DK0516621T3 - Dynamisk kodebog til effektiv talekodning baseret på algebraiske koder - Google Patents

Dynamisk kodebog til effektiv talekodning baseret på algebraiske koder

Info

Publication number
DK0516621T3
DK0516621T3 DK90915956T DK90915956T DK0516621T3 DK 0516621 T3 DK0516621 T3 DK 0516621T3 DK 90915956 T DK90915956 T DK 90915956T DK 90915956 T DK90915956 T DK 90915956T DK 0516621 T3 DK0516621 T3 DK 0516621T3
Authority
DK
Denmark
Prior art keywords
code
algebraic
search
speech encoding
encoding based
Prior art date
Application number
DK90915956T
Other languages
English (en)
Inventor
Jean-Pierre Adoul
Claude Laflamme
Original Assignee
Univ Sherbrooke
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=4144369&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0516621(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Univ Sherbrooke filed Critical Univ Sherbrooke
Application granted granted Critical
Publication of DK0516621T3 publication Critical patent/DK0516621T3/da

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
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0007—Codebook element generation
    • G10L2019/0008—Algebraic codebooks
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients

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)
DK90915956T 1990-02-23 1990-11-06 Dynamisk kodebog til effektiv talekodning baseret på algebraiske koder DK0516621T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002010830A CA2010830C (en) 1990-02-23 1990-02-23 Dynamic codebook for efficient speech coding based on algebraic codes
PCT/CA1990/000381 WO1991013432A1 (en) 1990-02-23 1990-11-06 Dynamic codebook for efficient speech coding based on algebraic codes

Publications (1)

Publication Number Publication Date
DK0516621T3 true DK0516621T3 (da) 1999-01-11

Family

ID=4144369

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90915956T DK0516621T3 (da) 1990-02-23 1990-11-06 Dynamisk kodebog til effektiv talekodning baseret på algebraiske koder

Country Status (9)

Country Link
US (2) US5444816A (da)
EP (1) EP0516621B1 (da)
AT (1) ATE164252T1 (da)
AU (1) AU6632890A (da)
CA (1) CA2010830C (da)
DE (1) DE69032168T2 (da)
DK (1) DK0516621T3 (da)
ES (1) ES2116270T3 (da)
WO (1) WO1991013432A1 (da)

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Also Published As

Publication number Publication date
EP0516621B1 (en) 1998-03-18
CA2010830A1 (en) 1991-08-23
EP0516621A1 (en) 1992-12-09
WO1991013432A1 (en) 1991-09-05
ES2116270T3 (es) 1998-07-16
DE69032168T2 (de) 1998-10-08
AU6632890A (en) 1991-09-18
US5444816A (en) 1995-08-22
ATE164252T1 (de) 1998-04-15
DE69032168D1 (de) 1998-04-23
US5699482A (en) 1997-12-16
CA2010830C (en) 1996-06-25

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