ITUD960012A0 - Codebook algebrico con ampiezze di impulso selezionate in funzione del segnale per la codifica rapida di un segnale sonoro - Google Patents

Codebook algebrico con ampiezze di impulso selezionate in funzione del segnale per la codifica rapida di un segnale sonoro

Info

Publication number
ITUD960012A0
ITUD960012A0 ITUD960012A ITUD960012A ITUD960012A0 IT UD960012 A0 ITUD960012 A0 IT UD960012A0 IT UD960012 A ITUD960012 A IT UD960012A IT UD960012 A ITUD960012 A IT UD960012A IT UD960012 A0 ITUD960012 A0 IT UD960012A0
Authority
IT
Italy
Prior art keywords
signal
selected depending
pulse amplitudes
algebraic codebook
sound signal
Prior art date
Application number
ITUD960012A
Other languages
English (en)
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.)
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Publication date
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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=ITUD960012(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of ITUD960012A0 publication Critical patent/ITUD960012A0/it
Publication of ITUD960012A1 publication Critical patent/ITUD960012A1/it
Application granted granted Critical
Publication of IT1305724B1 publication Critical patent/IT1305724B1/it

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L13/00—Speech synthesis; Text to speech systems
    • 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
    • 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
    • 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
    • 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
IT1996UD000012A 1995-02-06 1996-02-02 Codebook algebrico con ampiezze di impulso selezionate infunzione del segnale per la codifica rapida di un segnale IT1305724B1 (it)

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 (3)

Publication Number Publication Date
ITUD960012A0 true ITUD960012A0 (it) 1996-02-02
ITUD960012A1 ITUD960012A1 (it) 1997-08-02
IT1305724B1 IT1305724B1 (it) 2001-05-15

Family

ID=27010408

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1996UD000012A IT1305724B1 (it) 1995-02-06 1996-02-02 Codebook algebrico con ampiezze di impulso selezionate infunzione del segnale per la codifica rapida di un segnale

Country Status (26)

Country Link
US (1) US5754976A (it)
EP (2) EP1225568B1 (it)
JP (2) JP3430175B2 (it)
KR (2) KR100388751B1 (it)
CN (2) CN1198262C (it)
AR (1) AR000871A1 (it)
AT (2) ATE230888T1 (it)
AU (1) AU708392C (it)
BR (1) BR9607026A (it)
CA (1) CA2210765C (it)
DE (1) DE19604273C5 (it)
DK (2) DK1225568T3 (it)
ES (1) ES2112807B1 (it)
FI (2) FI117994B (it)
FR (1) FR2730336B1 (it)
GB (1) GB2297671B (it)
HK (2) HK1002492A1 (it)
IN (1) IN187453B (it)
IT (1) IT1305724B1 (it)
MX (1) MX9705997A (it)
MY (2) MY130529A (it)
NO (1) NO318595B1 (it)
PT (1) PT1225568E (it)
RU (1) RU2142166C1 (it)
SE (1) SE520553C2 (it)
WO (1) WO1996024925A1 (it)

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Publication number Publication date
JP3430175B2 (ja) 2003-07-28
DK1225568T3 (da) 2003-11-24
KR100393910B1 (ko) 2003-08-02
DK0808496T3 (da) 2003-04-22
FI117994B (fi) 2007-05-15
RU2142166C1 (ru) 1999-11-27
GB2297671A (en) 1996-08-07
AU4479696A (en) 1996-08-27
AR000871A1 (es) 1997-08-06
GB2297671B (en) 2000-01-19
MY119038A (en) 2005-03-31
ES2112807B1 (es) 1999-04-16
SE520553C2 (sv) 2003-07-22
DE19604273C5 (de) 2004-05-27
US5754976A (en) 1998-05-19
GB9602391D0 (en) 1996-04-03
CA2210765A1 (en) 1996-08-15
ATE230888T1 (de) 2003-01-15
PT1225568E (pt) 2004-01-30
CN1220178C (zh) 2005-09-21
FI973241A0 (fi) 1997-08-06
EP1225568B1 (en) 2003-08-27
CN1181150A (zh) 1998-05-06
ATE248423T1 (de) 2003-09-15
DE19604273C2 (de) 2000-06-29
MX9705997A (es) 1997-11-29
JP4187556B2 (ja) 2008-11-26
KR100388751B1 (ko) 2003-11-28
HK1055007A1 (en) 2003-12-19
BR9607026A (pt) 1997-11-04
FI118396B (fi) 2007-10-31
CA2210765C (en) 2001-08-21
EP1225568A1 (en) 2002-07-24
EP0808496A1 (en) 1997-11-26
CN1198262C (zh) 2005-04-20
MY130529A (en) 2007-06-29
FI973241A (fi) 1997-10-06
AU708392B2 (en) 1999-08-05
IT1305724B1 (it) 2001-05-15
WO1996024925A1 (en) 1996-08-15
AU708392C (en) 2003-01-09
DE19604273A1 (de) 1996-08-29
CN1410970A (zh) 2003-04-16
ES2112807A1 (es) 1998-04-01
NO973472L (no) 1997-10-06
KR19980701975A (ko) 1998-06-25
JP2003308100A (ja) 2003-10-31
FI20020320A (fi) 2002-02-18
IN187453B (it) 2002-04-27
SE9600437D0 (sv) 1996-02-06
FR2730336B1 (fr) 1997-08-14
NO318595B1 (no) 2005-04-18
NO973472D0 (no) 1997-07-28
FR2730336A1 (fr) 1996-08-09
JPH10513571A (ja) 1998-12-22
EP0808496B1 (en) 2003-01-08
HK1002492A1 (en) 1998-08-28
ITUD960012A1 (it) 1997-08-02

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