CA2025455A1 - Systeme de codification de la parole genetant a partir d'un signal de la parole numetisee, des parametres de codage predictif lineaires et des codes de controle - Google Patents

Systeme de codification de la parole genetant a partir d'un signal de la parole numetisee, des parametres de codage predictif lineaires et des codes de controle

Info

Publication number
CA2025455A1
CA2025455A1 CA2025455A CA2025455A CA2025455A1 CA 2025455 A1 CA2025455 A1 CA 2025455A1 CA 2025455 A CA2025455 A CA 2025455A CA 2025455 A CA2025455 A CA 2025455A CA 2025455 A1 CA2025455 A1 CA 2025455A1
Authority
CA
Canada
Prior art keywords
signal
pulse train
residual signal
digital
codebook
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
CA2025455A
Other languages
English (en)
Other versions
CA2025455C (fr
Inventor
Karel Gerard Coolegem
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.)
Filing date
Publication date
Application filed by Koninklijke PTT Nederland NV filed Critical Koninklijke PTT Nederland NV
Publication of CA2025455A1 publication Critical patent/CA2025455A1/fr
Application granted granted Critical
Publication of CA2025455C publication Critical patent/CA2025455C/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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • G10L19/113—Regular pulse excitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Control By Computers (AREA)
  • Selective Calling Equipment (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Input From Keyboards Or The Like (AREA)
CA002025455A 1989-09-20 1990-09-14 Systeme de codification de la parole genetant a partir d'un signal de la parole numetisee, des parametres de codage predictif lineaires et des codes de controle Expired - Lifetime CA2025455C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8902347 1989-09-20
NL8902347A NL8902347A (nl) 1989-09-20 1989-09-20 Werkwijze voor het coderen van een binnen een zeker tijdsinterval voorkomend analoog signaal, waarbij dat analoge signaal wordt geconverteerd in besturingscodes die bruikbaar zijn voor het samenstellen van een met dat analoge signaal overeenkomend synthetisch signaal.

Publications (2)

Publication Number Publication Date
CA2025455A1 true CA2025455A1 (fr) 1991-03-21
CA2025455C CA2025455C (fr) 1995-09-05

Family

ID=19855333

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002025455A Expired - Lifetime CA2025455C (fr) 1989-09-20 1990-09-14 Systeme de codification de la parole genetant a partir d'un signal de la parole numetisee, des parametres de codage predictif lineaires et des codes de controle

Country Status (11)

Country Link
US (1) US5299281A (fr)
EP (1) EP0418958B1 (fr)
JP (1) JPH03239300A (fr)
AT (1) ATE151904T1 (fr)
CA (1) CA2025455C (fr)
DE (1) DE69030475T2 (fr)
DK (1) DK0418958T3 (fr)
ES (1) ES2100158T3 (fr)
FI (1) FI98481C (fr)
NL (1) NL8902347A (fr)
NO (1) NO904040L (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2089934B1 (es) * 1992-10-15 1997-04-16 Mateo Francisco Manas Procedimiento para la transmision y/o almacenamiento de señales voz/datos/imagen.
CA2102080C (fr) * 1992-12-14 1998-07-28 Willem Bastiaan Kleijn Decalage temporel pour le codage generalise d'analyse par synthese
DE4343366C2 (de) * 1993-12-18 1996-02-29 Grundig Emv Verfahren und Schaltungsanordnung zur Vergrößerung der Bandbreite von schmalbandigen Sprachsignalen
DE4446558A1 (de) * 1994-12-24 1996-06-27 Philips Patentverwaltung Digitales Übertragungssystem mit verbessertem Decoder im Empfänger
US5978783A (en) * 1995-01-10 1999-11-02 Lucent Technologies Inc. Feedback control system for telecommunications systems
US5704003A (en) * 1995-09-19 1997-12-30 Lucent Technologies Inc. RCELP coder
TW317051B (fr) * 1996-02-15 1997-10-01 Philips Electronics Nv
US6324501B1 (en) * 1999-08-18 2001-11-27 At&T Corp. Signal dependent speech modifications
CN115880883B (zh) * 2023-01-29 2023-06-09 上海海栎创科技股份有限公司 一种系统间选择性传输控制信号的系统及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32580E (en) * 1981-12-01 1988-01-19 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech coder
US4701954A (en) * 1984-03-16 1987-10-20 American Telephone And Telegraph Company, At&T Bell Laboratories Multipulse LPC speech processing arrangement
NL8500843A (nl) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.
US4827517A (en) * 1985-12-26 1989-05-02 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech processor using arbitrary excitation coding
GB8621932D0 (en) * 1986-09-11 1986-10-15 British Telecomm Speech coding
IT1195350B (it) * 1986-10-21 1988-10-12 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante estrazione di para metri e tecniche di quantizzazione vettoriale
CA1337217C (fr) * 1987-08-28 1995-10-03 Daniel Kenneth Freeman Codage vocal

Also Published As

Publication number Publication date
FI98481C (fi) 1997-06-25
CA2025455C (fr) 1995-09-05
NO904040L (no) 1991-03-21
FI904609A0 (fi) 1990-09-19
DK0418958T3 (da) 1997-10-20
JPH03239300A (ja) 1991-10-24
ES2100158T3 (es) 1997-06-16
EP0418958A2 (fr) 1991-03-27
DE69030475T2 (de) 1997-09-25
US5299281A (en) 1994-03-29
NL8902347A (nl) 1991-04-16
DE69030475D1 (de) 1997-05-22
NO904040D0 (no) 1990-09-17
FI98481B (fi) 1997-03-14
EP0418958B1 (fr) 1997-04-16
EP0418958A3 (en) 1991-09-25
ATE151904T1 (de) 1997-05-15

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