BR112016003291A8 - dispositivo de processamento de sinal de áudio e método de processamento de sinal de áudio - Google Patents

dispositivo de processamento de sinal de áudio e método de processamento de sinal de áudio Download PDF

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Publication number
BR112016003291A8
BR112016003291A8 BR112016003291A BR112016003291A BR112016003291A8 BR 112016003291 A8 BR112016003291 A8 BR 112016003291A8 BR 112016003291 A BR112016003291 A BR 112016003291A BR 112016003291 A BR112016003291 A BR 112016003291A BR 112016003291 A8 BR112016003291 A8 BR 112016003291A8
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Brazil
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signal processing
audio signal
processing device
discontinuity
audio
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BR112016003291A
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BR112016003291B1 (pt
Inventor
Yamaguchi Atsushi
Kikuiri Kei
Tsutsumi Kimitaka
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Ntt Docomo Inc
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Priority to BR122017020760-1A priority Critical patent/BR122017020760B1/pt
Publication of BR112016003291A8 publication Critical patent/BR112016003291A8/pt
Publication of BR112016003291B1 publication Critical patent/BR112016003291B1/pt

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    • 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
    • G10L19/04—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
    • 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
    • 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
    • G10L19/135—Vector sum excited linear prediction [VSELP]
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0085—Formatting with cells
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

dispositivo de processamento de sinal de áudio, método de processamento de sinal de áudio e programa de processamento de sinal de áudio a presente invenção refere-se a um dispositivo de processamento de sinal de áudio que compreende um detector de descontinuidade configurado para determinar uma ocorrência de uma descontinuidade de um aumento repentino de uma amplitude de áudio decodificado obtida ao decodificar o primeiro pacote de áudio que é recebido de maneira correta depois de uma ocorrência de uma perda de pacote, e um corretor de descontinuidade para corrigir a descontinuidade do áudio decodificado.
BR112016003291-8A 2013-10-29 2014-10-10 Dispositivos e métodos de processamento de sinal de áudio BR112016003291B1 (pt)

Priority Applications (1)

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BR122017020760-1A BR122017020760B1 (pt) 2013-10-29 2014-10-10 Dispositivo de processamento de sinal de áudio e método de processamento de sinal de áudio

Applications Claiming Priority (3)

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JP2013224120A JP5981408B2 (ja) 2013-10-29 2013-10-29 音声信号処理装置、音声信号処理方法、及び音声信号処理プログラム
JP2013-224120 2013-10-29
PCT/JP2014/077215 WO2015064346A1 (ja) 2013-10-29 2014-10-10 音声信号処理装置、音声信号処理方法、及び音声信号処理プログラム

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BR112016003291A8 true BR112016003291A8 (pt) 2020-02-04
BR112016003291B1 BR112016003291B1 (pt) 2022-02-15

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US (5) US9799344B2 (pt)
EP (4) EP3528247B1 (pt)
JP (1) JP5981408B2 (pt)
KR (5) KR101798635B1 (pt)
CN (6) CN110164456B (pt)
AU (5) AU2014341476B2 (pt)
BR (2) BR112016003291B1 (pt)
CA (4) CA3168576A1 (pt)
DK (2) DK3528247T3 (pt)
ES (2) ES2732440T3 (pt)
FI (1) FI3528247T3 (pt)
HK (1) HK1223188A1 (pt)
HU (1) HUE063871T2 (pt)
MX (1) MX347234B (pt)
MY (3) MY179197A (pt)
PL (2) PL3065134T3 (pt)
PT (2) PT3065134T (pt)
RU (5) RU2680748C1 (pt)
SG (1) SG11201600542VA (pt)
TR (1) TR201909126T4 (pt)
WO (1) WO2015064346A1 (pt)

