PT1225568E - Livro de codigos algebricos com amplitudes de impulsos seleccionadas por sinais para codificacao rapida de voz - Google Patents

Livro de codigos algebricos com amplitudes de impulsos seleccionadas por sinais para codificacao rapida de voz

Info

Publication number
PT1225568E
PT1225568E PT02075797T PT02075797T PT1225568E PT 1225568 E PT1225568 E PT 1225568E PT 02075797 T PT02075797 T PT 02075797T PT 02075797 T PT02075797 T PT 02075797T PT 1225568 E PT1225568 E PT 1225568E
Authority
PT
Portugal
Prior art keywords
amplitude
subset
zero
algebric
signs
Prior art date
Application number
PT02075797T
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=27010408&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT1225568(E) "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 PT1225568E publication Critical patent/PT1225568E/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
    • G10L13/00—Speech synthesis; Text to speech systems
    • 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
    • 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
    • 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)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
PT02075797T 1995-02-06 1996-02-02 Livro de codigos algebricos com amplitudes de impulsos seleccionadas por sinais para codificacao rapida de voz PT1225568E (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38396895A 1995-02-06 1995-02-06
US08/508,801 US5754976A (en) 1990-02-23 1995-07-28 Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech

Publications (1)

Publication Number Publication Date
PT1225568E true PT1225568E (pt) 2004-01-30

Family

ID=27010408

Family Applications (1)

Application Number Title Priority Date Filing Date
PT02075797T PT1225568E (pt) 1995-02-06 1996-02-02 Livro de codigos algebricos com amplitudes de impulsos seleccionadas por sinais para codificacao rapida de voz

Country Status (26)

Country Link
US (1) US5754976A (pt)
EP (2) EP1225568B1 (pt)
JP (2) JP3430175B2 (pt)
KR (2) KR100388751B1 (pt)
CN (2) CN1198262C (pt)
AR (1) AR000871A1 (pt)
AT (2) ATE230888T1 (pt)
AU (1) AU708392C (pt)
BR (1) BR9607026A (pt)
CA (1) CA2210765C (pt)
DE (1) DE19604273C5 (pt)
DK (2) DK0808496T3 (pt)
ES (1) ES2112807B1 (pt)
FI (2) FI117994B (pt)
FR (1) FR2730336B1 (pt)
GB (1) GB2297671B (pt)
HK (2) HK1002492A1 (pt)
IN (1) IN187453B (pt)
IT (1) IT1305724B1 (pt)
MX (1) MX9705997A (pt)
MY (2) MY130529A (pt)
NO (1) NO318595B1 (pt)
PT (1) PT1225568E (pt)
RU (1) RU2142166C1 (pt)
SE (1) SE520553C2 (pt)
WO (1) WO1996024925A1 (pt)

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Also Published As

Publication number Publication date
MY119038A (en) 2005-03-31
CN1181150A (zh) 1998-05-06
EP0808496A1 (en) 1997-11-26
IT1305724B1 (it) 2001-05-15
HK1002492A1 (en) 1998-08-28
SE9600437D0 (sv) 1996-02-06
KR19980701975A (ko) 1998-06-25
US5754976A (en) 1998-05-19
ATE248423T1 (de) 2003-09-15
GB9602391D0 (en) 1996-04-03
DE19604273C2 (de) 2000-06-29
NO318595B1 (no) 2005-04-18
FI20020320A (fi) 2002-02-18
NO973472L (no) 1997-10-06
FR2730336A1 (fr) 1996-08-09
MX9705997A (es) 1997-11-29
EP1225568B1 (en) 2003-08-27
GB2297671B (en) 2000-01-19
FI118396B (fi) 2007-10-31
FI973241A (fi) 1997-10-06
WO1996024925A1 (en) 1996-08-15
NO973472D0 (no) 1997-07-28
CA2210765C (en) 2001-08-21
AR000871A1 (es) 1997-08-06
JP3430175B2 (ja) 2003-07-28
HK1055007A1 (en) 2003-12-19
GB2297671A (en) 1996-08-07
DE19604273C5 (de) 2004-05-27
EP0808496B1 (en) 2003-01-08
ES2112807B1 (es) 1999-04-16
KR100393910B1 (ko) 2003-08-02
ITUD960012A0 (it) 1996-02-02
AU4479696A (en) 1996-08-27
SE520553C2 (sv) 2003-07-22
DK0808496T3 (da) 2003-04-22
AU708392B2 (en) 1999-08-05
JP4187556B2 (ja) 2008-11-26
FI117994B (fi) 2007-05-15
MY130529A (en) 2007-06-29
CA2210765A1 (en) 1996-08-15
JP2003308100A (ja) 2003-10-31
CN1198262C (zh) 2005-04-20
IN187453B (pt) 2002-04-27
FR2730336B1 (fr) 1997-08-14
KR100388751B1 (ko) 2003-11-28
EP1225568A1 (en) 2002-07-24
ITUD960012A1 (it) 1997-08-02
ES2112807A1 (es) 1998-04-01
DE19604273A1 (de) 1996-08-29
CN1410970A (zh) 2003-04-16
ATE230888T1 (de) 2003-01-15
BR9607026A (pt) 1997-11-04
JPH10513571A (ja) 1998-12-22
DK1225568T3 (da) 2003-11-24
AU708392C (en) 2003-01-09
RU2142166C1 (ru) 1999-11-27
FI973241A0 (fi) 1997-08-06
CN1220178C (zh) 2005-09-21

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