TW289111B - - Google Patents

Info

Publication number
TW289111B
TW289111B TW085100336A TW85100336A TW289111B TW 289111 B TW289111 B TW 289111B TW 085100336 A TW085100336 A TW 085100336A TW 85100336 A TW85100336 A TW 85100336A TW 289111 B TW289111 B TW 289111B
Authority
TW
Taiwan
Application number
TW085100336A
Original Assignee
Digital Voice Systems 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 Digital Voice Systems Inc filed Critical Digital Voice Systems Inc
Application granted granted Critical
Publication of TW289111B publication Critical patent/TW289111B/zh

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93Discriminating between voiced and unvoiced parts of speech signals
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90Pitch determination of speech signals
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93Discriminating between voiced and unvoiced parts of speech signals
    • G10L2025/937Signal energy in various frequency bands
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
TW085100336A 1995-01-12 1996-01-12 TW289111B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37174395A 1995-01-12 1995-01-12

Publications (1)

Publication Number Publication Date
TW289111B true TW289111B (zh) 1996-10-21

Family

ID=23465238

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085100336A TW289111B (zh) 1995-01-12 1996-01-12

Country Status (7)

Country Link
US (1) US5826222A (zh)
EP (1) EP0722165B1 (zh)
KR (1) KR100388387B1 (zh)
AU (1) AU696092B2 (zh)
CA (1) CA2167025C (zh)
DE (1) DE69623360T2 (zh)
TW (1) TW289111B (zh)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10105194A (ja) * 1996-09-27 1998-04-24 Sony Corp ピッチ検出方法、音声信号符号化方法および装置
JP3063668B2 (ja) * 1997-04-04 2000-07-12 日本電気株式会社 音声符号化装置及び復号装置
US5970441A (en) * 1997-08-25 1999-10-19 Telefonaktiebolaget Lm Ericsson Detection of periodicity information from an audio signal
US6070137A (en) * 1998-01-07 2000-05-30 Ericsson Inc. Integrated frequency-domain voice coding using an adaptive spectral enhancement filter
KR100474826B1 (ko) * 1998-05-09 2005-05-16 삼성전자주식회사 음성부호화기에서의주파수이동법을이용한다중밴드의유성화도결정방법및그장치
US6138092A (en) * 1998-07-13 2000-10-24 Lockheed Martin Corporation CELP speech synthesizer with epoch-adaptive harmonic generator for pitch harmonics below voicing cutoff frequency
US6223090B1 (en) * 1998-08-24 2001-04-24 The United States Of America As Represented By The Secretary Of The Air Force Manikin positioning for acoustic measuring
US6192335B1 (en) * 1998-09-01 2001-02-20 Telefonaktieboiaget Lm Ericsson (Publ) Adaptive combining of multi-mode coding for voiced speech and noise-like signals
US6411927B1 (en) * 1998-09-04 2002-06-25 Matsushita Electric Corporation Of America Robust preprocessing signal equalization system and method for normalizing to a target environment
US6519486B1 (en) * 1998-10-15 2003-02-11 Ntc Technology Inc. Method, apparatus and system for removing motion artifacts from measurements of bodily parameters
US7991448B2 (en) * 1998-10-15 2011-08-02 Philips Electronics North America Corporation Method, apparatus, and system for removing motion artifacts from measurements of bodily parameters
CA2252170A1 (en) 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
US6765931B1 (en) * 1999-04-13 2004-07-20 Broadcom Corporation Gateway with voice
US7423983B1 (en) * 1999-09-20 2008-09-09 Broadcom Corporation Voice and data exchange over a packet based network
FR2796192B1 (fr) * 1999-07-05 2001-10-05 Matra Nortel Communications Procedes et dispositifs de codage et de decodage audio
US6792405B2 (en) * 1999-12-10 2004-09-14 At&T Corp. Bitstream-based feature extraction method for a front-end speech recognizer
AU2094201A (en) * 1999-12-13 2001-06-18 Broadcom Corporation Voice gateway with downstream voice synchronization
AU2001260162A1 (en) * 2000-04-06 2001-10-23 Telefonaktiebolaget Lm Ericsson (Publ) Pitch estimation in a speech signal
EP1143414A1 (en) * 2000-04-06 2001-10-10 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Estimating the pitch of a speech signal using previous estimates
AU2001294974A1 (en) * 2000-10-02 2002-04-15 The Regents Of The University Of California Perceptual harmonic cepstral coefficients as the front-end for speech recognition
WO2002056303A2 (en) * 2000-11-22 2002-07-18 Defense Group Inc. Noise filtering utilizing non-gaussian signal statistics
US20030135374A1 (en) * 2002-01-16 2003-07-17 Hardwick John C. Speech synthesizer
US7970606B2 (en) 2002-11-13 2011-06-28 Digital Voice Systems, Inc. Interoperable vocoder
US7634399B2 (en) * 2003-01-30 2009-12-15 Digital Voice Systems, Inc. Voice transcoder
US8359197B2 (en) 2003-04-01 2013-01-22 Digital Voice Systems, Inc. Half-rate vocoder
DE102004046045B3 (de) * 2004-09-21 2005-12-29 Drepper, Friedhelm R., Dr. Verfahren und Vorrichtung zur Analyse von instationären Sprachsignalen
US8036886B2 (en) * 2006-12-22 2011-10-11 Digital Voice Systems, Inc. Estimation of pulsed speech model parameters
US8352257B2 (en) * 2007-01-04 2013-01-08 Qnx Software Systems Limited Spectro-temporal varying approach for speech enhancement
US8489403B1 (en) * 2010-08-25 2013-07-16 Foundation For Research and Technology—Institute of Computer Science ‘FORTH-ICS’ Apparatuses, methods and systems for sparse sinusoidal audio processing and transmission
US20140309992A1 (en) * 2013-04-16 2014-10-16 University Of Rochester Method for detecting, identifying, and enhancing formant frequencies in voiced speech
US11270714B2 (en) 2020-01-08 2022-03-08 Digital Voice Systems, Inc. Speech coding using time-varying interpolation
US11990144B2 (en) 2021-07-28 2024-05-21 Digital Voice Systems, Inc. Reducing perceived effects of non-voice data in digital speech
CN114360587A (zh) * 2021-12-27 2022-04-15 北京百度网讯科技有限公司 识别音频的方法、装置、设备、介质及产品

