IL134122A0 - Speech coders - Google Patents

Speech coders

Info

Publication number
IL134122A0
IL134122A0 IL13412299A IL13412299A IL134122A0 IL 134122 A0 IL134122 A0 IL 134122A0 IL 13412299 A IL13412299 A IL 13412299A IL 13412299 A IL13412299 A IL 13412299A IL 134122 A0 IL134122 A0 IL 134122A0
Authority
IL
Israel
Prior art keywords
speech coders
coders
speech
Prior art date
Application number
IL13412299A
Other languages
English (en)
Original Assignee
Univ Surrey
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 Univ Surrey filed Critical Univ Surrey
Publication of IL134122A0 publication Critical patent/IL134122A0/xx

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
    • G10L19/00—Speech 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
    • G10L19/04—Speech 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
    • G10L19/16—Vocoder architecture
    • 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
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech 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
    • G10L19/00—Speech 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
    • G10L19/04—Speech 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
IL13412299A 1998-05-21 1999-05-18 Speech coders IL134122A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9811019.0A GB9811019D0 (en) 1998-05-21 1998-05-21 Speech coders
PCT/GB1999/001581 WO1999060561A2 (en) 1998-05-21 1999-05-18 Split band linear prediction vocoder

Publications (1)

Publication Number Publication Date
IL134122A0 true IL134122A0 (en) 2001-04-30

Family

ID=10832524

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13412299A IL134122A0 (en) 1998-05-21 1999-05-18 Speech coders

Country Status (11)

