MX345692B - Dispositivo codificador de audio, metodo de codificacion de audio, programa de codificacion de audio, dispositivo decodificador de audio, metodo de decodificacion de audio, y programa de decodificacion de audio. - Google Patents

Dispositivo codificador de audio, metodo de codificacion de audio, programa de codificacion de audio, dispositivo decodificador de audio, metodo de decodificacion de audio, y programa de decodificacion de audio.

Info

Publication number
MX345692B
MX345692B MX2015005885A MX2015005885A MX345692B MX 345692 B MX345692 B MX 345692B MX 2015005885 A MX2015005885 A MX 2015005885A MX 2015005885 A MX2015005885 A MX 2015005885A MX 345692 B MX345692 B MX 345692B
Authority
MX
Mexico
Prior art keywords
audio
additional information
unit
decoding
coding
Prior art date
Application number
MX2015005885A
Other languages
English (en)
Spanish (es)
Other versions
MX2015005885A (es
Inventor
Kikuiri Kei
Yamaguchi Atsushi
Tsutsumi Kimitaka
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 MX2015005885A publication Critical patent/MX2015005885A/es
Publication of MX345692B publication Critical patent/MX345692B/es

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (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)
MX2015005885A 2012-11-15 2013-11-12 Dispositivo codificador de audio, metodo de codificacion de audio, programa de codificacion de audio, dispositivo decodificador de audio, metodo de decodificacion de audio, y programa de decodificacion de audio. MX345692B (es)

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 (2)

Publication Number Publication Date
MX2015005885A MX2015005885A (es) 2015-09-23
MX345692B true MX345692B (es) 2017-02-10

Family

ID=50731166

Family Applications (3)

Application Number Title Priority Date Filing Date
MX2015005885A MX345692B (es) 2012-11-15 2013-11-12 Dispositivo codificador de audio, metodo de codificacion de audio, programa de codificacion de audio, dispositivo decodificador de audio, metodo de decodificacion de audio, y programa de decodificacion de audio.
MX2018016263A MX388837B (es) 2012-11-15 2013-11-12 Dispositivo codificador de audio, metodo de codificacion de audio, programa de codificacion de audio, dispositivo decodificador de audio, metodo de decodificacion de audio, y programa de decodificacion de audio
MX2017001865A MX362139B (es) 2012-11-15 2013-11-12 Dispositivo codificador de audio, metodo de codificacion de audio, programa de codificacion de audio, dispositivo decodificador de audio, metodo de decodificacion de audio, y programa de decodificacion de audio.

Family Applications After (2)

Application Number Title Priority Date Filing Date
MX2018016263A MX388837B (es) 2012-11-15 2013-11-12 Dispositivo codificador de audio, metodo de codificacion de audio, programa de codificacion de audio, dispositivo decodificador de audio, metodo de decodificacion de audio, y programa de decodificacion de audio
MX2017001865A MX362139B (es) 2012-11-15 2013-11-12 Dispositivo codificador de audio, metodo de codificacion de audio, programa de codificacion de audio, dispositivo decodificador de audio, metodo de decodificacion de audio, y programa de decodificacion de audio.

Country Status (20)

Country Link
US (7) US9564143B2 (enExample)
EP (4) EP2922053B1 (enExample)
JP (8) JP6158214B2 (enExample)
KR (10) KR102307492B1 (enExample)
CN (2) CN107256709B (enExample)
AU (7) AU2013345949B2 (enExample)
BR (1) BR112015008505B1 (enExample)
CA (4) CA3127953C (enExample)
DK (2) DK3579228T3 (enExample)
ES (2) ES3026208T3 (enExample)
FI (1) FI3579228T3 (enExample)
HK (1) HK1209229A1 (enExample)
HU (1) HUE070987T2 (enExample)
IN (1) IN2015DN02595A (enExample)
MX (3) MX345692B (enExample)
PL (2) PL3579228T3 (enExample)
PT (2) PT3579228T (enExample)
RU (8) RU2640743C1 (enExample)
TW (2) TWI547940B (enExample)
WO (1) WO2014077254A1 (enExample)

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JP2017138607A (ja) 2017-08-10
CA3044983A1 (en) 2014-05-22
KR20160111550A (ko) 2016-09-26
US20180122394A1 (en) 2018-05-03
US20200126578A1 (en) 2020-04-23
EP2922053B1 (en) 2019-08-28
PL3579228T3 (pl) 2025-06-02
JP6872597B2 (ja) 2021-05-19
HUE070987T2 (hu) 2025-07-28
KR20150056614A (ko) 2015-05-26
JP2020034951A (ja) 2020-03-05
MX2015005885A (es) 2015-09-23
PL2922053T3 (pl) 2019-11-29
US11195538B2 (en) 2021-12-07
CA3127953C (en) 2023-09-26
KR20200051858A (ko) 2020-05-13
WO2014077254A1 (ja) 2014-05-22
US11176955B2 (en) 2021-11-16
CN107256709B (zh) 2021-02-26
RU2015122777A (ru) 2017-01-10
KR20200124339A (ko) 2020-11-02
AU2023208191A1 (en) 2023-08-17
EP2922053A1 (en) 2015-09-23
TWI547940B (zh) 2016-09-01
JP6793675B2 (ja) 2020-12-02
KR102302012B1 (ko) 2021-09-13
RU2640743C1 (ru) 2018-01-11
US10553231B2 (en) 2020-02-04
JP7209032B2 (ja) 2023-01-19
EP4546653A2 (en) 2025-04-30
CN104781876B (zh) 2017-07-21
KR20210118988A (ko) 2021-10-01
AU2013345949B2 (en) 2017-05-04
PT3579228T (pt) 2025-04-29
AU2022202856A1 (en) 2022-05-19
BR112015008505B1 (pt) 2021-10-26
RU2737465C1 (ru) 2020-11-30
CN107256709A (zh) 2017-10-17
AU2017208369B2 (en) 2019-01-03
KR102173422B1 (ko) 2020-11-03
JP2018112749A (ja) 2018-07-19
CA3210225A1 (en) 2014-05-22
KR102459376B1 (ko) 2022-10-25
EP2922053A4 (en) 2016-07-06
KR101689766B1 (ko) 2016-12-26
US20150262588A1 (en) 2015-09-17
CA3127953A1 (en) 2014-05-22
KR102307492B1 (ko) 2021-09-29
RU2722510C1 (ru) 2020-06-01
JP2019070866A (ja) 2019-05-09
AU2023208191B2 (en) 2024-09-26
US11749292B2 (en) 2023-09-05
AU2013345949A1 (en) 2015-04-16
AU2022202856B2 (en) 2023-06-08
DK3579228T3 (da) 2025-04-22
CA2886140A1 (en) 2014-05-22
CA3044983C (en) 2022-07-12
EP3579228B1 (en) 2025-04-02
AU2020294317B2 (en) 2022-03-31
US11211077B2 (en) 2021-12-28
RU2612581C2 (ru) 2017-03-09
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US20220059108A1 (en) 2022-02-24
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IN2015DN02595A (enExample) 2015-09-11
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US20200126577A1 (en) 2020-04-23
AU2020294317A1 (en) 2021-02-25
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PT2922053T (pt) 2019-10-15
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