SG165383A1 - Parameter decoding device, parameter encoding device, and parameter decoding method - Google Patents

Parameter decoding device, parameter encoding device, and parameter decoding method

Info

Publication number
SG165383A1
SG165383A1 SG201006705-6A SG2010067056A SG165383A1 SG 165383 A1 SG165383 A1 SG 165383A1 SG 2010067056 A SG2010067056 A SG 2010067056A SG 165383 A1 SG165383 A1 SG 165383A1
Authority
SG
Singapore
Prior art keywords
frame
parameter
amplifier
outputted
weighting coefficient
Prior art date
Application number
SG201006705-6A
Other languages
English (en)
Inventor
Hiroyuki Ehara
Original Assignee
Panasonic 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 Panasonic Corp filed Critical Panasonic Corp
Publication of SG165383A1 publication Critical patent/SG165383A1/en

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
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] vocoders
SG201006705-6A 2006-11-10 2007-11-09 Parameter decoding device, parameter encoding device, and parameter decoding method SG165383A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006305861 2006-11-10
JP2007132195 2007-05-17
JP2007240198 2007-09-14

Publications (1)

Publication Number Publication Date
SG165383A1 true SG165383A1 (en) 2010-10-28

Family

ID=39364585

Family Applications (2)

Application Number Title Priority Date Filing Date
SG201006706-4A SG166095A1 (en) 2006-11-10 2007-11-09 Parameter decoding device, parameter encoding device, and parameter decoding method
SG201006705-6A SG165383A1 (en) 2006-11-10 2007-11-09 Parameter decoding device, parameter encoding device, and parameter decoding method

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SG201006706-4A SG166095A1 (en) 2006-11-10 2007-11-09 Parameter decoding device, parameter encoding device, and parameter decoding method

Country Status (10)

Country Link
US (3) US8468015B2 (zh)
EP (3) EP2088588B1 (zh)
JP (3) JP5121719B2 (zh)
KR (1) KR20090076964A (zh)
CN (3) CN102682775B (zh)
AU (1) AU2007318506B2 (zh)
BR (1) BRPI0721490A2 (zh)
RU (2) RU2011124080A (zh)
SG (2) SG166095A1 (zh)
WO (1) WO2008056775A1 (zh)

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Also Published As

Publication number Publication date
EP2538405B1 (en) 2015-07-08
CN102682774B (zh) 2014-10-08
US20130231940A1 (en) 2013-09-05
EP2538405A2 (en) 2012-12-26
JP5270025B2 (ja) 2013-08-21
SG166095A1 (en) 2010-11-29
US8468015B2 (en) 2013-06-18
JPWO2008056775A1 (ja) 2010-02-25
AU2007318506A1 (en) 2008-05-15
JP2012256070A (ja) 2012-12-27
EP2538405A3 (en) 2013-12-25
EP2538406A3 (en) 2014-01-08
AU2007318506A2 (en) 2010-09-23
EP2538406A2 (en) 2012-12-26
EP2088588A1 (en) 2009-08-12
JP5270026B2 (ja) 2013-08-21
US8538765B1 (en) 2013-09-17
KR20090076964A (ko) 2009-07-13
US20130253922A1 (en) 2013-09-26
CN101583995B (zh) 2012-06-27
CN102682775B (zh) 2014-10-08
US8712765B2 (en) 2014-04-29
CN101583995A (zh) 2009-11-18
CN102682775A (zh) 2012-09-19
AU2007318506B2 (en) 2012-03-08
EP2088588A4 (en) 2011-05-18
CN102682774A (zh) 2012-09-19
EP2538406B1 (en) 2015-03-11
JP5121719B2 (ja) 2013-01-16
EP2088588B1 (en) 2013-01-09
US20100057447A1 (en) 2010-03-04
RU2011124080A (ru) 2012-12-20
BRPI0721490A2 (pt) 2014-07-01
JP2013015851A (ja) 2013-01-24
RU2011124068A (ru) 2012-12-20
WO2008056775A1 (fr) 2008-05-15

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