PT98900A - Metodo para codificar um sinal analogo tendo uma natureza repetitiva e um dispositivo para codificar utilizando o referido metodo - Google Patents

Metodo para codificar um sinal analogo tendo uma natureza repetitiva e um dispositivo para codificar utilizando o referido metodo

Info

Publication number
PT98900A
PT98900A PT98900A PT9890091A PT98900A PT 98900 A PT98900 A PT 98900A PT 98900 A PT98900 A PT 98900A PT 9890091 A PT9890091 A PT 9890091A PT 98900 A PT98900 A PT 98900A
Authority
PT
Portugal
Prior art keywords
segment
samples
coded
ltp
segments
Prior art date
Application number
PT98900A
Other languages
English (en)
Other versions
PT98900B (pt
Inventor
Adrianus Alphonsius Mari Krogt
Robertus Lambertus Ravesteijn
Original Assignee
Nederland Ptt
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=PT98900(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nederland Ptt filed Critical Nederland Ptt
Publication of PT98900A publication Critical patent/PT98900A/pt
Publication of PT98900B publication Critical patent/PT98900B/pt

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)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (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 Biological Materials (AREA)
  • Analogue/Digital Conversion (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
PT98900A 1990-09-10 1991-09-09 Metodo para codificar um sinal analogico tendo uma natureza repetitiva e um dispositivo para codificar utilizando o referido metodo PT98900B (pt)

Applications Claiming Priority (1)

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.

Publications (2)

Publication Number Publication Date
PT98900A true PT98900A (pt) 1994-01-31
PT98900B PT98900B (pt) 1999-02-26

Family

ID=19857655

Family Applications (1)

Application Number Title Priority Date Filing Date
PT98900A PT98900B (pt) 1990-09-10 1991-09-09 Metodo para codificar um sinal analogico tendo uma natureza repetitiva e um dispositivo para codificar utilizando o referido metodo

Country Status (11)

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

Families Citing this family (3)

* 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
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
EP0280827B1 (en) * 1987-03-05 1993-01-27 International Business Machines Corporation Pitch detection process and speech coder using said process

Also Published As

Publication number Publication date
CA2050979C (en) 1996-05-21
FI914261A (fi) 1992-03-11
EP0475520A2 (en) 1992-03-18
JP2640595B2 (ja) 1997-08-13
DE69119005T2 (de) 1996-11-28
EP0475520A3 (en) 1992-09-30
FI914261A0 (fi) 1991-09-10
ES2089113T3 (es) 1996-10-01
FI105624B (fi) 2000-09-15
ATE137354T1 (de) 1996-05-15
JPH05206955A (ja) 1993-08-13
NL9001985A (nl) 1992-04-01
CA2050979A1 (en) 1992-03-11
DE69119005D1 (de) 1996-05-30
NO302549B1 (no) 1998-03-16
NO913448D0 (no) 1991-09-03
PT98900B (pt) 1999-02-26
NO913448L (no) 1992-03-11
EP0475520B1 (en) 1996-04-24
DK0475520T3 (da) 1996-09-02

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Legal Events

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BB1A Laying open of patent application

Effective date: 19930603

FG3A Patent granted, date of granting

Effective date: 19981103

PD3A Change of proprietorship

Owner name: KONINKLIJKE KPN N.V.

Effective date: 19981110

MM4A Annulment/lapse due to non-payment of fees, searched and examined patent

Free format text: MAXIMUM VALIDITY LIMIT REACHED

Effective date: 20131104