PT3579228T - Dispositivo de codificação de áudio - Google Patents

Dispositivo de codificação de áudio

Info

Publication number
PT3579228T
PT3579228T PT191854900T PT19185490T PT3579228T PT 3579228 T PT3579228 T PT 3579228T PT 191854900 T PT191854900 T PT 191854900T PT 19185490 T PT19185490 T PT 19185490T PT 3579228 T PT3579228 T PT 3579228T
Authority
PT
Portugal
Prior art keywords
audio
program
coding
decoding
audio coding
Prior art date
Application number
PT191854900T
Other languages
English (en)
Portuguese (pt)
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 PT3579228T publication Critical patent/PT3579228T/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
    • G10L19/08—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)
  • 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)
PT191854900T 2012-11-15 2013-11-12 Dispositivo de codificação de áudio PT3579228T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012251646 2012-11-15

Publications (1)

Publication Number Publication Date
PT3579228T true PT3579228T (pt) 2025-04-29

Family

ID=50731166

Family Applications (2)

Application Number Title Priority Date Filing Date
PT191854900T PT3579228T (pt) 2012-11-15 2013-11-12 Dispositivo de codificação de áudio
PT138548797T PT2922053T (pt) 2012-11-15 2013-11-12 Dispositivo de codificação de áudio, método de codificação de áudio, programa de codificação de áudio, dispositivo de descodificação de áudio, método de descodificação de áudio, e programa de descodificação de áudio

Family Applications After (1)

Application Number Title Priority Date Filing Date
PT138548797T PT2922053T (pt) 2012-11-15 2013-11-12 Dispositivo de codificação de áudio, método de codificação de áudio, programa de codificação de áudio, dispositivo de descodificação de áudio, método de descodificação de áudio, e programa de descodificação de áudio

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
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
MX345692B (es) 2017-02-10
AU2020294317B2 (en) 2022-03-31
US11211077B2 (en) 2021-12-28
RU2612581C2 (ru) 2017-03-09
MX388837B (es) 2025-03-20
KR20170141827A (ko) 2017-12-26
JP6626026B2 (ja) 2019-12-25
EP4525312A2 (en) 2025-03-19
CN104781876A (zh) 2015-07-15
US20220059108A1 (en) 2022-02-24
RU2690775C1 (ru) 2019-06-05
JP2020038396A (ja) 2020-03-12
MX2018016263A (es) 2021-12-16
KR102171293B1 (ko) 2020-10-28
KR20200123285A (ko) 2020-10-28
TWI587284B (zh) 2017-06-11
US9881627B2 (en) 2018-01-30
KR101780667B1 (ko) 2017-09-21
EP4525312A3 (en) 2025-05-14
IN2015DN02595A (enExample) 2015-09-11
KR101812123B1 (ko) 2017-12-26
RU2665301C1 (ru) 2018-08-28
US20200126576A1 (en) 2020-04-23
RU2760485C1 (ru) 2021-11-25
JP2016197254A (ja) 2016-11-24
HK1209229A1 (en) 2016-03-24
AU2019202186B2 (en) 2020-12-03
KR20170107590A (ko) 2017-09-25
US9564143B2 (en) 2017-02-07
US20170148459A1 (en) 2017-05-25
BR112015008505A2 (pt) 2020-01-07
JP6846500B2 (ja) 2021-03-24
JPWO2014077254A1 (ja) 2017-01-05
JP6659882B2 (ja) 2020-03-04
KR20190133302A (ko) 2019-12-02
US20200126577A1 (en) 2020-04-23
AU2020294317A1 (en) 2021-02-25
TW201635274A (zh) 2016-10-01
MX362139B (es) 2019-01-07
ES3026208T3 (en) 2025-06-10
KR102259112B1 (ko) 2021-05-31
PT2922053T (pt) 2019-10-15
AU2024267059A1 (en) 2024-12-19
EP4546653A3 (en) 2025-06-25
ES2747353T3 (es) 2020-03-10
JP2021092814A (ja) 2021-06-17
AU2019202186A1 (en) 2019-04-18
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KR20180115357A (ko) 2018-10-22
RU2713605C1 (ru) 2020-02-05
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TW201432670A (zh) 2014-08-16
EP3579228A1 (en) 2019-12-11
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FI3579228T3 (fi) 2025-05-12

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