CA2050979A1 - 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
CA2050979A1
CA2050979A1 CA2050979A CA2050979A CA2050979A1 CA 2050979 A1 CA2050979 A1 CA 2050979A1 CA 2050979 A CA2050979 A CA 2050979A CA 2050979 A CA2050979 A CA 2050979A CA 2050979 A1 CA2050979 A1 CA 2050979A1
Authority
CA
Canada
Prior art keywords
segment
samples
coded
coding
ltp
Prior art date
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
CA2050979A
Other languages
English (en)
Other versions
CA2050979C (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
Individual
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
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(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2050979A1 publication Critical patent/CA2050979A1/fr
Application granted granted Critical
Publication of CA2050979C publication Critical patent/CA2050979C/fr
Anticipated expiration legal-status Critical
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
    • G10L19/09—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)
  • Analogue/Digital Conversion (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (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 true CA2050979A1 (fr) 1992-03-11
CA2050979C 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
WO2024194336A1 (fr) * 2023-03-21 2024-09-26 Telefonaktiebolaget Lm Ericsson (Publ) Codage de bases de données de synthèse granulaire
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.

Also Published As

Publication number Publication date
ATE137354T1 (de) 1996-05-15
EP0475520B1 (fr) 1996-04-24
FI105624B (fi) 2000-09-15
DK0475520T3 (da) 1996-09-02
JP2640595B2 (ja) 1997-08-13
FI914261A0 (fi) 1991-09-10
NL9001985A (nl) 1992-04-01
EP0475520A2 (fr) 1992-03-18
EP0475520A3 (en) 1992-09-30
DE69119005D1 (de) 1996-05-30
NO913448L (no) 1992-03-11
PT98900A (pt) 1994-01-31
NO302549B1 (no) 1998-03-16
CA2050979C (fr) 1996-05-21
ES2089113T3 (es) 1996-10-01
DE69119005T2 (de) 1996-11-28
JPH05206955A (ja) 1993-08-13
NO913448D0 (no) 1991-09-03
FI914261A7 (fi) 1992-03-11
PT98900B (pt) 1999-02-26

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