CA2066568A1 - Synthetiseur de paroles a codage predictif lineaire dote d'un prefiltre adaptatif d'accentuation de hauteur de son - Google Patents

Synthetiseur de paroles a codage predictif lineaire dote d'un prefiltre adaptatif d'accentuation de hauteur de son

Info

Publication number
CA2066568A1
CA2066568A1 CA 2066568 CA2066568A CA2066568A1 CA 2066568 A1 CA2066568 A1 CA 2066568A1 CA 2066568 CA2066568 CA 2066568 CA 2066568 A CA2066568 A CA 2066568A CA 2066568 A1 CA2066568 A1 CA 2066568A1
Authority
CA
Canada
Prior art keywords
signal
pitch
excitation signal
speech
filter
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.)
Abandoned
Application number
CA 2066568
Other languages
English (en)
Inventor
Ira A. Gerson
Mark A. Jasiuk
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.)
Motorola Solutions Inc
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
Application filed by Individual filed Critical Individual
Publication of CA2066568A1 publication Critical patent/CA2066568A1/fr
Abandoned 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
    • G10L19/26—Pre-filtering or post-filtering

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)
  • Noise Elimination (AREA)
  • Stereophonic System (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
CA 2066568 1989-10-17 1990-09-17 Synthetiseur de paroles a codage predictif lineaire dote d'un prefiltre adaptatif d'accentuation de hauteur de son Abandoned CA2066568A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42287189A 1989-10-17 1989-10-17
US422,871 1989-10-17

Publications (1)

Publication Number Publication Date
CA2066568A1 true CA2066568A1 (fr) 1991-04-18

Family

ID=23676771

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2066568 Abandoned CA2066568A1 (fr) 1989-10-17 1990-09-17 Synthetiseur de paroles a codage predictif lineaire dote d'un prefiltre adaptatif d'accentuation de hauteur de son

Country Status (6)

Country Link
EP (1) EP0496829B1 (fr)
CN (1) CN1051100A (fr)
AU (1) AU644119B2 (fr)
CA (1) CA2066568A1 (fr)
DE (1) DE69033672T2 (fr)
WO (1) WO1991006091A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3328080B2 (ja) * 1994-11-22 2002-09-24 沖電気工業株式会社 コード励振線形予測復号器
GB9512284D0 (en) * 1995-06-16 1995-08-16 Nokia Mobile Phones Ltd Speech Synthesiser
DE19629946A1 (de) * 1996-07-25 1998-01-29 Joachim Dipl Ing Mersdorf Ein LPC-basiertes Verfahren zur Analyse und Synthese von Sprachgrundfrequenzverläufen mittels Filterparametrisierung und Restsignalapproximation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220819A (en) * 1979-03-30 1980-09-02 Bell Telephone Laboratories, Incorporated Residual excited predictive speech coding system
US4969192A (en) * 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio

Also Published As

Publication number Publication date
EP0496829B1 (fr) 2000-12-06
AU644119B2 (en) 1993-12-02
AU6725690A (en) 1991-05-16
EP0496829A1 (fr) 1992-08-05
DE69033672D1 (de) 2001-01-11
DE69033672T2 (de) 2001-05-10
WO1991006091A1 (fr) 1991-05-02
EP0496829A4 (en) 1993-08-18
CN1051100A (zh) 1991-05-01

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead