MX352092B - Aparato y método para mejorar el ocultamiento del libro de códigos adaptativo en la ocultación similar a acelp empleando una resincronización de pulsos mejorada. - Google Patents

Aparato y método para mejorar el ocultamiento del libro de códigos adaptativo en la ocultación similar a acelp empleando una resincronización de pulsos mejorada.

Info

Publication number
MX352092B
MX352092B MX2015017125A MX2015017125A MX352092B MX 352092 B MX352092 B MX 352092B MX 2015017125 A MX2015017125 A MX 2015017125A MX 2015017125 A MX2015017125 A MX 2015017125A MX 352092 B MX352092 B MX 352092B
Authority
MX
Mexico
Prior art keywords
reconstructed
frame
concealment
pitch
improved
Prior art date
Application number
MX2015017125A
Other languages
English (en)
Other versions
MX2015017125A (es
Inventor
Bernhard Neugebauer
Jérémie Lecomte
Martin Dietz
Michael Schnabel
Goran Markovic
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.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of MX2015017125A publication Critical patent/MX2015017125A/es
Publication of MX352092B publication Critical patent/MX352092B/es

Links

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
    • 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

Se provee un aparato para reconstruir una trama que comprende una señal de habla como una trama reconstruida; dicha trama reconstruida está asociada con una o más tramas disponibles, y dicha una o más tramas disponibles es por lo menos una de una o más tramas que preceden a la trama reconstruida y una o más tramas que siguen a la trama reconstruida, en donde la una o más tramas disponibles comprenden uno o más ciclos de tono en forma de uno o más ciclos de tono disponibles. El aparato comprende una unidad de determinación (210) para determinar una diferencia en el número de muestras que indica una diferencia entre un número de muestras de uno de los uno o más ciclos de tono disponibles y un número de muestras de un primer ciclo de tono que debe ser reconstruido. Además, el aparato comprende un reconstructor de tramas (220) para reconstruir la trama reconstruida mediante reconstrucción, en función de la diferencia en el número de muestras y en función de las muestras de dicho uno de los uno o más ciclos de tono disponibles, el primer ciclo de tono a ser reconstruido como un primer ciclo de tono reconstruido. El reconstructor de tramas (220) está configurado para reconstruir la trama reconstruida, de manera tal que la trama reconstruida comprenda por completo o parcialmente el primer ciclo de tono reconstruido, de manera tal que la trama reconstruida comprenda por completo o parcialmente un segundo ciclo de tono reconstruido, y de manera tal que el número de muestras del primer ciclo de tono reconstruido difiera de un número de muestras del segundo ciclo de tono reconstruido.
MX2015017125A 2013-06-21 2014-06-16 Aparato y método para mejorar el ocultamiento del libro de códigos adaptativo en la ocultación similar a acelp empleando una resincronización de pulsos mejorada. MX352092B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13173157 2013-06-21
EP14166995 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
MX2015017125A MX2015017125A (es) 2016-07-08
MX352092B true MX352092B (es) 2017-11-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
MX2015017125A MX352092B (es) 2013-06-21 2014-06-16 Aparato y método para mejorar el ocultamiento del libro de códigos adaptativo en la ocultación similar a acelp empleando una resincronización de pulsos mejorada.

Country Status (19)

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

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CN105453173A (zh) 2016-03-30
US10643624B2 (en) 2020-05-05
EP3011555A1 (en) 2016-04-27
BR112015031603A2 (pt) 2017-07-25
SG11201510506RA (en) 2016-01-28
PT3011555T (pt) 2018-07-04
CA2915791A1 (en) 2014-12-24
TR201808890T4 (tr) 2018-07-23
TWI604438B (zh) 2017-11-01
KR101828186B1 (ko) 2018-02-09
MY181845A (en) 2021-01-08
ES2671006T3 (es) 2018-06-04
RU2016101601A (ru) 2017-07-26
AU2014283389A1 (en) 2016-02-04
PL3011555T3 (pl) 2018-09-28
WO2014202535A1 (en) 2014-12-24
KR20160024952A (ko) 2016-03-07
HK1224426A1 (zh) 2017-08-18
MX2015017125A (es) 2016-07-08
CN110931025B (zh) 2024-06-28
BR112015031603B1 (pt) 2021-12-14
CA2915791C (en) 2018-11-06
US20180293991A1 (en) 2018-10-11
US10013988B2 (en) 2018-07-03
CN105453173B (zh) 2019-08-06
TW201506909A (zh) 2015-02-16
RU2666327C2 (ru) 2018-09-06
US20160111094A1 (en) 2016-04-21
JP6153661B2 (ja) 2017-06-28
AU2014283389B2 (en) 2017-10-05
JP2016523380A (ja) 2016-08-08
CN110931025A (zh) 2020-03-27
EP3011555B1 (en) 2018-03-28

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