SE9600918D0 - Algebraisk djupet-först-kodbokssökning för snabb kodning av tal - Google Patents

Algebraisk djupet-först-kodbokssökning för snabb kodning av tal

Info

Publication number
SE9600918D0
SE9600918D0 SE9600918A SE9600918A SE9600918D0 SE 9600918 D0 SE9600918 D0 SE 9600918D0 SE 9600918 A SE9600918 A SE 9600918A SE 9600918 A SE9600918 A SE 9600918A SE 9600918 D0 SE9600918 D0 SE 9600918D0
Authority
SE
Sweden
Prior art keywords
path
pulse
search
positions
candidate
Prior art date
Application number
SE9600918A
Other languages
English (en)
Other versions
SE9600918L (sv
SE520554C2 (sv
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=SE9600918(D0) "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 SE9600918D0 publication Critical patent/SE9600918D0/sv
Publication of SE9600918L publication Critical patent/SE9600918L/sv
Publication of SE520554C2 publication Critical patent/SE520554C2/sv

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
SE9600918A 1995-03-10 1996-03-08 Algebraisk djupet-först-kodbokssökning för snabb kodning av tal SE520554C2 (sv)

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 (3)

Publication Number Publication Date
SE9600918D0 true SE9600918D0 (sv) 1996-03-08
SE9600918L SE9600918L (sv) 1996-09-11
SE520554C2 SE520554C2 (sv) 2003-07-22

Family

ID=27017596

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9600918A SE520554C2 (sv) 1995-03-10 1996-03-08 Algebraisk djupet-först-kodbokssökning för snabb kodning av tal

Country Status (24)

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

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Also Published As

Publication number Publication date
JP3160852B2 (ja) 2001-04-25
ES2112808A1 (es) 1998-04-01
AU4781196A (en) 1996-10-02
HK1001846A1 (en) 1998-07-10
IT1285305B1 (it) 1998-06-03
IN187842B (sv) 2002-07-06
SE9600918L (sv) 1996-09-11
WO1996028810A1 (en) 1996-09-19
GB2299001A (en) 1996-09-18
RU2175454C2 (ru) 2001-10-27
CA2213740C (en) 2003-01-21
JPH11501131A (ja) 1999-01-26
GB9605123D0 (en) 1996-05-08
EP0813736A1 (en) 1997-12-29
DK0813736T3 (da) 2000-10-30
KR19980702890A (ko) 1998-08-05
ITTO960174A0 (sv) 1996-03-08
MX9706885A (es) 1998-03-31
ITTO960174A1 (it) 1997-09-08
CA2213740A1 (en) 1996-09-19
BR9607144A (pt) 1997-11-25
AR001189A1 (es) 1997-09-24
FR2731548B1 (fr) 1998-11-06
KR100299408B1 (ko) 2001-11-05
AU707307B2 (en) 1999-07-08
MY119252A (en) 2005-04-30
CN1181151A (zh) 1998-05-06
ATE193392T1 (de) 2000-06-15
SE520554C2 (sv) 2003-07-22
US5701392A (en) 1997-12-23
DE19609170A1 (de) 1996-09-19
DE19609170B4 (de) 2004-11-11
GB2299001B (en) 1997-08-06
FR2731548A1 (fr) 1996-09-13
ES2112808B1 (es) 1998-11-16
EP0813736B1 (en) 2000-05-24
CN1114900C (zh) 2003-07-16
PT813736E (pt) 2000-11-30

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