CA2050979C - Methode et dispositif de codage de signaux analogiques a nature repetitive - Google Patents

Methode et dispositif de codage de signaux analogiques a nature repetitive

Info

Publication number: CA2050979C
Authority: CA; Canada
Prior art keywords: segment; samples; coded; subsegment; signal
Prior art date: 1990-09-10
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 - Lifetime

Application number

CA002050979A

Other languages

English (en)

Other versions

CA2050979A1 (fr

Inventor

Adrianus Alphonsius Maria Van Der Krogt

Robertus Lambertus Adrianus Van Ravesteijn

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.)

Koninklijke KPN NV

Original Assignee

Koninklijke PTT Nederland NV

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.)

1990-09-10

Filing date

1991-09-09

Publication date

1996-05-21

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19857655&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2050979(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1991-09-09 Application filed by Koninklijke PTT Nederland NV filed Critical Koninklijke PTT Nederland NV

1992-03-11 Publication of CA2050979A1 publication Critical patent/CA2050979A1/fr

1996-05-21 Application granted granted Critical

1996-05-21 Publication of CA2050979C publication Critical patent/CA2050979C/fr

2011-09-09 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 49
230000003252 repetitive effect Effects 0.000 title claims abstract description 10
238000005070 sampling Methods 0.000 claims description 18
230000007774 longterm Effects 0.000 abstract description 3
238000007792 addition Methods 0.000 description 4
238000010586 diagram Methods 0.000 description 2
230000009466 transformation Effects 0.000 description 2
238000000844 transformation Methods 0.000 description 2
230000005540 biological transmission Effects 0.000 description 1
238000004891 communication Methods 0.000 description 1
230000001934 delay Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000011835 investigation Methods 0.000 description 1
210000001260 vocal cord Anatomy 0.000 description 1

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

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Computational Linguistics (AREA)
Health & Medical Sciences (AREA)
Audiology, Speech & Language Pathology (AREA)
Human Computer Interaction (AREA)
Physics & Mathematics (AREA)
Signal Processing (AREA)
Acoustics & Sound (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Analogue/Digital Conversion (AREA)
Investigating Or Analysing Biological Materials (AREA)
Nitrogen Condensed Heterocyclic Rings (AREA)

CA002050979A 1990-09-10 1991-09-09 Methode et dispositif de codage de signaux analogiques a nature repetitive Expired - Lifetime CA2050979C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL9001985A NL9001985A (nl)	1990-09-10	1990-09-10	Werkwijze voor het coderen van een analoog signaal met een herhalend karakter en een inrichting voor het volgens deze werkwijze coderen.
NL9001985		1990-09-10

Publications (2)

Publication Number	Publication Date
CA2050979A1 CA2050979A1 (fr)	1992-03-11
CA2050979C true CA2050979C (fr)	1996-05-21

Family

ID=19857655

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002050979A Expired - Lifetime CA2050979C (fr)	1990-09-10	1991-09-09	Methode et dispositif de codage de signaux analogiques a nature repetitive

Country Status (11)

Country	Link
EP (1)	EP0475520B1 (fr)
JP (1)	JP2640595B2 (fr)
AT (1)	ATE137354T1 (fr)
CA (1)	CA2050979C (fr)
DE (1)	DE69119005T2 (fr)
DK (1)	DK0475520T3 (fr)
ES (1)	ES2089113T3 (fr)
FI (1)	FI105624B (fr)
NL (1)	NL9001985A (fr)
NO (1)	NO302549B1 (fr)
PT (1)	PT98900B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI116992B (fi) *	1999-07-05	2006-04-28	Nokia Corp	Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi
US7388201B2 (en)	2005-05-13	2008-06-17	National University Of Singapore	Radiation detector having coated nanostructure and method
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
CN117176177B (zh) *	2023-11-03	2024-02-06	金乡县林业保护和发展服务中心(金乡县湿地保护中心、金乡县野生动植物保护中心、金乡县国有白洼林场)	一种用于林业信息的数据共享方法及系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5648688A (en) *	1979-09-28	1981-05-01	Hitachi Ltd	Sound analyser
ES2037101T3 (es) *	1987-03-05	1993-06-16	International Business Machines Corporation	Procedimiento de deteccion de tono y codificador de voz que utiliza dicho procedimiento.

1990
- 1990-09-10 NL NL9001985A patent/NL9001985A/nl not_active Application Discontinuation
1991
- 1991-09-03 NO NO913448A patent/NO302549B1/no not_active IP Right Cessation
- 1991-09-06 DK DK91202274.6T patent/DK0475520T3/da active
- 1991-09-06 EP EP91202274A patent/EP0475520B1/fr not_active Expired - Lifetime
- 1991-09-06 AT AT91202274T patent/ATE137354T1/de not_active IP Right Cessation
- 1991-09-06 ES ES91202274T patent/ES2089113T3/es not_active Expired - Lifetime
- 1991-09-06 DE DE69119005T patent/DE69119005T2/de not_active Expired - Lifetime
- 1991-09-09 CA CA002050979A patent/CA2050979C/fr not_active Expired - Lifetime
- 1991-09-09 PT PT98900A patent/PT98900B/pt not_active IP Right Cessation
- 1991-09-10 FI FI914261A patent/FI105624B/fi not_active IP Right Cessation
- 1991-09-10 JP JP3307267A patent/JP2640595B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE69119005D1 (de)	1996-05-30
DK0475520T3 (da)	1996-09-02
FI914261A7 (fi)	1992-03-11
ES2089113T3 (es)	1996-10-01
PT98900B (pt)	1999-02-26
NO913448D0 (no)	1991-09-03
EP0475520A3 (en)	1992-09-30
FI914261A0 (fi)	1991-09-10
EP0475520A2 (fr)	1992-03-18
EP0475520B1 (fr)	1996-04-24
NO913448L (no)	1992-03-11
JPH05206955A (ja)	1993-08-13
ATE137354T1 (de)	1996-05-15
CA2050979A1 (fr)	1992-03-11
NO302549B1 (no)	1998-03-16
FI105624B (fi)	2000-09-15
PT98900A (pt)	1994-01-31
DE69119005T2 (de)	1996-11-28
NL9001985A (nl)	1992-04-01
JP2640595B2 (ja)	1997-08-13

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Legal Events

Date	Code	Title	Description
1991-09-09	EEER	Examination request
2011-09-09	MKEX	Expiry