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HUE063871T2 (hu) 2024-02-28
AU2014341476A1 (en) 2016-02-18
KR20190121884A (ko) 2019-10-28
US11749291B2 (en) 2023-09-05
EP3065134A1 (en) 2016-09-07
AU2020294314B2 (en) 2021-10-21
JP5981408B2 (ja) 2016-08-31
PT3528247T (pt) 2023-09-29
KR20190040084A (ko) 2019-04-16
AU2018274861A1 (en) 2018-12-20
AU2017204606B2 (en) 2018-09-06
CN110164456A (zh) 2019-08-23
EP3528247B1 (en) 2023-09-06
KR102036704B1 (ko) 2019-10-25
MX2016005162A (es) 2016-07-05
EP3528246A1 (en) 2019-08-21
CN110176239A (zh) 2019-08-27
MX347234B (es) 2017-04-19
EP3528248A1 (en) 2019-08-21
CA3168576A1 (en) 2015-05-07
CN110164458A (zh) 2019-08-23
US20180068669A1 (en) 2018-03-08
PL3528247T3 (pl) 2024-02-19
CA3002931C (en) 2020-07-14
RU2018112250A3 (pt) 2019-03-01
RU2016120629A (ru) 2017-12-05
CA3081225C (en) 2022-10-04
KR101764234B1 (ko) 2017-08-03
US10621999B2 (en) 2020-04-14
KR101798635B1 (ko) 2017-11-16
PT3065134T (pt) 2019-07-04
MY191134A (en) 2022-05-31
ES2732440T3 (es) 2019-11-22
AU2014341476B2 (en) 2017-05-25
CN110164456B (zh) 2023-11-14
AU2021290404A1 (en) 2022-02-03
RU2682927C2 (ru) 2019-03-22
ES2959667T3 (es) 2024-02-27
CN110164457B (zh) 2023-01-03
EP3528247A1 (en) 2019-08-21
CA2918715A1 (en) 2015-05-07
KR20170127076A (ko) 2017-11-20
KR101978997B1 (ko) 2019-05-15
RU2701075C1 (ru) 2019-09-24
CA2918715C (en) 2018-06-12
HK1223188A1 (zh) 2017-07-21
WO2015064346A1 (ja) 2015-05-07
SG11201600542VA (en) 2016-02-26
US20160240202A1 (en) 2016-08-18
RU2680748C1 (ru) 2019-02-26
CN110265045B (zh) 2023-11-14
US9799344B2 (en) 2017-10-24
CA3081225A1 (en) 2015-05-07
PL3065134T3 (pl) 2019-09-30
RU2651234C2 (ru) 2018-04-18
FI3528247T3 (fi) 2023-10-02
MY191135A (en) 2022-05-31
CA3002931A1 (en) 2015-05-07
RU2707727C1 (ru) 2019-11-28
KR20170087544A (ko) 2017-07-28
TR201909126T4 (tr) 2019-07-22
RU2018112250A (ru) 2019-03-01
CN110164457A (zh) 2019-08-23
CN105393303B (zh) 2019-07-16
JP2015087456A (ja) 2015-05-07
DK3065134T3 (da) 2019-06-24
KR20160025000A (ko) 2016-03-07
US11270715B2 (en) 2022-03-08
CN110176239B (zh) 2023-01-03
CN105393303A (zh) 2016-03-09
BR112016003291B1 (pt) 2022-02-15
EP3065134A4 (en) 2016-09-07
AU2020294314A1 (en) 2021-02-11
AU2017204606A1 (en) 2017-07-27
DK3528247T3 (da) 2023-10-02
EP3065134B1 (en) 2019-05-29
BR122017020760B1 (pt) 2022-02-15
US20200234723A1 (en) 2020-07-23
MY179197A (en) 2020-10-30
CN110265045A (zh) 2019-09-20
US10152982B2 (en) 2018-12-11
US20190051313A1 (en) 2019-02-14
AU2021290404B2 (en) 2023-07-20
AU2018274861B2 (en) 2020-11-26
KR102155618B1 (ko) 2020-09-14
US20220139411A1 (en) 2022-05-05

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