FR2731548B1 - Recherche profondeur d'abord dans un repertoire algebrique pour un encodage rapide de la paroie - Google Patents

Recherche profondeur d'abord dans un repertoire algebrique pour un encodage rapide de la paroie

Info

Publication number
FR2731548B1
FR2731548B1 FR9602957A FR9602957A FR2731548B1 FR 2731548 B1 FR2731548 B1 FR 2731548B1 FR 9602957 A FR9602957 A FR 9602957A FR 9602957 A FR9602957 A FR 9602957A FR 2731548 B1 FR2731548 B1 FR 2731548B1
Authority
FR
France
Prior art keywords
path
pulse
search
positions
candidate
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.)
Expired - Lifetime
Application number
FR9602957A
Other languages
English (en)
Other versions
FR2731548A1 (fr
Inventor
Jean Pierre Adoul
Claude Laflamme
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.)
Universite de Sherbrooke
Original Assignee
Universite de 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=27017596&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2731548(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Universite de Sherbrooke filed Critical Universite de Sherbrooke
Publication of FR2731548A1 publication Critical patent/FR2731548A1/fr
Application granted granted Critical
Publication of FR2731548B1 publication Critical patent/FR2731548B1/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
    • G10L19/107—Sparse pulse excitation, e.g. by using algebraic 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
    • 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
    • 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
    • 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
    • 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
    • G10L2019/0013—Codebook search algorithms
    • 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
    • G10L2019/0013—Codebook search algorithms
    • G10L2019/0014—Selection criteria for distances
    • 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)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Complex Calculations (AREA)
FR9602957A 1995-03-10 1996-03-08 Recherche profondeur d'abord dans un repertoire algebrique pour un encodage rapide de la paroie Expired - Lifetime FR2731548B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40178595A 1995-03-10 1995-03-10
US08/509,525 US5701392A (en) 1990-02-23 1995-07-31 Depth-first algebraic-codebook search for fast coding of speech

Publications (2)

Publication Number Publication Date
FR2731548A1 FR2731548A1 (fr) 1996-09-13
FR2731548B1 true FR2731548B1 (fr) 1998-11-06

Family

ID=27017596

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9602957A Expired - Lifetime FR2731548B1 (fr) 1995-03-10 1996-03-08 Recherche profondeur d'abord dans un repertoire algebrique pour un encodage rapide de la paroie

Country Status (24)

Country Link
US (1) US5701392A (fr)
EP (1) EP0813736B1 (fr)
JP (1) JP3160852B2 (fr)
KR (1) KR100299408B1 (fr)
CN (1) CN1114900C (fr)
AR (1) AR001189A1 (fr)
AT (1) ATE193392T1 (fr)
AU (1) AU707307B2 (fr)
BR (1) BR9607144A (fr)
CA (1) CA2213740C (fr)
DE (1) DE19609170B4 (fr)
DK (1) DK0813736T3 (fr)
ES (1) ES2112808B1 (fr)
FR (1) FR2731548B1 (fr)
GB (1) GB2299001B (fr)
HK (1) HK1001846A1 (fr)
IN (1) IN187842B (fr)
IT (1) IT1285305B1 (fr)
MX (1) MX9706885A (fr)
MY (1) MY119252A (fr)
PT (1) PT813736E (fr)
RU (1) RU2175454C2 (fr)
SE (1) SE520554C2 (fr)
WO (1) WO1996028810A1 (fr)

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DE19609170B4 (de) 2004-11-11
CA2213740A1 (fr) 1996-09-19
IT1285305B1 (it) 1998-06-03
AU4781196A (en) 1996-10-02
JPH11501131A (ja) 1999-01-26
ITTO960174A0 (fr) 1996-03-08
SE9600918L (sv) 1996-09-11
KR100299408B1 (ko) 2001-11-05
PT813736E (pt) 2000-11-30
ATE193392T1 (de) 2000-06-15
MX9706885A (es) 1998-03-31
CN1181151A (zh) 1998-05-06
AR001189A1 (es) 1997-09-24
CA2213740C (fr) 2003-01-21
EP0813736A1 (fr) 1997-12-29
DK0813736T3 (da) 2000-10-30
FR2731548A1 (fr) 1996-09-13
ES2112808B1 (es) 1998-11-16
HK1001846A1 (en) 1998-07-10
MY119252A (en) 2005-04-30
IN187842B (fr) 2002-07-06
SE9600918D0 (sv) 1996-03-08
GB2299001B (en) 1997-08-06
GB9605123D0 (en) 1996-05-08
WO1996028810A1 (fr) 1996-09-19
SE520554C2 (sv) 2003-07-22
GB2299001A (en) 1996-09-18
BR9607144A (pt) 1997-11-25
US5701392A (en) 1997-12-23
KR19980702890A (ko) 1998-08-05
ITTO960174A1 (it) 1997-09-08
CN1114900C (zh) 2003-07-16
AU707307B2 (en) 1999-07-08
RU2175454C2 (ru) 2001-10-27
ES2112808A1 (es) 1998-04-01
DE19609170A1 (de) 1996-09-19
JP3160852B2 (ja) 2001-04-25
EP0813736B1 (fr) 2000-05-24

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