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706929A (en) * 1971-01-04 1972-12-19 Philco Ford Corp Combined modem and vocoder pipeline processor
US3982070A (en) * 1974-06-05 1976-09-21 Bell Telephone Laboratories, Incorporated Phase vocoder speech synthesis system
US3975587A (en) * 1974-09-13 1976-08-17 International Telephone And Telegraph Corporation Digital vocoder
US3995116A (en) * 1974-11-18 1976-11-30 Bell Telephone Laboratories, Incorporated Emphasis controlled speech synthesizer
US4004096A (en) * 1975-02-18 1977-01-18 The United States Of America As Represented By The Secretary Of The Army Process for extracting pitch information
US4091237A (en) * 1975-10-06 1978-05-23 Lockheed Missiles & Space Company, Inc. Bi-Phase harmonic histogram pitch extractor
US4015088A (en) * 1975-10-31 1977-03-29 Bell Telephone Laboratories, Incorporated Real-time speech analyzer
GB1563801A (en) * 1975-11-03 1980-04-02 Post Office Error correction of digital signals
US4076958A (en) * 1976-09-13 1978-02-28 E-Systems, Inc. Signal synthesizer spectrum contour scaler
JPS597120B2 (ja) * 1978-11-24 1984-02-16 日本電気株式会社 音声分析装置
EP0076234B1 (de) * 1981-09-24 1985-09-04 GRETAG Aktiengesellschaft Verfahren und Vorrichtung zur redundanzvermindernden digitalen Sprachverarbeitung
US4441200A (en) * 1981-10-08 1984-04-03 Motorola Inc. Digital voice processing system
US4472832A (en) * 1981-12-01 1984-09-18 At&T Bell Laboratories Digital speech coder
AU570439B2 (en) * 1983-03-28 1988-03-17 Compression Labs, Inc. A combined intraframe and interframe transform coding system
US4696038A (en) * 1983-04-13 1987-09-22 Texas Instruments Incorporated Voice messaging system with unified pitch and voice tracking
DE3370423D1 (en) * 1983-06-07 1987-04-23 Ibm Process for activity detection in a voice transmission system
NL8400728A (nl) * 1984-03-07 1985-10-01 Philips Nv Digitale spraakcoder met basisband residucodering.
US4622680A (en) * 1984-10-17 1986-11-11 General Electric Company Hybrid subband coder/decoder method and apparatus
US4885790A (en) * 1985-03-18 1989-12-05 Massachusetts Institute Of Technology Processing of acoustic waveforms
FR2579356B1 (fr) * 1985-03-22 1987-05-07 Cit Alcatel Procede de codage a faible debit de la parole a signal multi-impulsionnel d'excitation
US5067158A (en) * 1985-06-11 1991-11-19 Texas Instruments Incorporated Linear predictive residual representation via non-iterative spectral reconstruction
US4879748A (en) * 1985-08-28 1989-11-07 American Telephone And Telegraph Company Parallel processing pitch detector
US4720861A (en) * 1985-12-24 1988-01-19 Itt Defense Communications A Division Of Itt Corporation Digital speech coding circuit
KR870009323A (ko) * 1986-03-04 1987-10-26 구자학 음성신호의 특징 파라미터 추출회로
US4799059A (en) * 1986-03-14 1989-01-17 Enscan, Inc. Automatic/remote RF instrument monitoring system
US4797926A (en) * 1986-09-11 1989-01-10 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech vocoder
DE3640355A1 (de) * 1986-11-26 1988-06-09 Philips Patentverwaltung Verfahren zur bestimmung des zeitlichen verlaufs eines sprachparameters und anordnung zur durchfuehrung des verfahrens
