BR9607144A - Pesquisa de código algébrico depth-first para codificação rápida da fala - Google Patents

Pesquisa de código algébrico depth-first para codificação rápida da fala

Info

Publication number
BR9607144A
BR9607144A BR9607144A BR9607144A BR9607144A BR 9607144 A BR9607144 A BR 9607144A BR 9607144 A BR9607144 A BR 9607144A BR 9607144 A BR9607144 A BR 9607144A BR 9607144 A BR9607144 A BR 9607144A
Authority
BR
Brazil
Prior art keywords
path
pulse
search
positions
candidate
Prior art date
Application number
BR9607144A
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=27017596&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9607144(A) "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
Publication of BR9607144A publication Critical patent/BR9607144A/pt

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)
BR9607144A 1995-03-10 1996-03-05 Pesquisa de código algébrico depth-first para codificação rápida da fala BR9607144A (pt)

Applications Claiming Priority (3)

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
PCT/CA1996/000135 WO1996028810A1 (en) 1995-03-10 1996-03-05 Depth-first algebraic-codebook search for fast coding of speech

Publications (1)

Publication Number Publication Date
BR9607144A true BR9607144A (pt) 1997-11-25

Family

ID=27017596

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9607144A BR9607144A (pt) 1995-03-10 1996-03-05 Pesquisa de código algébrico depth-first para codificação rápida da fala

Country Status (24)

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

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GB9605123D0 (en) 1996-05-08
ITTO960174A1 (it) 1997-09-08
AR001189A1 (es) 1997-09-24
MX9706885A (es) 1998-03-31
SE9600918L (sv) 1996-09-11
US5701392A (en) 1997-12-23
ITTO960174A0 (pt) 1996-03-08
JP3160852B2 (ja) 2001-04-25
CN1114900C (zh) 2003-07-16
WO1996028810A1 (en) 1996-09-19
HK1001846A1 (en) 1998-07-10
IN187842B (pt) 2002-07-06
RU2175454C2 (ru) 2001-10-27
DK0813736T3 (da) 2000-10-30
FR2731548A1 (fr) 1996-09-13
ATE193392T1 (de) 2000-06-15
CA2213740C (en) 2003-01-21
MY119252A (en) 2005-04-30
EP0813736B1 (en) 2000-05-24
PT813736E (pt) 2000-11-30
AU707307B2 (en) 1999-07-08
ES2112808B1 (es) 1998-11-16
GB2299001A (en) 1996-09-18
FR2731548B1 (fr) 1998-11-06
JPH11501131A (ja) 1999-01-26
DE19609170B4 (de) 2004-11-11
CN1181151A (zh) 1998-05-06
EP0813736A1 (en) 1997-12-29
AU4781196A (en) 1996-10-02
KR19980702890A (ko) 1998-08-05
ES2112808A1 (es) 1998-04-01
CA2213740A1 (en) 1996-09-19
IT1285305B1 (it) 1998-06-03
SE9600918D0 (sv) 1996-03-08
DE19609170A1 (de) 1996-09-19
SE520554C2 (sv) 2003-07-22
KR100299408B1 (ko) 2001-11-05
GB2299001B (en) 1997-08-06

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