BR112015031824A2 - aparelho e método para uma ocultação melhorada do livro do código adaptativo na ocultação tipo acelp utilizando uma estimativa melhorada de atraso de pitch - Google Patents

aparelho e método para uma ocultação melhorada do livro do código adaptativo na ocultação tipo acelp utilizando uma estimativa melhorada de atraso de pitch

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Publication number
BR112015031824A2
BR112015031824A2 BR112015031824A BR112015031824A BR112015031824A2 BR 112015031824 A2 BR112015031824 A2 BR 112015031824A2 BR 112015031824 A BR112015031824 A BR 112015031824A BR 112015031824 A BR112015031824 A BR 112015031824A BR 112015031824 A2 BR112015031824 A2 BR 112015031824A2
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BR
Brazil
Prior art keywords
pitch delay
hiding
improved
acelp
original
Prior art date
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BR112015031824A
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English (en)
Other versions
BR112015031824B1 (pt
Inventor
Neugebauer Bernhard
Markovic Goran
Lecomte Jérémie
Dietz Martin
Schnabel Michael
Original Assignee
Fraunhofer Ges Forschung
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.)
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Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of BR112015031824A2 publication Critical patent/BR112015031824A2/pt
Publication of BR112015031824B1 publication Critical patent/BR112015031824B1/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
    • G10L19/005—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
    • 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals
    • 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
    • G10L2019/0003—Backward prediction of gain
    • 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)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (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 uma estimativa melhorada de atraso de pitch”. é fornecido um aparelho para determinar um atraso de pitch estimado. o aparelho inclui uma interface de entrada (110) para receber uma variedade de valores de atraso de pitch originais e um estimador do atraso de pitch (120) para estimar o atraso de pitch estimado. o estimador do atraso de pitch (120) está configurado para estimar o atraso de pitch estimado de pitch dependendo de uma variedade de valores de atraso de pitch originais e dependendo de uma variedade de valores de informação, sendo que para cada valor de atraso de pitch original da variedade dos valores de atraso de pitch originais, é atribuído um valor de informação da variedade de valores de informação ao referido valor de atraso de pitch original. fig. 1
BR112015031824-0A 2013-06-21 2014-06-16 Aparelho e método para uma ocultação melhorada do livro do código adaptativo na ocultação tipo acelp utilizando uma estimativa melhorada de atraso de pitch BR112015031824B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13173157 2013-06-21
EP13173157.2 2013-06-21
EP14166990.3 2014-05-05
EP14166990 2014-05-05
PCT/EP2014/062589 WO2014202539A1 (en) 2013-06-21 2014-06-16 Apparatus and method for improved concealment of the adaptive codebook in acelp-like concealment employing improved pitch lag estimation

Publications (2)

Publication Number Publication Date
BR112015031824A2 true BR112015031824A2 (pt) 2017-07-25
BR112015031824B1 BR112015031824B1 (pt) 2021-12-14

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
BR112015031824-0A BR112015031824B1 (pt) 2013-06-21 2014-06-16 Aparelho e método para uma ocultação melhorada do livro do código adaptativo na ocultação tipo acelp utilizando uma estimativa melhorada de atraso de pitch
BR112015031181A BR112015031181A2 (pt) 2013-06-21 2014-06-16 aparelho e método que realizam conceitos aperfeiçoados para tcx ltp

Family Applications After (1)

Application Number Title Priority Date Filing Date
BR112015031181A BR112015031181A2 (pt) 2013-06-21 2014-06-16 aparelho e método que realizam conceitos aperfeiçoados para tcx ltp

Country Status (18)

Country Link
US (3) US10381011B2 (pt)
EP (3) EP3540731A3 (pt)
JP (4) JP6482540B2 (pt)
KR (2) KR102120073B1 (pt)
CN (2) CN111862998A (pt)
AU (2) AU2014283393A1 (pt)
BR (2) BR112015031824B1 (pt)
CA (1) CA2915805C (pt)
ES (1) ES2746322T3 (pt)
HK (1) HK1224427A1 (pt)
MX (1) MX371425B (pt)
MY (1) MY177559A (pt)
PL (1) PL3011554T3 (pt)
PT (1) PT3011554T (pt)
RU (1) RU2665253C2 (pt)
SG (1) SG11201510463WA (pt)
TW (2) TWI711033B (pt)
WO (1) WO2014202539A1 (pt)

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CN105408954A (zh) 2016-03-16
EP3011554B1 (en) 2019-07-03
TWI711033B (zh) 2020-11-21
US20220343924A1 (en) 2022-10-27
AU2014283393A1 (en) 2016-02-04
JP2021103325A (ja) 2021-07-15
TW201517020A (zh) 2015-05-01
JP6482540B2 (ja) 2019-03-13
PL3011554T3 (pl) 2019-12-31
AU2018200208B2 (en) 2020-01-02
AU2018200208A1 (en) 2018-02-01
RU2016101599A (ru) 2017-07-26
WO2014202539A1 (en) 2014-12-24
US11410663B2 (en) 2022-08-09
PT3011554T (pt) 2019-10-24
BR112015031181A2 (pt) 2017-07-25
US20160118053A1 (en) 2016-04-28
JP2019066867A (ja) 2019-04-25
JP7202161B2 (ja) 2023-01-11
HK1224427A1 (zh) 2017-08-18
BR112015031824B1 (pt) 2021-12-14
JP2023072050A (ja) 2023-05-23
RU2665253C2 (ru) 2018-08-28
MX371425B (es) 2020-01-29
EP4375993A2 (en) 2024-05-29
EP3540731A2 (en) 2019-09-18
TW201812743A (zh) 2018-04-01
US10381011B2 (en) 2019-08-13
US20190304473A1 (en) 2019-10-03
MY177559A (en) 2020-09-18
TWI613642B (zh) 2018-02-01
JP2016525220A (ja) 2016-08-22
EP3011554A1 (en) 2016-04-27
KR20160022382A (ko) 2016-02-29
KR20180042468A (ko) 2018-04-25
CN111862998A (zh) 2020-10-30
SG11201510463WA (en) 2016-01-28
EP3540731A3 (en) 2019-10-30
KR102120073B1 (ko) 2020-06-08
MX2015017833A (es) 2016-04-15
CA2915805C (en) 2021-10-19
ES2746322T3 (es) 2020-03-05
CA2915805A1 (en) 2014-12-24
CN105408954B (zh) 2020-07-17

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