Country Link
US (1) US6526376B1 (xx)
EP (1) EP0996949A2 (xx)
JP (1) JP2002516420A (xx)
KR (1) KR20010022092A (xx)
CN (1) CN1274456A (xx)
AU (1) AU761131B2 (xx)
BR (1) BR9906454A (xx)
CA (1) CA2294308A1 (xx)
GB (1) GB9811019D0 (xx)
IL (1) IL134122A0 (xx)
WO (1) WO1999060561A2 (xx)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6377919B1 (en) * 1996-02-06 2002-04-23 The Regents Of The University Of California System and method for characterizing voiced excitations of speech and acoustic signals, removing acoustic noise from speech, and synthesizing speech
US7092881B1 (en) * 1999-07-26 2006-08-15 Lucent Technologies Inc. Parametric speech codec for representing synthetic speech in the presence of background noise
FR2804813B1 (fr) * 2000-02-03 2002-09-06 Cit Alcatel Procede de codage facilitant la restitution sonore des signaux de parole numerises transmis a un terminal d'abonne lors d'une communication telephonique par transmission de paquets et equipement mettant en oeuvre ce procede
JP3558031B2 (ja) * 2000-11-06 2004-08-25 日本電気株式会社 音声復号化装置
US7016833B2 (en) * 2000-11-21 2006-03-21 The Regents Of The University Of California Speaker verification system using acoustic data and non-acoustic data
CN100393085C (zh) * 2000-12-29 2008-06-04 诺基亚公司 数字网络中的音频信号质量增强
GB2375028B (en) * 2001-04-24 2003-05-28 Motorola Inc Processing speech signals
FI119955B (fi) * 2001-06-21 2009-05-15 Nokia Corp Menetelmä, kooderi ja laite puheenkoodaukseen synteesi-analyysi puhekoodereissa
KR100347188B1 (en) * 2001-08-08 2002-08-03 Amusetec Method and apparatus for judging pitch according to frequency analysis
US20030048129A1 (en) * 2001-09-07 2003-03-13 Arthur Sheiman Time varying filter with zero and/or pole migration
EP1493146B1 (en) * 2002-04-11 2006-08-02 Matsushita Electric Industrial Co., Ltd. Encoding and decoding devices, methods and programs
US6915256B2 (en) * 2003-02-07 2005-07-05 Motorola, Inc. Pitch quantization for distributed speech recognition
US6961696B2 (en) * 2003-02-07 2005-11-01 Motorola, Inc. Class quantization for distributed speech recognition
US7233894B2 (en) * 2003-02-24 2007-06-19 International Business Machines Corporation Low-frequency band noise detection
WO2004084182A1 (en) * 2003-03-15 2004-09-30 Mindspeed Technologies, Inc. Decomposition of voiced speech for celp speech coding
GB2400003B (en) * 2003-03-22 2005-03-09 Motorola Inc Pitch estimation within a speech signal
US6988064B2 (en) * 2003-03-31 2006-01-17 Motorola, Inc. System and method for combined frequency-domain and time-domain pitch extraction for speech signals
US7117147B2 (en) * 2004-07-28 2006-10-03 Motorola, Inc. Method and system for improving voice quality of a vocoder
CN1779779B (zh) * 2004-11-24 2010-05-26 摩托罗拉公司 提供语音语料库的方法及其相关设备
US20090319277A1 (en) * 2005-03-30 2009-12-24 Nokia Corporation Source Coding and/or Decoding
KR100735343B1 (ko) * 2006-04-11 2007-07-04 삼성전자주식회사 음성신호의 피치 정보 추출장치 및 방법
KR100900438B1 (ko) * 2006-04-25 2009-06-01 삼성전자주식회사 음성 패킷 복구 장치 및 방법
JP4946293B2 (ja) * 2006-09-13 2012-06-06 富士通株式会社 音声強調装置、音声強調プログラムおよび音声強調方法
CN1971707B (zh) * 2006-12-13 2010-09-29 北京中星微电子有限公司 一种进行基音周期估计和清浊判决的方法及装置
US8036886B2 (en) * 2006-12-22 2011-10-11 Digital Voice Systems, Inc. Estimation of pulsed speech model parameters
US8457953B2 (en) * 2007-03-05 2013-06-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement for smoothing of stationary background noise
JP5355387B2 (ja) * 2007-03-30 2013-11-27 パナソニック株式会社 符号化装置および符号化方法
US8326617B2 (en) * 2007-10-24 2012-12-04 Qnx Software Systems Limited Speech enhancement with minimum gating
US8260220B2 (en) * 2009-09-28 2012-09-04 Broadcom Corporation Communication device with reduced noise speech coding
FR2961938B1 (fr) * 2010-06-25 2013-03-01 Inst Nat Rech Inf Automat Synthetiseur numerique audio ameliore
US8862465B2 (en) 2010-09-17 2014-10-14 Qualcomm Incorporated Determining pitch cycle energy and scaling an excitation signal
SI3239979T1 (sl) 2010-10-25 2024-09-30 Voiceage Evs Llc Kodiranje generičnih zvočnih signalov pri nizkih bitnih hitrostih in majhni zakasnitvi
US20140365212A1 (en) * 2010-11-20 2014-12-11 Alon Konchitsky Receiver Intelligibility Enhancement System
US8818806B2 (en) * 2010-11-30 2014-08-26 JVC Kenwood Corporation Speech processing apparatus and speech processing method
