BR112015031603A2 - aparelho e método para uma ocultação melhorada do livro do código adaptativo na ocultação tipo acelp utilizando a ressincronização melhorada do impulso - Google Patents

aparelho e método para uma ocultação melhorada do livro do código adaptativo na ocultação tipo acelp utilizando a ressincronização melhorada do impulso

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Publication number
BR112015031603A2
BR112015031603A2 BR112015031603A BR112015031603A BR112015031603A2 BR 112015031603 A2 BR112015031603 A2 BR 112015031603A2 BR 112015031603 A BR112015031603 A BR 112015031603A BR 112015031603 A BR112015031603 A BR 112015031603A BR 112015031603 A2 BR112015031603 A2 BR 112015031603A2
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BR
Brazil
Prior art keywords
reconstructed
cycle
pitch delay
hiding
available
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BR112015031603A
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English (en)
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BR112015031603B1 (pt
Inventor
Neugebauer Bernhard
Markovic Goran
Lecomte Jérémie
Dietz Martin
Schnabel Michael
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Fraunhofer Ges Forschung
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Publication of BR112015031603A2 publication Critical patent/BR112015031603A2/pt
Publication of BR112015031603B1 publication Critical patent/BR112015031603B1/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
    • G10L19/12—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
    • 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
    • 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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • G10L19/107—Sparse pulse excitation, e.g. by using algebraic codebook
    • 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
    • G10L2019/0002—Codebook adaptations
    • 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
    • G10L2019/0007—Codebook element generation
    • G10L2019/0008—Algebraic codebooks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

resumo de patente de invenção para: aparelho e método para uma ocultação melhorada do livro do código adaptativo na ocultação tipo acelp utilizando a ressincronização melhorada do impulso”. é fornecido um aparelho para reconstrução de uma estrutura que inclui um sinal de voz como uma estrutura reconstruída, em que a estrutura reconstruída é associada a uma ou mais estruturas disponíveis, sendo as referidas uma ou mais estruturas disponíveis pelo menos uma de uma ou mais das estruturas anteriores da estrutura reconstruída e uma ou mais das estruturas da estrutura reconstruída, sendo que uma ou mais estruturas disponíveis incluem um ou mais ciclos de atraso de pitch como um ou mais ciclos de atraso de pitch disponíveis. o aparelho inclui uma unidade de determinação (210) para determinar uma diferença do número de amostra indicando uma diferença entre um número de amostras de um primeiro ciclo de atraso de pitch a ser reconstruído. adicionalmente, o aparelho inclui um reconstrutor da estrutura (220) para reconstrução da estrutura reconstruída por reconstrução, dependendo da diferença do número da amostra e dependendo das amostras do referido um ou mais ciclos de atraso de pitch disponíveis, sendo o primeiro ciclo de atraso de pitch reconstruído como um primeiro ciclo de atraso de pitch reconstruído. o reconstrutor da estrutura (220) está configurado para reconstruir a estrutura reconstruída, de modo a que a estrutura reconstruída inclui total ou parcialmente o primeiro ciclo de atraso de pitch reconstruído, de modo a que a estrutura reconstruída inclua total ou parcialmente um segundo ciclo de atraso de pitch reconstruído e de modo a que o número de amostras do primeiro ciclo de atraso de pitch reconstruído seja diferente do número de amostras do segundo ciclo de atraso de pitch reconstruído. fig. 2a
BR112015031603-4A 2013-06-21 2014-06-16 Aparelho e método para reconstrução de uma estrutura BR112015031603B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13173157 2013-06-21
EP13173157.2 2013-06-21
EP14166995 2014-05-05
EP14166995.2 2014-05-05
PCT/EP2014/062578 WO2014202535A1 (en) 2013-06-21 2014-06-16 Apparatus and method for improved concealment of the adaptive codebook in acelp-like concealment employing improved pulse resynchronization

Publications (2)

Publication Number Publication Date
BR112015031603A2 true BR112015031603A2 (pt) 2017-07-25
BR112015031603B1 BR112015031603B1 (pt) 2021-12-14

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BR112015031603-4A BR112015031603B1 (pt) 2013-06-21 2014-06-16 Aparelho e método para reconstrução de uma estrutura

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US (2) US10013988B2 (pt)
EP (1) EP3011555B1 (pt)
JP (1) JP6153661B2 (pt)
KR (1) KR101828186B1 (pt)
CN (2) CN110931025B (pt)
AU (1) AU2014283389B2 (pt)
BR (1) BR112015031603B1 (pt)
CA (1) CA2915791C (pt)
ES (1) ES2671006T3 (pt)
HK (1) HK1224426A1 (pt)
MX (1) MX352092B (pt)
MY (1) MY181845A (pt)
PL (1) PL3011555T3 (pt)
PT (1) PT3011555T (pt)
RU (1) RU2666327C2 (pt)
SG (1) SG11201510506RA (pt)
TR (1) TR201808890T4 (pt)
TW (1) TWI604438B (pt)
WO (1) WO2014202535A1 (pt)

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CN111862998A (zh) 2013-06-21 2020-10-30 弗朗霍夫应用科学研究促进协会 利用改进的音调滞后估计的似acelp隐藏中的自适应码本的改进隐藏的装置及方法

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JP6153661B2 (ja) 2017-06-28
TR201808890T4 (tr) 2018-07-23
MY181845A (en) 2021-01-08
AU2014283389A1 (en) 2016-02-04
RU2016101601A (ru) 2017-07-26
MX2015017125A (es) 2016-07-08
TWI604438B (zh) 2017-11-01
CN110931025B (zh) 2024-06-28
CN110931025A (zh) 2020-03-27
US20180293991A1 (en) 2018-10-11
CN105453173A (zh) 2016-03-30
KR20160024952A (ko) 2016-03-07
CN105453173B (zh) 2019-08-06
HK1224426A1 (zh) 2017-08-18
WO2014202535A1 (en) 2014-12-24
EP3011555A1 (en) 2016-04-27
US10013988B2 (en) 2018-07-03
TW201506909A (zh) 2015-02-16
SG11201510506RA (en) 2016-01-28
CA2915791A1 (en) 2014-12-24
RU2666327C2 (ru) 2018-09-06
JP2016523380A (ja) 2016-08-08
AU2014283389B2 (en) 2017-10-05
CA2915791C (en) 2018-11-06
PT3011555T (pt) 2018-07-04
PL3011555T3 (pl) 2018-09-28
US20160111094A1 (en) 2016-04-21
BR112015031603B1 (pt) 2021-12-14
MX352092B (es) 2017-11-08
KR101828186B1 (ko) 2018-02-09
US10643624B2 (en) 2020-05-05
EP3011555B1 (en) 2018-03-28
ES2671006T3 (es) 2018-06-04

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