DE3473373D1 - Speech analysis/synthesis with energy normalization - Google Patents

Speech analysis/synthesis with energy normalization

Info

Publication number
DE3473373D1
DE3473373D1 DE8484112266T DE3473373T DE3473373D1 DE 3473373 D1 DE3473373 D1 DE 3473373D1 DE 8484112266 T DE8484112266 T DE 8484112266T DE 3473373 T DE3473373 T DE 3473373T DE 3473373 D1 DE3473373 D1 DE 3473373D1
Authority
DE
Germany
Prior art keywords
synthesis
speech analysis
energy normalization
normalization
energy
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
DE8484112266T
Other languages
German (de)
Inventor
George R Doddington
Panos E Papamichalis
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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
Priority claimed from US06/541,497 external-priority patent/US4696039A/en
Priority claimed from US06/541,410 external-priority patent/US4696040A/en
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of DE3473373D1 publication Critical patent/DE3473373D1/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
    • 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
    • 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
    • G10L21/0316—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
    • 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
    • G10L2025/783—Detection of presence or absence of voice signals based on threshold decision
    • G10L2025/786—Adaptive threshold
    • 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
    • G10L21/0232—Processing in the frequency domain

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)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE8484112266T 1983-10-13 1984-10-12 Speech analysis/synthesis with energy normalization Expired DE3473373D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/541,497 US4696039A (en) 1983-10-13 1983-10-13 Speech analysis/synthesis system with silence suppression
US06/541,410 US4696040A (en) 1983-10-13 1983-10-13 Speech analysis/synthesis system with energy normalization and silence suppression

Publications (1)

Publication Number Publication Date
DE3473373D1 true DE3473373D1 (en) 1988-09-15

Family

ID=27066699

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484112266T Expired DE3473373D1 (en) 1983-10-13 1984-10-12 Speech analysis/synthesis with energy normalization

Country Status (3)

Country Link
EP (1) EP0140249B1 (en)
JP (1) JPH0644195B2 (en)
DE (1) DE3473373D1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2631147B1 (en) * 1988-05-04 1991-02-08 Thomson Csf METHOD AND DEVICE FOR DETECTING VOICE SIGNALS
EP0747879B1 (en) * 1990-05-28 2002-08-07 Matsushita Electric Industrial Co., Ltd. Voice signal coding system
FR2686183A1 (en) * 1992-01-15 1993-07-16 Idms Sa System for digitising an audio signal, implementation method and device for compiling a digital database
JP3484757B2 (en) * 1994-05-13 2004-01-06 ソニー株式会社 Noise reduction method and noise section detection method for voice signal
US5991718A (en) * 1998-02-27 1999-11-23 At&T Corp. System and method for noise threshold adaptation for voice activity detection in nonstationary noise environments
US6314396B1 (en) * 1998-11-06 2001-11-06 International Business Machines Corporation Automatic gain control in a speech recognition system
US6889186B1 (en) * 2000-06-01 2005-05-03 Avaya Technology Corp. Method and apparatus for improving the intelligibility of digitally compressed speech
GB2367467B (en) * 2000-09-30 2004-12-15 Mitel Corp Noise level calculator for echo canceller
US7535859B2 (en) * 2003-10-16 2009-05-19 Nxp B.V. Voice activity detection with adaptive noise floor tracking
US7660715B1 (en) 2004-01-12 2010-02-09 Avaya Inc. Transparent monitoring and intervention to improve automatic adaptation of speech models
US7529670B1 (en) 2005-05-16 2009-05-05 Avaya Inc. Automatic speech recognition system for people with speech-affecting disabilities
US7653543B1 (en) 2006-03-24 2010-01-26 Avaya Inc. Automatic signal adjustment based on intelligibility
US7962342B1 (en) 2006-08-22 2011-06-14 Avaya Inc. Dynamic user interface for the temporarily impaired based on automatic analysis for speech patterns
US7925508B1 (en) 2006-08-22 2011-04-12 Avaya Inc. Detection of extreme hypoglycemia or hyperglycemia based on automatic analysis of speech patterns
US7675411B1 (en) 2007-02-20 2010-03-09 Avaya Inc. Enhancing presence information through the addition of one or more of biotelemetry data and environmental data
US8041344B1 (en) 2007-06-26 2011-10-18 Avaya Inc. Cooling off period prior to sending dependent on user's state
US10049685B2 (en) 2013-03-12 2018-08-14 Aaware, Inc. Integrated sensor-array processor
WO2014165032A1 (en) 2013-03-12 2014-10-09 Aawtend, Inc. Integrated sensor-array processor
US10204638B2 (en) 2013-03-12 2019-02-12 Aaware, Inc. Integrated sensor-array processor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT347504B (en) * 1975-04-18 1978-12-27 Siemens Ag Oesterreich DEVICE FOR AUTOMATIC VOLUME CONTROL
US4071695A (en) * 1976-08-12 1978-01-31 Bell Telephone Laboratories, Incorporated Speech signal amplitude equalizer
US4280192A (en) * 1977-01-07 1981-07-21 Moll Edward W Minimum space digital storage of analog information
FR2380612A1 (en) * 1977-02-09 1978-09-08 Thomson Csf SPEECH SIGNAL DISCRIMINATION DEVICE AND ALTERNATION SYSTEM INCLUDING SUCH A DEVICE
US4351983A (en) * 1979-03-05 1982-09-28 International Business Machines Corp. Speech detector with variable threshold
FR2451680A1 (en) * 1979-03-12 1980-10-10 Soumagne Joel SPEECH / SILENCE DISCRIMINATOR FOR SPEECH INTERPOLATION
FR2466825A1 (en) * 1979-09-28 1981-04-10 Thomson Csf DEVICE FOR DETECTING VOICE SIGNALS AND ALTERNAT SYSTEM COMPRISING SUCH A DEVICE
CA1147071A (en) * 1980-09-09 1983-05-24 Northern Telecom Limited Method of and apparatus for detecting speech in a voice channel signal
JPS58171099A (en) * 1982-03-31 1983-10-07 富士通株式会社 Correction of voice parameter

Also Published As

Publication number Publication date
JPH0644195B2 (en) 1994-06-08
JPS60107700A (en) 1985-06-13
EP0140249B1 (en) 1988-08-10
EP0140249A1 (en) 1985-05-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition