BR112015031825B1 - Controle jitter buffer, descodificador de áudio e método para controlar um fornecimento de um conteúdo de áudio descodificado - Google Patents

Controle jitter buffer, descodificador de áudio e método para controlar um fornecimento de um conteúdo de áudio descodificado Download PDF

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Publication number
BR112015031825B1
BR112015031825B1 BR112015031825-8A BR112015031825A BR112015031825B1 BR 112015031825 B1 BR112015031825 B1 BR 112015031825B1 BR 112015031825 A BR112015031825 A BR 112015031825A BR 112015031825 B1 BR112015031825 B1 BR 112015031825B1
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jitter buffer
time
audio
frame
signal
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BR112015031825-8A
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English (en)
Portuguese (pt)
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BR112015031825A2 (pt
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Jérémie Lecomte
Manuel Jander
Stefan REUSCHL
Stefan Dohla
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Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.
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Publication of BR112015031825B1 publication Critical patent/BR112015031825B1/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
    • G10L19/02—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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • 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
    • G10L21/04—Time compression or expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • 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
    • G10L19/012—Comfort noise or silence coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
    • H04J3/0632—Synchronisation of packets and cells, e.g. transmission of voice via a packet network, circuit emulation service [CES]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0664—Clock or time synchronisation among packet nodes using timestamps unidirectional timestamps

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Communication Control (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
BR112015031825-8A 2013-06-21 2014-06-18 Controle jitter buffer, descodificador de áudio e método para controlar um fornecimento de um conteúdo de áudio descodificado BR112015031825B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13173159 2013-06-21
EP13173159.8 2013-06-21
EP14167061.2 2014-05-05
EP14167061 2014-05-05
PCT/EP2014/062789 WO2014202647A1 (en) 2013-06-21 2014-06-18 Jitter buffer control, audio decoder, method and computer program

Publications (2)

Publication Number Publication Date
BR112015031825A2 BR112015031825A2 (pt) 2020-06-16
BR112015031825B1 true BR112015031825B1 (pt) 2021-12-28

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US (3) US9997167B2 (https=)
EP (1) EP3011692B1 (https=)
JP (1) JP6251464B2 (https=)
KR (1) KR101953613B1 (https=)
CN (1) CN105518778B (https=)
AU (1) AU2014283320B2 (https=)
BR (1) BR112015031825B1 (https=)
CA (3) CA2964368C (https=)
ES (1) ES2642352T3 (https=)
MX (1) MX352748B (https=)
MY (1) MY170699A (https=)
PL (1) PL3011692T3 (https=)
PT (1) PT3011692T (https=)
RU (1) RU2663361C2 (https=)
SG (1) SG11201510459YA (https=)
TW (1) TWI582759B (https=)
WO (1) WO2014202647A1 (https=)

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HK1224447A1 (en) 2017-08-18
US20200321014A1 (en) 2020-10-08
CN105518778B (zh) 2019-09-13
KR101953613B1 (ko) 2019-03-04
MX352748B (es) 2017-12-06
JP6251464B2 (ja) 2017-12-20
AU2014283320A1 (en) 2016-02-11
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