1999-09-10 2000-09-08 Spectral enhancement of acoustic signals to provide improved recognition of speech Abandoned AU1250801A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15341199P 1999-09-10 1999-09-10
US60153411 1999-09-10
PCT/US2000/040854 WO2001018794A1 (en) 1999-09-10 2000-09-08 Spectral enhancement of acoustic signals to provide improved recognition of speech

Publications (1)

Publication Number Publication Date
AU1250801A true AU1250801A (en) 2001-04-10

Family

ID=22547115

Family Applications (1)

Application Number Title Priority Date Filing Date
AU12508/01A Abandoned AU1250801A (en) 1999-09-10 2000-09-08 Spectral enhancement of acoustic signals to provide improved recognition of speech

Country Status (2)

Country Link
AU (1) AU1250801A (en)
WO (1) WO2001018794A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100906676B1 (en) * 2002-03-13 2009-07-08 주식회사 엘지이아이 Voice recognition apparatus of intelligence robot and method thereof
US7711133B2 (en) * 2004-06-28 2010-05-04 Hearworks Pty Limited Selective resolution speech processing
MX363414B (en) * 2014-12-12 2019-03-22 Huawei Tech Co Ltd A signal processing apparatus for enhancing a voice component within a multi-channel audio signal.
CN110690903A (en) * 2019-09-18 2020-01-14 南京中感微电子有限公司 Electronic equipment and audio analog-to-digital conversion method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5388185A (en) * 1991-09-30 1995-02-07 U S West Advanced Technologies, Inc. System for adaptive processing of telephone voice signals
FI92535C (en) * 1992-02-14 1994-11-25 Nokia Mobile Phones Ltd Noise reduction system for speech signals
US5479560A (en) * 1992-10-30 1995-12-26 Technology Research Association Of Medical And Welfare Apparatus Formant detecting device and speech processing apparatus

Also Published As

Publication number Publication date
WO2001018794A1 (en) 2001-03-15

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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