CN103477387B (zh) 2011-02-14 2015-11-25 弗兰霍菲尔运输应用研究公司 使用频谱域噪声整形的基于线性预测的编码方案
ES2639646T3 (es) 2011-02-14 2017-10-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificación y decodificación de posiciones de impulso de pistas de una señal de audio
MY166394A (en) 2011-02-14 2018-06-25 Fraunhofer Ges Forschung Information signal representation using lapped transform
PL2676264T3 (pl) 2011-02-14 2015-06-30 Fraunhofer Ges Forschung Koder audio estymujący szum tła podczas faz aktywnych
KR101551046B1 (ko) 2011-02-14 2015-09-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 저-지연 통합 스피치 및 오디오 코딩에서 에러 은닉을 위한 장치 및 방법
KR101525185B1 (ko) 2011-02-14 2015-06-02 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 트랜지언트 검출 및 품질 결과를 사용하여 일부분의 오디오 신호를 코딩하기 위한 장치 및 방법
TWI488176B (zh) 2011-02-14 2015-06-11 Fraunhofer Ges Forschung 音訊信號音軌脈衝位置之編碼與解碼技術
BR112013020482B1 (pt) 2011-02-14 2021-02-23 Fraunhofer Ges Forschung aparelho e método para processar um sinal de áudio decodificado em um domínio espectral
PL2676265T3 (pl) 2011-02-14 2019-09-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie i sposób do kodowania sygnału audio z stosowaniem zrównanej części antycypacji
US8767978B2 (en) 2011-03-25 2014-07-01 The Intellisis Corporation System and method for processing sound signals implementing a spectral motion transform
US8620646B2 (en) * 2011-08-08 2013-12-31 The Intellisis Corporation System and method for tracking sound pitch across an audio signal using harmonic envelope
US8548803B2 (en) 2011-08-08 2013-10-01 The Intellisis Corporation System and method of processing a sound signal including transforming the sound signal into a frequency-chirp domain
US9183850B2 (en) 2011-08-08 2015-11-10 The Intellisis Corporation System and method for tracking sound pitch across an audio signal
JP6010539B2 (ja) * 2011-09-09 2016-10-19 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 符号化装置、復号装置、符号化方法および復号方法
JP6053196B2 (ja) * 2012-05-23 2016-12-27 日本電信電話株式会社 符号化方法、復号方法、符号化装置、復号装置、プログラム、および記録媒体
BR112015018040B1 (pt) 2013-01-29 2022-01-18 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Ênfase de baixa frequência para codificação com base em lpc em domínio de frequência
US9208775B2 (en) * 2013-02-21 2015-12-08 Qualcomm Incorporated Systems and methods for determining pitch pulse period signal boundaries
US9959886B2 (en) * 2013-12-06 2018-05-01 Malaspina Labs (Barbados), Inc. Spectral comb voice activity detection
US9842611B2 (en) 2015-02-06 2017-12-12 Knuedge Incorporated Estimating pitch using peak-to-peak distances
US9922668B2 (en) 2015-02-06 2018-03-20 Knuedge Incorporated Estimating fractional chirp rate with multiple frequency representations
EP3306609A1 (en) * 2016-10-04 2018-04-11 Fraunhofer Gesellschaft zur Förderung der Angewand Apparatus and method for determining a pitch information
JP6891736B2 (ja) 2017-08-29 2021-06-18 富士通株式会社 音声処理プログラム、音声処理方法および音声処理装置
CN108281150B (zh) * 2018-01-29 2020-11-17 上海泰亿格康复医疗科技股份有限公司 一种基于微分声门波模型的语音变调变嗓音方法
TWI684912B (zh) * 2019-01-08 2020-02-11 瑞昱半導體股份有限公司 語音喚醒裝置及方法
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731846A (en) * 1983-04-13 1988-03-15 Texas Instruments Incorporated Voice messaging system with pitch tracking based on adaptively filtered LPC residual signal
NL8400552A (nl) * 1984-02-22 1985-09-16 Philips Nv Systeem voor het analyseren van menselijke spraak.
US5081681B1 (en) * 1989-11-30 1995-08-15 Digital Voice Systems Inc Method and apparatus for phase synthesis for speech processing
US5216747A (en) 1990-09-20 1993-06-01 Digital Voice Systems, Inc. Voiced/unvoiced estimation of an acoustic signal
US5226108A (en) * 1990-09-20 1993-07-06 Digital Voice Systems, Inc. Processing a speech signal with estimated pitch
JP3840684B2 (ja) * 1996-02-01 2006-11-01 ソニー株式会社 ピッチ抽出装置及びピッチ抽出方法

Also Published As

Publication number Publication date
GB9811019D0 (en) 1998-07-22
US6526376B1 (en) 2003-02-25
EP0996949A2 (en) 2000-05-03
BR9906454A (pt) 2000-09-19
WO1999060561A2 (en) 1999-11-25
JP2002516420A (ja) 2002-06-04
WO1999060561A3 (en) 2000-03-09
CA2294308A1 (en) 1999-11-25
KR20010022092A (ko) 2001-03-15
AU761131B2 (en) 2003-05-29
CN1274456A (zh) 2000-11-22
AU3945499A (en) 1999-12-06

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