IT1224453B - Procedimento e dispositivo per la codifica decodifica di segnali vocali con l'impiego di un eccitazione a impulsi multipli - Google Patents

Procedimento e dispositivo per la codifica decodifica di segnali vocali con l'impiego di un eccitazione a impulsi multipli

Info

Publication number
IT1224453B
IT1224453B IT67868/88A IT6786888A IT1224453B IT 1224453 B IT1224453 B IT 1224453B IT 67868/88 A IT67868/88 A IT 67868/88A IT 6786888 A IT6786888 A IT 6786888A IT 1224453 B IT1224453 B IT 1224453B
Authority
IT
Italy
Prior art keywords
procedure
synthesis
voice signals
pulse excitation
multiple pulse
Prior art date
Application number
IT67868/88A
Other languages
English (en)
Other versions
IT8867868A0 (it
Inventor
Maurizio Omologo
Daniele Sereno
Original Assignee
Sip
Italtel Spa
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 Sip, Italtel Spa filed Critical Sip
Priority to IT67868/88A priority Critical patent/IT1224453B/it
Publication of IT8867868A0 publication Critical patent/IT8867868A0/it
Priority to DE68917552T priority patent/DE68917552T2/de
Priority to ES89117837T priority patent/ES2017906T3/es
Priority to EP89117837A priority patent/EP0361432B1/en
Priority to AT89117837T priority patent/ATE110180T1/de
Priority to DE198989117837T priority patent/DE361432T1/de
Application granted granted Critical
Publication of IT1224453B publication Critical patent/IT1224453B/it
Priority to GR90300170T priority patent/GR900300170T1/el

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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

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)
  • Dc Digital Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
IT67868/88A 1988-09-28 1988-09-28 Procedimento e dispositivo per la codifica decodifica di segnali vocali con l'impiego di un eccitazione a impulsi multipli IT1224453B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT67868/88A IT1224453B (it) 1988-09-28 1988-09-28 Procedimento e dispositivo per la codifica decodifica di segnali vocali con l'impiego di un eccitazione a impulsi multipli
DE68917552T DE68917552T2 (de) 1988-09-28 1989-09-27 Verfahren und Einrichtung zur Codierung und Decodierung von Sprachsignalen unter Anwendung von Multipuls-Anregung.
ES89117837T ES2017906T3 (es) 1988-09-28 1989-09-27 Procedimiento y dispositivo para la codificacion-de-codificacion de señales de voz mediante una excitacion de impulsos multiples.
EP89117837A EP0361432B1 (en) 1988-09-28 1989-09-27 Method of and device for speech signal coding and decoding by means of a multipulse excitation
AT89117837T ATE110180T1 (de) 1988-09-28 1989-09-27 Verfahren und einrichtung zur codierung und decodierung von sprachsignalen unter anwendung von multipuls-anregung.
DE198989117837T DE361432T1 (de) 1988-09-28 1989-09-27 Verfahren und einrichtung zur codierung und decodierung von sprachsignalen unter anwendung von multipuls-anregung.
GR90300170T GR900300170T1 (en) 1988-09-28 1991-09-27 Method of and device for speech signal coding and decoding by means of a multipulse excitation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67868/88A IT1224453B (it) 1988-09-28 1988-09-28 Procedimento e dispositivo per la codifica decodifica di segnali vocali con l'impiego di un eccitazione a impulsi multipli

Publications (2)

Publication Number Publication Date
IT8867868A0 IT8867868A0 (it) 1988-09-28
IT1224453B true IT1224453B (it) 1990-10-04

Family

ID=11305936

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67868/88A IT1224453B (it) 1988-09-28 1988-09-28 Procedimento e dispositivo per la codifica decodifica di segnali vocali con l'impiego di un eccitazione a impulsi multipli

Country Status (6)

Country Link
EP (1) EP0361432B1 (it)
AT (1) ATE110180T1 (it)
DE (2) DE361432T1 (it)
ES (1) ES2017906T3 (it)
GR (1) GR900300170T1 (it)
IT (1) IT1224453B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69232887T2 (de) * 1991-02-26 2003-06-05 Nec Corp Sprachkodierungsverfahren
FI98104C (fi) * 1991-05-20 1997-04-10 Nokia Mobile Phones Ltd Menetelmä herätevektorin generoimiseksi ja digitaalinen puhekooderi
ES2042410B1 (es) * 1992-04-15 1997-01-01 Control Sys S A Metodo de codificacion y codificador de voz para equipos y sistemas de comunicacion.
FI95086C (fi) * 1992-11-26 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin tehokkaaksi koodaamiseksi
FI96248C (fi) * 1993-05-06 1996-05-27 Nokia Mobile Phones Ltd Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin
GB9408037D0 (en) * 1994-04-22 1994-06-15 Philips Electronics Uk Ltd Analogue signal coder

Also Published As

Publication number Publication date
DE68917552T2 (de) 1995-01-12
EP0361432B1 (en) 1994-08-17
EP0361432A3 (en) 1990-09-26
DE68917552D1 (de) 1994-09-22
ATE110180T1 (de) 1994-09-15
ES2017906T3 (es) 1994-10-16
GR900300170T1 (en) 1991-09-27
ES2017906A4 (es) 1991-03-16
IT8867868A0 (it) 1988-09-28
DE361432T1 (de) 1991-03-21
EP0361432A2 (en) 1990-04-04

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971031