US5054072A (en) * 1987-04-02 1991-10-01 Massachusetts Institute Of Technology Coding of acoustic waveforms
JPH0795238B2 (ja) * 1987-04-03 1995-10-11 アメリカン テレフォン アンド テレグラフ カムパニー 有声判定装置および有声判定方法
NL8701798A (nl) * 1987-07-30 1989-02-16 Philips Nv Werkwijze en inrichting voor het bepalen van het verloop van een spraakparameter, bijvoorbeeld de toonhoogte, in een spraaksignaal.
US4809334A (en) * 1987-07-09 1989-02-28 Communications Satellite Corporation Method for detection and correction of errors in speech pitch period estimates
US5095392A (en) * 1988-01-27 1992-03-10 Matsushita Electric Industrial Co., Ltd. Digital signal magnetic recording/reproducing apparatus using multi-level QAM modulation and maximum likelihood decoding
US5023910A (en) * 1988-04-08 1991-06-11 At&T Bell Laboratories Vector quantization in a harmonic speech coding arrangement
US5179626A (en) * 1988-04-08 1993-01-12 At&T Bell Laboratories Harmonic speech coding arrangement where a set of parameters for a continuous magnitude spectrum is determined by a speech analyzer and the parameters are used by a synthesizer to determine a spectrum which is used to determine senusoids for synthesis
US5091946A (en) * 1988-12-23 1992-02-25 Nec Corporation Communication system capable of improving a speech quality by effectively calculating excitation multipulses
JPH0782359B2 (ja) * 1989-04-21 1995-09-06 三菱電機株式会社 音声符号化装置、音声復号化装置及び音声符号化・復号化装置
WO1990013112A1 (en) * 1989-04-25 1990-11-01 Kabushiki Kaisha Toshiba Voice encoder
US5036515A (en) * 1989-05-30 1991-07-30 Motorola, Inc. Bit error rate detection
US5081681B1 (en) * 1989-11-30 1995-08-15 Digital Voice Systems Inc Method and apparatus for phase synthesis for speech processing
US5226108A (en) * 1990-09-20 1993-07-06 Digital Voice Systems, Inc. Processing a speech signal with estimated pitch
US5216747A (en) * 1990-09-20 1993-06-01 Digital Voice Systems, Inc. Voiced/unvoiced estimation of an acoustic signal
US5226084A (en) * 1990-12-05 1993-07-06 Digital Voice Systems, Inc. Methods for speech quantization and error correction
US5247579A (en) * 1990-12-05 1993-09-21 Digital Voice Systems, Inc. Methods for speech transmission
US5504833A (en) * 1991-08-22 1996-04-02 George; E. Bryan Speech approximation using successive sinusoidal overlap-add models and pitch-scale modifications
JPH0612098A (ja) * 1992-03-16 1994-01-21 Sanyo Electric Co Ltd 音声符号化装置
US5517511A (en) * 1992-11-30 1996-05-14 Digital Voice Systems, Inc. Digital transmission of acoustic signals over a noisy communication channel

Also Published As

Publication number Publication date
EP0722165B1 (en) 2002-09-04
EP0722165A3 (en) 1998-07-15
CA2167025C (en) 2006-07-11
DE69623360D1 (de) 2002-10-10
US5826222A (en) 1998-10-20
DE69623360T2 (de) 2003-05-08
CA2167025A1 (en) 1996-07-13
KR100388387B1 (ko) 2003-11-01
AU696092B2 (en) 1998-09-03
AU4085396A (en) 1996-07-18
KR960030075A (ko) 1996-08-17
EP0722165A2 (en) 1996-07-17

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