HK1069472A1 - Signal modification method for efficient coding ofspeech signals - Google Patents

Signal modification method for efficient coding ofspeech signals

Info

Publication number
HK1069472A1
HK1069472A1 HK05101816A HK05101816A HK1069472A1 HK 1069472 A1 HK1069472 A1 HK 1069472A1 HK 05101816 A HK05101816 A HK 05101816A HK 05101816 A HK05101816 A HK 05101816A HK 1069472 A1 HK1069472 A1 HK 1069472A1
Authority
HK
Hong Kong
Prior art keywords
signal
sound signal
frame
previous frame
feature
Prior art date
Application number
HK05101816A
Other languages
English (en)
Inventor
Mikko Tammi
Milan Jelinek
Claude Laflamme
Vesa Ruoppila
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Publication of HK1069472A1 publication Critical patent/HK1069472A1/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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • 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
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
HK05101816A 2001-12-14 2005-03-02 Signal modification method for efficient coding ofspeech signals HK1069472A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002365203A CA2365203A1 (en) 2001-12-14 2001-12-14 A signal modification method for efficient coding of speech signals
PCT/CA2002/001948 WO2003052744A2 (en) 2001-12-14 2002-12-13 Signal modification method for efficient coding of speech signals

Publications (1)

Publication Number Publication Date
HK1069472A1 true HK1069472A1 (en) 2005-05-20

Family

ID=4170862

Family Applications (2)

Application Number Title Priority Date Filing Date
HK05101816A HK1069472A1 (en) 2001-12-14 2005-03-02 Signal modification method for efficient coding ofspeech signals
HK10100712.5A HK1133730A1 (en) 2001-12-14 2010-01-22 Signal modification method for efficient coding of speech signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK10100712.5A HK1133730A1 (en) 2001-12-14 2010-01-22 Signal modification method for efficient coding of speech signals

Country Status (19)

