HK1209229A1 - 音頻編碼裝置、音頻編碼方法和音頻編碼程序以及音頻解碼裝置、音頻解碼方法和音頻解碼程序 - Google Patents

音頻編碼裝置、音頻編碼方法和音頻編碼程序以及音頻解碼裝置、音頻解碼方法和音頻解碼程序

Info

Publication number
HK1209229A1
HK1209229A1 HK15109631.9A HK15109631A HK1209229A1 HK 1209229 A1 HK1209229 A1 HK 1209229A1 HK 15109631 A HK15109631 A HK 15109631A HK 1209229 A1 HK1209229 A1 HK 1209229A1
Authority
HK
Hong Kong
Prior art keywords
audio
program
coding
decoding
audio coding
Prior art date
Application number
HK15109631.9A
Other languages
English (en)
Inventor
Kimitaka Tsutsumi
Kei Kikuiri
Atsushi Yamaguchi
Original Assignee
Ntt Docomo Inc
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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of HK1209229A1 publication Critical patent/HK1209229A1/zh

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
    • G10L19/08—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
    • G10L19/125—Pitch excitation, e.g. pitch synchronous innovation CELP [PSI-CELP]
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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
    • G10L19/08—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 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
HK15109631.9A 2012-11-15 2015-09-30 音頻編碼裝置、音頻編碼方法和音頻編碼程序以及音頻解碼裝置、音頻解碼方法和音頻解碼程序 HK1209229A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012251646 2012-11-15
PCT/JP2013/080589 WO2014077254A1 (ja) 2012-11-15 2013-11-12 音声符号化装置、音声符号化方法、音声符号化プログラム、音声復号装置、音声復号方法及び音声復号プログラム

Publications (1)

Publication Number Publication Date
HK1209229A1 true HK1209229A1 (zh) 2016-03-24

Family

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Family Applications (1)

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HK15109631.9A HK1209229A1 (zh) 2012-11-15 2015-09-30 音頻編碼裝置、音頻編碼方法和音頻編碼程序以及音頻解碼裝置、音頻解碼方法和音頻解碼程序

Country Status (18)

Country Link
US (7) US9564143B2 (zh)
EP (2) EP2922053B1 (zh)
JP (8) JP6158214B2 (zh)
KR (10) KR101812123B1 (zh)
CN (2) CN104781876B (zh)
AU (6) AU2013345949B2 (zh)
BR (1) BR112015008505B1 (zh)
CA (4) CA2886140C (zh)
DK (1) DK2922053T3 (zh)
ES (1) ES2747353T3 (zh)
HK (1) HK1209229A1 (zh)
IN (1) IN2015DN02595A (zh)
MX (3) MX345692B (zh)
PL (1) PL2922053T3 (zh)
PT (1) PT2922053T (zh)
RU (8) RU2612581C2 (zh)
TW (2) TWI587284B (zh)
WO (1) WO2014077254A1 (zh)

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EP2922053B1 (en) 2019-08-28
EP3579228A1 (en) 2019-12-11
RU2640743C1 (ru) 2018-01-11
TW201432670A (zh) 2014-08-16
CA2886140A1 (en) 2014-05-22
CA3044983C (en) 2022-07-12
BR112015008505B1 (pt) 2021-10-26
AU2019202186B2 (en) 2020-12-03
US20200126578A1 (en) 2020-04-23
AU2013345949B2 (en) 2017-05-04
MX362139B (es) 2019-01-07
PT2922053T (pt) 2019-10-15
EP2922053A1 (en) 2015-09-23
US20200126577A1 (en) 2020-04-23
KR20210118988A (ko) 2021-10-01
KR101689766B1 (ko) 2016-12-26
CN107256709A (zh) 2017-10-17
US20170148459A1 (en) 2017-05-25
US11195538B2 (en) 2021-12-07
US20180122394A1 (en) 2018-05-03
TW201635274A (zh) 2016-10-01
DK2922053T3 (da) 2019-09-23
JP6793675B2 (ja) 2020-12-02
US20200126576A1 (en) 2020-04-23
KR102110853B1 (ko) 2020-05-14
WO2014077254A1 (ja) 2014-05-22
KR20180115357A (ko) 2018-10-22
JP2021092814A (ja) 2021-06-17
ES2747353T3 (es) 2020-03-10
AU2020294317B2 (en) 2022-03-31
US20150262588A1 (en) 2015-09-17
JP6846500B2 (ja) 2021-03-24
KR102307492B1 (ko) 2021-09-29
MX2015005885A (es) 2015-09-23
KR102259112B1 (ko) 2021-05-31
AU2020294317A1 (en) 2021-02-25
RU2612581C2 (ru) 2017-03-09
KR20200124339A (ko) 2020-11-02
EP2922053A4 (en) 2016-07-06
KR102173422B1 (ko) 2020-11-03
CN107256709B (zh) 2021-02-26
AU2022202856A1 (en) 2022-05-19
KR20160111550A (ko) 2016-09-26
CN104781876A (zh) 2015-07-15
KR20200051858A (ko) 2020-05-13
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CA2886140C (en) 2021-03-23
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US10553231B2 (en) 2020-02-04
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JP7209032B2 (ja) 2023-01-19
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KR20200123285A (ko) 2020-10-28
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US9881627B2 (en) 2018-01-30
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JP6626026B2 (ja) 2019-12-25
RU2722510C1 (ru) 2020-06-01
IN2015DN02595A (zh) 2015-09-11
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US9564143B2 (en) 2017-02-07
KR102302012B1 (ko) 2021-09-13
US11749292B2 (en) 2023-09-05
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US11176955B2 (en) 2021-11-16
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PL2922053T3 (pl) 2019-11-29
AU2022202856B2 (en) 2023-06-08
KR102171293B1 (ko) 2020-10-28
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JP2016197254A (ja) 2016-11-24
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CN104781876B (zh) 2017-07-21
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US11211077B2 (en) 2021-12-28
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JP2019070866A (ja) 2019-05-09
RU2665301C1 (ru) 2018-08-28
AU2019202186A1 (en) 2019-04-18

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