EP0602826A3 - Décalement du temps pour codage avec analyse par synthèse. - Google Patents

Décalement du temps pour codage avec analyse par synthèse. Download PDF

Info

Publication number: EP0602826A3
Authority: EP; European Patent Office
Prior art keywords: coding; synthesis; analysis; time shift; shift
Prior art date: 1992-12-14
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.): Granted

Application number

EP19930309580

Other languages

German (de)

English (en)

Other versions

EP0602826A2 (fr

EP0602826B1 (fr

Inventor

Willem Bastiaan Kleijn

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.)

AT&T Inc

Original Assignee

AT&T 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.)

1992-12-14

Filing date

1993-12-01

Publication date

1994-12-07

1993-12-01 Application filed by AT&T Inc filed Critical AT&T Inc

1994-06-22 Publication of EP0602826A2 publication Critical patent/EP0602826A2/fr

1994-12-07 Publication of EP0602826A3 publication Critical patent/EP0602826A3/fr

1999-08-25 Application granted granted Critical

1999-08-25 Publication of EP0602826B1 publication Critical patent/EP0602826B1/fr

2013-12-01 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- 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
- 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
- G10L2019/0001—Codebooks
- G10L2019/0002—Codebook adaptations
- 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
- G10L2019/0001—Codebooks
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
- 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
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients

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)

EP93309580A 1992-12-14 1993-12-01 Décalement du temps pour codage avec analyse par synthèse Expired - Lifetime EP0602826B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US99030992A	1992-12-14	1992-12-14
US990309		1992-12-14

Publications (3)

Publication Number	Publication Date
EP0602826A2 EP0602826A2 (fr)	1994-06-22
EP0602826A3 true EP0602826A3 (fr)	1994-12-07
EP0602826B1 EP0602826B1 (fr)	1999-08-25

Family

ID=25536013

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP93309580A Expired - Lifetime EP0602826B1 (fr)	1992-12-14	1993-12-01	Décalement du temps pour codage avec analyse par synthèse

Country Status (6)

Country	Link
EP (1)	EP0602826B1 (fr)
JP (1)	JP3770925B2 (fr)
CA (1)	CA2102080C (fr)
DE (1)	DE69326126T2 (fr)
ES (1)	ES2136649T3 (fr)
MX (1)	MX9307743A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5704003A (en) *	1995-09-19	1997-12-30	Lucent Technologies Inc.	RCELP coder
CA2213909C (fr) *	1996-08-26	2002-01-22	Nec Corporation	Codeur de paroles haute qualite utilisant de faibles debits binaires
FI113903B (fi) *	1997-05-07	2004-06-30	Nokia Corp	Puheen koodaus
JP4857467B2 (ja)	2001-01-25	2012-01-18	ソニー株式会社	データ処理装置およびデータ処理方法、並びにプログラムおよび記録媒体
JP4857468B2 (ja) *	2001-01-25	2012-01-18	ソニー株式会社	データ処理装置およびデータ処理方法、並びにプログラムおよび記録媒体
JP3888097B2 (ja)	2001-08-02	2007-02-28	松下電器産業株式会社	ピッチ周期探索範囲設定装置、ピッチ周期探索装置、復号化適応音源ベクトル生成装置、音声符号化装置、音声復号化装置、音声信号送信装置、音声信号受信装置、移動局装置、及び基地局装置
CA2365203A1 (fr) *	2001-12-14	2003-06-14	Voiceage Corporation	Methode de modification de signal pour le codage efficace de signaux de la parole
WO2005036527A1 (fr) *	2003-10-07	2005-04-21	Matsushita Electric Industrial Co., Ltd.	Procede de decision d'une limite temporelle pour coder une enveloppe de spectre et une resolution de frequence
FI118704B (fi)	2003-10-07	2008-02-15	Nokia Corp	Menetelmä ja laite lähdekoodauksen tekemiseksi
US8744091B2 (en) *	2010-11-12	2014-06-03	Apple Inc.	Intelligibility control using ambient noise detection
AU2013345615B2 (en) *	2012-11-13	2017-05-04	Samsung Electronics Co., Ltd.	Method and apparatus for determining encoding mode, method and apparatus for encoding audio signals, and method and apparatus for decoding audio signals
CN120858406A (zh) *	2023-03-21	2025-10-28	瑞典爱立信有限公司	颗粒合成数据库的编码

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0418958A2 (fr) *	1989-09-20	1991-03-27	Koninklijke KPN N.V.	Procédé et dispositif pour transformer un signal d'entrée analogique en codes de commande et pour synthétiser un signal de sortie correspondant sous le contrôle de ces codes
EP0500961A1 (fr) *	1990-09-14	1992-09-02	Fujitsu Limited	Systeme de codage de la parole
EP0539103A2 (fr) *	1991-10-25	1993-04-28	AT&T Corp.	Méthode généralisée d'analyse par synthèse et dispositif pour le codage de la parole

1993
- 1993-10-29 CA CA002102080A patent/CA2102080C/fr not_active Expired - Lifetime
- 1993-12-01 ES ES93309580T patent/ES2136649T3/es not_active Expired - Lifetime
- 1993-12-01 EP EP93309580A patent/EP0602826B1/fr not_active Expired - Lifetime
- 1993-12-01 DE DE69326126T patent/DE69326126T2/de not_active Expired - Lifetime
- 1993-12-08 MX MX9307743A patent/MX9307743A/es not_active IP Right Cessation
- 1993-12-14 JP JP34203493A patent/JP3770925B2/ja not_active Expired - Lifetime

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0418958A2 (fr) *	1989-09-20	1991-03-27	Koninklijke KPN N.V.	Procédé et dispositif pour transformer un signal d'entrée analogique en codes de commande et pour synthétiser un signal de sortie correspondant sous le contrôle de ces codes
EP0500961A1 (fr) *	1990-09-14	1992-09-02	Fujitsu Limited	Systeme de codage de la parole
EP0539103A2 (fr) *	1991-10-25	1993-04-28	AT&T Corp.	Méthode généralisée d'analyse par synthèse et dispositif pour le codage de la parole

Also Published As

Publication number	Publication date
CA2102080C (fr)	1998-07-28
MX9307743A (es)	1994-06-30
JPH06214600A (ja)	1994-08-05
DE69326126T2 (de)	2000-07-06
CA2102080A1 (fr)	1994-06-15
JP3770925B2 (ja)	2006-04-26
EP0602826A2 (fr)	1994-06-22
ES2136649T3 (es)	1999-12-01
EP0602826B1 (fr)	1999-08-25
DE69326126D1 (de)	1999-09-30

Legal Events

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1994-05-06	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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1998-08-12	17Q	First examination report despatched	Effective date: 19980629
1999-01-26	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
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