Country Link
US (2) US7680651B2 (ru)
EP (2) EP1454315B1 (ru)
JP (1) JP2005513539A (ru)
KR (1) KR20040072658A (ru)
CN (2) CN101488345B (ru)
AT (1) ATE358870T1 (ru)
AU (1) AU2002350340B2 (ru)
BR (1) BR0214920A (ru)
CA (1) CA2365203A1 (ru)
DE (1) DE60219351T2 (ru)
ES (1) ES2283613T3 (ru)
HK (2) HK1069472A1 (ru)
MX (1) MXPA04005764A (ru)
MY (1) MY131886A (ru)
NO (1) NO20042974L (ru)
NZ (1) NZ533416A (ru)
RU (1) RU2302665C2 (ru)
WO (1) WO2003052744A2 (ru)
ZA (1) ZA200404625B (ru)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050091044A1 (en) * 2003-10-23 2005-04-28 Nokia Corporation Method and system for pitch contour quantization in audio coding
US20060221059A1 (en) 2005-04-01 2006-10-05 Samsung Electronics Co., Ltd. Portable terminal having display buttons and method of inputting functions using display buttons
NZ562182A (en) * 2005-04-01 2010-03-26 Qualcomm Inc Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal
DK1875463T3 (en) * 2005-04-22 2019-01-28 Qualcomm Inc SYSTEMS, PROCEDURES AND APPARATUS FOR AMPLIFIER FACTOR GLOSSARY
JP5032314B2 (ja) * 2005-06-23 2012-09-26 パナソニック株式会社 オーディオ符号化装置、オーディオ復号化装置およびオーディオ符号化情報伝送装置
JP2009501353A (ja) * 2005-07-14 2009-01-15 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ信号合成
JP2007114417A (ja) * 2005-10-19 2007-05-10 Fujitsu Ltd 音声データ処理方法及び装置
CA2650419A1 (en) * 2006-04-27 2007-11-08 Technologies Humanware Canada Inc. Method for the time scaling of an audio signal
US8260609B2 (en) * 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
US8239190B2 (en) 2006-08-22 2012-08-07 Qualcomm Incorporated Time-warping frames of wideband vocoder
US8688437B2 (en) * 2006-12-26 2014-04-01 Huawei Technologies Co., Ltd. Packet loss concealment for speech coding
KR100883656B1 (ko) * 2006-12-28 2009-02-18 삼성전자주식회사 오디오 신호의 분류 방법 및 장치와 이를 이용한 오디오신호의 부호화/복호화 방법 및 장치
JP5596341B2 (ja) * 2007-03-02 2014-09-24 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 音声符号化装置および音声符号化方法
US8312492B2 (en) * 2007-03-19 2012-11-13 At&T Intellectual Property I, L.P. Systems and methods of providing modified media content
US20080249783A1 (en) * 2007-04-05 2008-10-09 Texas Instruments Incorporated Layered Code-Excited Linear Prediction Speech Encoder and Decoder Having Plural Codebook Contributions in Enhancement Layers Thereof and Methods of Layered CELP Encoding and Decoding
US9653088B2 (en) * 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
US8515767B2 (en) 2007-11-04 2013-08-20 Qualcomm Incorporated Technique for encoding/decoding of codebook indices for quantized MDCT spectrum in scalable speech and audio codecs
JP5229234B2 (ja) * 2007-12-18 2013-07-03 富士通株式会社 非音声区間検出方法及び非音声区間検出装置
EP2107556A1 (en) 2008-04-04 2009-10-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio transform coding using pitch correction
KR20090122143A (ko) * 2008-05-23 2009-11-26 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
US8355921B2 (en) * 2008-06-13 2013-01-15 Nokia Corporation Method, apparatus and computer program product for providing improved audio processing
US8768690B2 (en) * 2008-06-20 2014-07-01 Qualcomm Incorporated Coding scheme selection for low-bit-rate applications
US20090319261A1 (en) * 2008-06-20 2009-12-24 Qualcomm Incorporated Coding of transitional speech frames for low-bit-rate applications
US20090319263A1 (en) * 2008-06-20 2009-12-24 Qualcomm Incorporated Coding of transitional speech frames for low-bit-rate applications
MY154452A (en) * 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
EP2410522B1 (en) 2008-07-11 2017-10-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal encoder, method for encoding an audio signal and computer program
GB2466670B (en) 2009-01-06 2012-11-14 Skype Speech encoding
GB2466674B (en) 2009-01-06 2013-11-13 Skype Speech coding
GB2466669B (en) 2009-01-06 2013-03-06 Skype Speech coding
GB2466671B (en) 2009-01-06 2013-03-27 Skype Speech encoding
GB2466675B (en) 2009-01-06 2013-03-06 Skype Speech coding
GB2466672B (en) * 2009-01-06 2013-03-13 Skype Speech coding
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
EP2211335A1 (en) * 2009-01-21 2010-07-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for obtaining a parameter describing a variation of a signal characteristic of a signal
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
EP2395504B1 (en) * 2009-02-13 2013-09-18 Huawei Technologies Co., Ltd. Stereo encoding method and apparatus
US20100225473A1 (en) * 2009-03-05 2010-09-09 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Postural information system and method
KR101297026B1 (ko) 2009-05-19 2013-08-14 광운대학교 산학협력단 Ｍｄｃｔ―ｔｃｘ 프레임과 ｃｅｌｐ 프레임 간 연동을 위한 윈도우 처리 장치 및 윈도우 처리 방법
KR20110001130A (ko) * 2009-06-29 2011-01-06 삼성전자주식회사 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법
US8452606B2 (en) 2009-09-29 2013-05-28 Skype Speech encoding using multiple bit rates
KR101381272B1 (ko) * 2010-01-08 2014-04-07 니뽄 덴신 덴와 가부시키가이샤 부호화 방법, 복호 방법, 부호화 장치, 복호 장치, 프로그램 및 기록 매체
AU2011226143B9 (en) 2010-03-10 2015-03-19 Dolby International Ab Audio signal decoder, audio signal encoder, method for decoding an audio signal, method for encoding an audio signal and computer program using a pitch-dependent adaptation of a coding context
US9082416B2 (en) * 2010-09-16 2015-07-14 Qualcomm Incorporated Estimating a pitch lag
CA2808353C (en) * 2010-09-16 2017-05-02 Dolby International Ab Cross product enhanced subband block based harmonic transposition
CN102783034B (zh) * 2011-02-01 2014-12-17 华为技术有限公司 用于提供信号处理系数的方法和设备
PT2676267T (pt) 2011-02-14 2017-09-26 Fraunhofer Ges Forschung Codificação e descodificação de posições de pulso de faixas de um sinal de áudio
PL2676266T3 (pl) 2011-02-14 2015-08-31 Fraunhofer Ges Forschung Układ kodowania na bazie predykcji liniowej wykorzystujący kształtowanie szumu w dziedzinie widmowej
AU2012217158B2 (en) 2011-02-14 2014-02-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Information signal representation using lapped transform
ES2535609T3 (es) * 2011-02-14 2015-05-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de audio con estimación de ruido de fondo durante fases activas
BR112013020324B8 (pt) 2011-02-14 2022-02-08 Fraunhofer Ges Forschung Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio
PL2676268T3 (pl) 2011-02-14 2015-05-29 Fraunhofer Ges Forschung Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej
CN103493129B (zh) 2011-02-14 2016-08-10 弗劳恩霍夫应用研究促进协会 用于使用瞬态检测及质量结果将音频信号的部分编码的装置与方法
US9015044B2 (en) * 2012-03-05 2015-04-21 Malaspina Labs (Barbados) Inc. Formant based speech reconstruction from noisy signals
US9830920B2 (en) 2012-08-19 2017-11-28 The Regents Of The University Of California Method and apparatus for polyphonic audio signal prediction in coding and networking systems
US9406307B2 (en) * 2012-08-19 2016-08-02 The Regents Of The University Of California Method and apparatus for polyphonic audio signal prediction in coding and networking systems
US9208775B2 (en) 2013-02-21 2015-12-08 Qualcomm Incorporated Systems and methods for determining pitch pulse period signal boundaries
CA2916150C (en) 2013-06-21 2019-06-18 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method realizing improved concepts for tcx ltp
JP6614745B2 (ja) 2014-01-14 2019-12-04 インタラクティブ・インテリジェンス・グループ・インコーポレイテッド 提供されたテキストの音声合成のためのシステム及び方法
FR3024581A1 (fr) * 2014-07-29 2016-02-05 Orange Determination d'un budget de codage d'une trame de transition lpd/fd
KR102422794B1 (ko) * 2015-09-04 2022-07-20 삼성전자주식회사 재생지연 조절 방법 및 장치와 시간축 변형방법 및 장치
EP3306609A1 (en) * 2016-10-04 2018-04-11 Fraunhofer Gesellschaft zur Förderung der Angewand Apparatus and method for determining a pitch information
US10847172B2 (en) * 2018-12-17 2020-11-24 Microsoft Technology Licensing, Llc Phase quantization in a speech encoder
US10957331B2 (en) 2018-12-17 2021-03-23 Microsoft Technology Licensing, Llc Phase reconstruction in a speech decoder

