PT2301022T - Dispositivo e método de quantificação de filtros lpc com múltiplas referências - Google Patents

Dispositivo e método de quantificação de filtros lpc com múltiplas referências

Info

Publication number
PT2301022T
PT2301022T PT97937700T PT09793770T PT2301022T PT 2301022 T PT2301022 T PT 2301022T PT 97937700 T PT97937700 T PT 97937700T PT 09793770 T PT09793770 T PT 09793770T PT 2301022 T PT2301022 T PT 2301022T
Authority
PT
Portugal
Prior art keywords
lpc filter
quantization device
filter quantization
reference lpc
quantization
Prior art date
Application number
PT97937700T
Other languages
English (en)
Inventor
Bessette Bruno
Gournay Philippe
Salami Redwan
Original Assignee
Voiceage Corp
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
Application filed by Voiceage Corp filed Critical Voiceage Corp
Publication of PT2301022T publication Critical patent/PT2301022T/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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • 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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082—Vector coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
PT97937700T 2008-07-10 2009-07-10 Dispositivo e método de quantificação de filtros lpc com múltiplas referências PT2301022T (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12966908P 2008-07-10 2008-07-10
US20207509P 2009-01-27 2009-01-27

Publications (1)

Publication Number Publication Date
PT2301022T true PT2301022T (pt) 2017-12-12

Family

ID=41506638

Family Applications (3)

Application Number Title Priority Date Filing Date
PT97937692T PT2313887T (pt) 2008-07-10 2009-07-10 Dispositivo e método de quantificação de filtro de lpc de taxa de bits variável e quantificação inversa
PT97937684T PT2301021T (pt) 2008-07-10 2009-07-10 Dispositivo e método para quantizar e quantizar de modo inverso filtros lpc num super-frame
PT97937700T PT2301022T (pt) 2008-07-10 2009-07-10 Dispositivo e método de quantificação de filtros lpc com múltiplas referências

Family Applications Before (2)

Application Number Title Priority Date Filing Date
PT97937692T PT2313887T (pt) 2008-07-10 2009-07-10 Dispositivo e método de quantificação de filtro de lpc de taxa de bits variável e quantificação inversa
PT97937684T PT2301021T (pt) 2008-07-10 2009-07-10 Dispositivo e método para quantizar e quantizar de modo inverso filtros lpc num super-frame

Country Status (17)

Country Link
US (4) US9245532B2 (pt)
EP (3) EP2301021B1 (pt)
JP (2) JP5710476B2 (pt)
KR (2) KR101604774B1 (pt)
CN (2) CN102119414B (pt)
BR (1) BRPI0915450B1 (pt)
CA (5) CA2972812C (pt)
CY (3) CY1119501T1 (pt)
DK (3) DK2301022T3 (pt)
ES (3) ES2645375T3 (pt)
HK (2) HK1153840A1 (pt)
MX (1) MX2011000363A (pt)
NO (1) NO2313887T3 (pt)
PL (1) PL2313887T3 (pt)
PT (3) PT2313887T (pt)
RU (2) RU2011104813A (pt)
WO (3) WO2010003254A1 (pt)

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Also Published As

Publication number Publication date
PT2301021T (pt) 2017-09-22
DK2313887T3 (da) 2017-11-13
EP2313887A1 (en) 2011-04-27
KR20110042303A (ko) 2011-04-26
KR20110044222A (ko) 2011-04-28
RU2011104813A (ru) 2012-08-20
CA2729752A1 (en) 2010-01-14
US8332213B2 (en) 2012-12-11
BRPI0915450A2 (pt) 2017-06-27
DK2301021T3 (en) 2017-09-18
ES2645375T3 (es) 2017-12-05
US20100023325A1 (en) 2010-01-28
CA2972808C (en) 2018-12-18
WO2010003254A1 (en) 2010-01-14
EP2301021B1 (en) 2017-06-21
RU2509379C2 (ru) 2014-03-10
EP2301021A4 (en) 2012-08-15
RU2011104784A (ru) 2012-08-20
PT2313887T (pt) 2017-11-14
EP2313887A4 (en) 2013-11-27
JP5710476B2 (ja) 2015-04-30
US8712764B2 (en) 2014-04-29
EP2301022B1 (en) 2017-09-06
PL2313887T3 (pl) 2018-01-31
MX2011000363A (es) 2011-06-16
CA2972808A1 (en) 2010-01-14
WO2010003253A8 (en) 2010-04-01
CN102089810A (zh) 2011-06-08
CN102119414B (zh) 2013-04-24
HK1153840A1 (en) 2012-04-05
CA2972812A1 (en) 2010-01-14
ES2639747T3 (es) 2017-10-30
CA2729665A1 (en) 2010-01-14
CA2729665E (en) 2010-01-14
CA2729751A1 (en) 2010-01-14
CN102119414A (zh) 2011-07-06
CY1119494T1 (el) 2018-03-07
EP2301021A1 (en) 2011-03-30
CA2972812C (en) 2018-07-24
CA2729752C (en) 2018-06-05
EP2313887B1 (en) 2017-09-13
JP2011527441A (ja) 2011-10-27
USRE49363E1 (en) 2023-01-10
KR101604774B1 (ko) 2016-03-18
US20100023323A1 (en) 2010-01-28
US20100023324A1 (en) 2010-01-28
KR101592968B1 (ko) 2016-02-11
WO2010003253A1 (en) 2010-01-14
DK2301022T3 (en) 2017-12-04
ES2650492T3 (es) 2018-01-18
HK1154109A1 (en) 2012-04-13
WO2010003252A1 (en) 2010-01-14
CY1119659T1 (el) 2018-04-04
EP2301022A1 (en) 2011-03-30
JP2011527442A (ja) 2011-10-27
CA2729751C (en) 2017-10-24
EP2301022A4 (en) 2012-08-15
US9245532B2 (en) 2016-01-26
CA2729665C (en) 2016-11-22
CN102089810B (zh) 2013-05-08
BRPI0915450B1 (pt) 2020-03-10
NO2313887T3 (pt) 2018-02-10
CY1119501T1 (el) 2018-03-07

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