MX2015017833A - Aparato y metodo para la ocultacion mejorada del libro de codigo adaptativo en la ocultacion similar a acelp mediante la utilizacion de una estimacion mejorada del retardo de tono. - Google Patents

Aparato y metodo para la ocultacion mejorada del libro de codigo adaptativo en la ocultacion similar a acelp mediante la utilizacion de una estimacion mejorada del retardo de tono.

Info

Publication number
MX2015017833A
MX2015017833A MX2015017833A MX2015017833A MX2015017833A MX 2015017833 A MX2015017833 A MX 2015017833A MX 2015017833 A MX2015017833 A MX 2015017833A MX 2015017833 A MX2015017833 A MX 2015017833A MX 2015017833 A MX2015017833 A MX 2015017833A
Authority
MX
Mexico
Prior art keywords
pitch lag
concealment
improved
acelp
adaptive codebook
Prior art date
Application number
MX2015017833A
Other languages
English (en)
Other versions
MX371425B (es
Inventor
Jérémie Lecomte
Martin Dietz
Michael Schnabel
Goran Markovic
Bernhard Neugebauer
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 MX2015017833A publication Critical patent/MX2015017833A/es
Publication of MX371425B publication Critical patent/MX371425B/es

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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

Abstract

Se provee un aparato para determinar un retardo de tono estimado. El aparato comprende una interfaz de entrada (110) para recibir una pluralidad de valores de retardo de tono originales, y un estimador del retardo de tono (120) para estimar el retardo de tono estimado. El estimador del retardo de tono (120) está configurado para estimar el retardo de tono estimado en función de la pluralidad de valores de retardo de tono originales y en función de una pluralidad de valores de información, en donde para cada valor de retardo de tono original de la pluralidad de valores de retardo de tono originales, se asigna un valor de información de la pluralidad de valores de información a dicho valor de retardo de tono original.
MX2015017833A 2013-06-21 2014-06-16 Aparato y metodo para la ocultacion mejorada del libro de codigo adaptativo en la ocultacion similar a acelp mediante la utilizacion de una estimacion mejorada del retardo de tono. MX371425B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13173157 2013-06-21
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
MX2015017833A true MX2015017833A (es) 2016-04-15
MX371425B MX371425B (es) 2020-01-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
MX2015017833A MX371425B (es) 2013-06-21 2014-06-16 Aparato y metodo para la ocultacion mejorada del libro de codigo adaptativo en la ocultacion similar a acelp mediante la utilizacion de una estimacion mejorada del retardo de tono.

Country Status (18)

Country Link
US (3) US10381011B2 (es)
EP (2) EP3011554B1 (es)
JP (4) JP6482540B2 (es)
KR (2) KR102120073B1 (es)
CN (2) CN111862998A (es)
AU (2) AU2014283393A1 (es)
BR (1) BR112015031181A2 (es)
CA (1) CA2915805C (es)
ES (1) ES2746322T3 (es)
HK (1) HK1224427A1 (es)
MX (1) MX371425B (es)
MY (1) MY177559A (es)
PL (1) PL3011554T3 (es)
PT (1) PT3011554T (es)
RU (1) RU2665253C2 (es)
SG (1) SG11201510463WA (es)
TW (2) TWI711033B (es)
WO (1) WO2014202539A1 (es)

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Also Published As

Publication number Publication date
MY177559A (en) 2020-09-18
US20220343924A1 (en) 2022-10-27
US20160118053A1 (en) 2016-04-28
SG11201510463WA (en) 2016-01-28
US11410663B2 (en) 2022-08-09
ES2746322T3 (es) 2020-03-05
JP2023072050A (ja) 2023-05-23
US10381011B2 (en) 2019-08-13
US20190304473A1 (en) 2019-10-03
EP3540731A3 (en) 2019-10-30
TWI711033B (zh) 2020-11-21
CA2915805C (en) 2021-10-19
WO2014202539A1 (en) 2014-12-24
AU2018200208A1 (en) 2018-02-01
JP2016525220A (ja) 2016-08-22
JP2021103325A (ja) 2021-07-15
CN105408954B (zh) 2020-07-17
CN105408954A (zh) 2016-03-16
AU2018200208B2 (en) 2020-01-02
TWI613642B (zh) 2018-02-01
AU2014283393A1 (en) 2016-02-04
RU2665253C2 (ru) 2018-08-28
JP7202161B2 (ja) 2023-01-11
EP3540731A2 (en) 2019-09-18
JP2019066867A (ja) 2019-04-25
PL3011554T3 (pl) 2019-12-31
KR102120073B1 (ko) 2020-06-08
TW201812743A (zh) 2018-04-01
RU2016101599A (ru) 2017-07-26
HK1224427A1 (zh) 2017-08-18
PT3011554T (pt) 2019-10-24
KR20160022382A (ko) 2016-02-29
BR112015031824A2 (pt) 2017-07-25
MX371425B (es) 2020-01-29
EP3011554B1 (en) 2019-07-03
JP6482540B2 (ja) 2019-03-13
TW201517020A (zh) 2015-05-01
BR112015031181A2 (pt) 2017-07-25
KR20180042468A (ko) 2018-04-25
CA2915805A1 (en) 2014-12-24
CN111862998A (zh) 2020-10-30
EP3011554A1 (en) 2016-04-27

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