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2258751B1 (ru) * 1974-01-18 1978-12-08 Thomson Csf
CA2102080C (en) 1992-12-14 1998-07-28 Willem Bastiaan Kleijn Time shifting for generalized analysis-by-synthesis coding
FR2729246A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
US5704003A (en) * 1995-09-19 1997-12-30 Lucent Technologies Inc. RCELP coder
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
US6330533B2 (en) * 1998-08-24 2001-12-11 Conexant Systems, Inc. Speech encoder adaptively applying pitch preprocessing with warping of target signal
US6449590B1 (en) * 1998-08-24 2002-09-10 Conexant Systems, Inc. Speech encoder using warping in long term preprocessing
US6223151B1 (en) * 1999-02-10 2001-04-24 Telefon Aktie Bolaget Lm Ericsson Method and apparatus for pre-processing speech signals prior to coding by transform-based speech coders

Also Published As

Publication number Publication date
US7680651B2 (en) 2010-03-16
NZ533416A (en) 2006-09-29
EP1758101A1 (en) 2007-02-28
MXPA04005764A (es) 2005-06-08
EP1454315B1 (en) 2007-04-04
DE60219351D1 (de) 2007-05-16
AU2002350340B2 (en) 2008-07-24
RU2004121463A (ru) 2006-01-10
ATE358870T1 (de) 2007-04-15
AU2002350340A1 (en) 2003-06-30
CN1618093A (zh) 2005-05-18
US8121833B2 (en) 2012-02-21
ZA200404625B (en) 2006-05-31
NO20042974L (no) 2004-09-14
US20050071153A1 (en) 2005-03-31
MY131886A (en) 2007-09-28
DE60219351T2 (de) 2007-08-02
RU2302665C2 (ru) 2007-07-10
WO2003052744A3 (en) 2004-02-05
BR0214920A (pt) 2004-12-21
JP2005513539A (ja) 2005-05-12
EP1454315A2 (en) 2004-09-08
WO2003052744A2 (en) 2003-06-26
CN101488345B (zh) 2013-07-24
HK1133730A1 (en) 2010-04-01
CN101488345A (zh) 2009-07-22
US20090063139A1 (en) 2009-03-05
CA2365203A1 (en) 2003-06-14
ES2283613T3 (es) 2007-11-01
KR20040072658A (ko) 2004-08-18

Similar Documents

Publication Publication Date Title
HK1133730A1 (en) Signal modification method for efficient coding of speech signals
ATE15415T1 (de) Verfahren und vorrichtung zur redundanzvermindernden digitalen sprachverarbeitung.
EP0360265A3 (en) Communication system capable of improving a speech quality by classifying speech signals
EP1103955A3 (en) Multiband harmonic transform coder
EP1391879A3 (en) Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus
JP2005513539A5 (ru)
ES2060132T3 (es) Metodo de posicionar impulsos de excitacion en un codificador de voz predictor lineal.
WO2002033695A3 (en) Method and apparatus for coding of unvoiced speech
DE69603755T2 (de) Sprachkodierung mittels Analyse durch Synthese
TW326070B (en) The estimation method of the impulse gain for coding vocoder
CA2006487A1 (en) Communication system capable of improving a speech quality by effectively calculating excitation multipulses
DE68917584T2 (de) Zur Sprachqualitätsverbesserung geeignetes Kodiergerät unter Anwendung einer Doppelanlage zur Pulserzeugung.
JP2002505450A (ja) ハイブリッド被刺激線形予測スピーチ符号化装置及び方法
CN1190773A (zh) 语音编码的波形增益估测方法
JP2621275B2 (ja) 音声符号化速度変換装置
JPS6413598A (en) Voice encoder
JPH0634198B2 (ja) ピツチ予測音声符号化方法とそれを実現する装置
JPH07295596A (ja) 音声符号化方法
JPH07110699A (ja) 音声信号の符号化方法
GB2130852A (en) Speech signal reproducing systems

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20101213