PT3125243T - Dispositivo de descodificação de áudio, dispositivo de codificação de áudio, método de descodificação de áudio, método de codificação de áudio, programa de descodificação de áudio e programa de codificação de áudio - Google Patents

Dispositivo de descodificação de áudio, dispositivo de codificação de áudio, método de descodificação de áudio, método de codificação de áudio, programa de descodificação de áudio e programa de codificação de áudio

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Publication number
PT3125243T
PT3125243T PT157689076T PT15768907T PT3125243T PT 3125243 T PT3125243 T PT 3125243T PT 157689076 T PT157689076 T PT 157689076T PT 15768907 T PT15768907 T PT 15768907T PT 3125243 T PT3125243 T PT 3125243T
Authority
PT
Portugal
Prior art keywords
audio
program
encoding
decoding
audio decoding
Prior art date
Application number
PT157689076T
Other languages
English (en)
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 PT3125243T publication Critical patent/PT3125243T/pt

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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
    • G10L19/008—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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
PT157689076T 2014-03-24 2015-03-20 Dispositivo de descodificação de áudio, dispositivo de codificação de áudio, método de descodificação de áudio, método de codificação de áudio, programa de descodificação de áudio e programa de codificação de áudio PT3125243T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014060650A JP6035270B2 (ja) 2014-03-24 2014-03-24 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム

Publications (1)

Publication Number Publication Date
PT3125243T true PT3125243T (pt) 2020-02-14

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PT192055960T PT3621073T (pt) 2014-03-24 2015-03-20 Dispositivo de descodificação de áudio, dispositivo de codificação de áudio, método de descodificação de áudio, método de codificação de áudio, programa de descodificação de áudio e programa de codificação de áudio
PT157689076T PT3125243T (pt) 2014-03-24 2015-03-20 Dispositivo de descodificação de áudio, dispositivo de codificação de áudio, método de descodificação de áudio, método de codificação de áudio, programa de descodificação de áudio e programa de codificação de áudio

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Country Status (20)

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US (3) US10410647B2 (pt)
EP (3) EP4293667A3 (pt)
JP (1) JP6035270B2 (pt)
KR (7) KR101906524B1 (pt)
CN (2) CN106133829B (pt)
AU (7) AU2015235133B2 (pt)
BR (1) BR112016021165B1 (pt)
CA (2) CA2942885C (pt)
DK (2) DK3621073T3 (pt)
ES (2) ES2772173T3 (pt)
FI (1) FI3621073T3 (pt)
HU (1) HUE065961T2 (pt)
MX (1) MX354434B (pt)
MY (1) MY165849A (pt)
PH (1) PH12016501844A1 (pt)
PL (2) PL3125243T3 (pt)
PT (2) PT3621073T (pt)
RU (7) RU2631155C1 (pt)
TW (6) TWI807906B (pt)
WO (1) WO2015146860A1 (pt)

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JP5997592B2 (ja) 2012-04-27 2016-09-28 株式会社Ｎｔｔドコモ 音声復号装置
JP6035270B2 (ja) 2014-03-24 2016-11-30 株式会社Ｎｔｔドコモ 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム

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AU2018201468A1 (en) 2018-03-22
US20170117000A1 (en) 2017-04-27
TW201937483A (zh) 2019-09-16
EP3125243B1 (en) 2020-01-08
DK3125243T3 (da) 2020-02-17
MY165849A (en) 2018-05-17
EP4293667A3 (en) 2024-06-12
HUE065961T2 (hu) 2024-06-28
CN106133829A (zh) 2016-11-16
CA2990392A1 (en) 2015-10-01
EP3621073A1 (en) 2020-03-11
KR102126044B1 (ko) 2020-07-08
KR20190122896A (ko) 2019-10-30
FI3621073T3 (fi) 2024-03-13
RU2751150C1 (ru) 2021-07-08
WO2015146860A1 (ja) 2015-10-01
AU2015235133B2 (en) 2017-11-30
CA2942885A1 (en) 2015-10-01
PT3621073T (pt) 2024-03-12
AU2021200603A1 (en) 2021-03-04
AU2021200604A1 (en) 2021-03-04
KR20160119252A (ko) 2016-10-12
KR101782935B1 (ko) 2017-09-28
KR20200074279A (ko) 2020-06-24
DK3621073T3 (da) 2024-03-11
RU2707722C2 (ru) 2019-11-28
KR102124962B1 (ko) 2020-07-07
TWI773992B (zh) 2022-08-11
PH12016501844B1 (en) 2016-12-19
TWI807906B (zh) 2023-07-01
TW201603007A (zh) 2016-01-16
AU2019257487A1 (en) 2019-11-21
TW201810251A (zh) 2018-03-16
CA2990392C (en) 2021-08-03
KR20180110244A (ko) 2018-10-08
TWI666632B (zh) 2019-07-21
AU2015235133A1 (en) 2016-10-06
PL3621073T3 (pl) 2024-05-20
US10410647B2 (en) 2019-09-10
RU2741486C1 (ru) 2021-01-26
RU2631155C1 (ru) 2017-09-19
RU2654141C1 (ru) 2018-05-16
KR102089602B1 (ko) 2020-03-16
CN107767876A (zh) 2018-03-06
TWI696994B (zh) 2020-06-21
AU2021200607A1 (en) 2021-03-04
US20220366924A1 (en) 2022-11-17
KR20200030125A (ko) 2020-03-19
AU2019257487B2 (en) 2020-12-24
JP2015184470A (ja) 2015-10-22
ES2772173T3 (es) 2020-07-07
KR102038077B1 (ko) 2019-10-29
EP3125243A1 (en) 2017-02-01
AU2021200603B2 (en) 2022-03-10
RU2018115787A3 (pt) 2019-10-28
RU2018115787A (ru) 2019-10-28
AU2019257495B2 (en) 2020-12-24
PH12016501844A1 (en) 2016-12-19
AU2021200604B2 (en) 2022-03-17
BR112016021165B1 (pt) 2020-11-10
KR20200028512A (ko) 2020-03-16
AU2019257495A1 (en) 2019-11-21
EP4293667A2 (en) 2023-12-20
RU2732951C1 (ru) 2020-09-24
MX354434B (es) 2018-03-06
EP3621073B1 (en) 2024-02-14
ES2974029T3 (es) 2024-06-25
KR101906524B1 (ko) 2018-10-10
EP3125243A4 (en) 2017-05-17
RU2718421C1 (ru) 2020-04-02
KR20170110175A (ko) 2017-10-10
CA2942885C (en) 2018-02-20
TW202036541A (zh) 2020-10-01
US20190355371A1 (en) 2019-11-21
TWI608474B (zh) 2017-12-11
AU2021200607B2 (en) 2022-03-24
KR102208915B1 (ko) 2021-01-27
JP6035270B2 (ja) 2016-11-30
CN106133829B (zh) 2017-11-10
MX2016012393A (es) 2016-11-30
PL3125243T3 (pl) 2020-05-18
AU2018201468B2 (en) 2019-08-29
US11437053B2 (en) 2022-09-06
CN107767876B (zh) 2022-08-09
TW202242854A (zh) 2022-11-01
TW202338789A (zh) 2023-10-01

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