BRPI0915450A2 - dispositivo e método para quantizar e quantizar inverso filtros de lpc em um superquadro - Google Patents

dispositivo e método para quantizar e quantizar inverso filtros de lpc em um superquadro

Info

Publication number
BRPI0915450A2
BRPI0915450A2 BRPI0915450A BRPI0915450A BRPI0915450A2 BR PI0915450 A2 BRPI0915450 A2 BR PI0915450A2 BR PI0915450 A BRPI0915450 A BR PI0915450A BR PI0915450 A BRPI0915450 A BR PI0915450A BR PI0915450 A2 BRPI0915450 A2 BR PI0915450A2
Authority
BR
Brazil
Prior art keywords
quantizing
superframe
lpc filters
inverse lpc
inverse
Prior art date
Application number
BRPI0915450A
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 BRPI0915450A2 publication Critical patent/BRPI0915450A2/pt
Publication of BRPI0915450B1 publication Critical patent/BRPI0915450B1/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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (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)
BRPI0915450-7A 2008-07-10 2009-07-10 Dispositivo e método para quantizar e quantizar inversamente filtros de lpc em um superquadro BRPI0915450B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US12966908P 2008-07-10 2008-07-10
US61/129,669 2008-07-10
US20207509P 2009-01-27 2009-01-27
US61/202,075 2009-01-27
PCT/CA2009/000979 WO2010003252A1 (en) 2008-07-10 2009-07-10 Device and method for quantizing and inverse quantizing lpc filters in a super-frame

Publications (2)

Publication Number Publication Date
BRPI0915450A2 true BRPI0915450A2 (pt) 2017-06-27
BRPI0915450B1 BRPI0915450B1 (pt) 2020-03-10

Family

ID=41506638

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0915450-7A BRPI0915450B1 (pt) 2008-07-10 2009-07-10 Dispositivo e método para quantizar e quantizar inversamente filtros de lpc em um superquadro

Country Status (16)

Country Link
US (4) US9245532B2 (pt)
EP (3) EP2301022B1 (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)
MX (1) MX2011000363A (pt)
NO (1) NO2313887T3 (pt)
PL (1) PL2313887T3 (pt)
PT (3) PT2301022T (pt)
RU (2) RU2011104813A (pt)
WO (3) WO2010003253A1 (pt)

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Also Published As

Publication number Publication date
EP2301022A4 (en) 2012-08-15
CA2972808A1 (en) 2010-01-14
KR20110042303A (ko) 2011-04-26
CA2729665A1 (en) 2010-01-14
CA2729751C (en) 2017-10-24
EP2313887A1 (en) 2011-04-27
US20100023325A1 (en) 2010-01-28
EP2301021A1 (en) 2011-03-30
RU2011104784A (ru) 2012-08-20
US8712764B2 (en) 2014-04-29
DK2301022T3 (en) 2017-12-04
CA2729752A1 (en) 2010-01-14
HK1154109A1 (en) 2012-04-13
ES2650492T3 (es) 2018-01-18
CN102119414A (zh) 2011-07-06
CA2729752C (en) 2018-06-05
CY1119659T1 (el) 2018-04-04
HK1153840A1 (en) 2012-04-05
CN102089810B (zh) 2013-05-08
CA2972808C (en) 2018-12-18
US20100023324A1 (en) 2010-01-28
PT2313887T (pt) 2017-11-14
JP2011527441A (ja) 2011-10-27
JP5710476B2 (ja) 2015-04-30
KR20110044222A (ko) 2011-04-28
RU2011104813A (ru) 2012-08-20
CY1119501T1 (el) 2018-03-07
JP2011527442A (ja) 2011-10-27
USRE49363E1 (en) 2023-01-10
KR101604774B1 (ko) 2016-03-18
US20100023323A1 (en) 2010-01-28
KR101592968B1 (ko) 2016-02-11
CA2972812A1 (en) 2010-01-14
MX2011000363A (es) 2011-06-16
PT2301021T (pt) 2017-09-22
ES2639747T3 (es) 2017-10-30
CN102089810A (zh) 2011-06-08
EP2301022A1 (en) 2011-03-30
EP2313887A4 (en) 2013-11-27
WO2010003252A1 (en) 2010-01-14
CA2972812C (en) 2018-07-24
ES2645375T3 (es) 2017-12-05
EP2301022B1 (en) 2017-09-06
CN102119414B (zh) 2013-04-24
US8332213B2 (en) 2012-12-11
NO2313887T3 (pt) 2018-02-10
EP2313887B1 (en) 2017-09-13
WO2010003253A8 (en) 2010-04-01
WO2010003253A1 (en) 2010-01-14
US9245532B2 (en) 2016-01-26
BRPI0915450B1 (pt) 2020-03-10
WO2010003254A1 (en) 2010-01-14
CA2729665E (en) 2010-01-14
RU2509379C2 (ru) 2014-03-10
EP2301021A4 (en) 2012-08-15
CA2729751A1 (en) 2010-01-14
DK2313887T3 (da) 2017-11-13
PT2301022T (pt) 2017-12-12
CY1119494T1 (el) 2018-03-07
DK2301021T3 (en) 2017-09-18
EP2301021B1 (en) 2017-06-21
CA2729665C (en) 2016-11-22
PL2313887T3 (pl) 2018-01-31

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