SG11201510463WA - Apparatus and method for improved concealment of the adaptive codebook in acelp-like concealment employing improved pitch lag estimation - Google Patents

Apparatus and method for improved concealment of the adaptive codebook in acelp-like concealment employing improved pitch lag estimation

Info

Publication number
SG11201510463WA
SG11201510463WA SG11201510463WA SG11201510463WA SG11201510463WA SG 11201510463W A SG11201510463W A SG 11201510463WA SG 11201510463W A SG11201510463W A SG 11201510463WA SG 11201510463W A SG11201510463W A SG 11201510463WA SG 11201510463W A SG11201510463W A SG 11201510463WA
Authority
SG
Singapore
Prior art keywords
concealment
improved
acelp
adaptive codebook
pitch lag
Prior art date
Application number
SG11201510463WA
Other languages
English (en)
Inventor
Jérémie Lecomte
Michael Schnabel
Goran Markovic
Martin Dietz
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 SG11201510463WA publication Critical patent/SG11201510463WA/en

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
    • G10L19/10—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
    • 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
    • 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)
SG11201510463WA 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 SG11201510463WA (en)

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 (1)

Publication Number Publication Date
SG11201510463WA true SG11201510463WA (en) 2016-01-28

Family

ID=50942300

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201510463WA SG11201510463WA (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

Country Status (18)

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

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PL3336840T3 (pl) 2013-10-31 2020-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikującego sygnał pobudzenia w dziedzinie czasu
PT3285255T (pt) 2013-10-31 2019-08-02 Fraunhofer Ges Forschung Descodificador de áudio e método para fornecer uma informação de áudio descodificada utilizando uma ocultação de erro baseada num sinal de excitação no domínio de tempo
ES2870959T3 (es) 2016-03-07 2021-10-28 Fraunhofer Ges Forschung Unidad de ocultación de error, decodificador de audio y método relacionado y programa informático que usa características de una representación decodificada de una trama de audio decodificada apropiadamente
WO2017153299A2 (en) 2016-03-07 2017-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Error concealment unit, audio decoder, and related method and computer program fading out a concealed audio frame out according to different damping factors for different frequency bands
BR112018067944B1 (pt) 2016-03-07 2024-03-05 Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V Unidade de ocultação de erro, método de ocultação de erro,decodificador de áudio, codificador de áudio, método para fornecer uma representação de áudio codificada e sistema

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Also Published As

Publication number Publication date
WO2014202539A1 (en) 2014-12-24
EP3011554A1 (en) 2016-04-27
EP3540731A2 (en) 2019-09-18
JP6482540B2 (ja) 2019-03-13
JP7202161B2 (ja) 2023-01-11
US20190304473A1 (en) 2019-10-03
EP3540731A3 (en) 2019-10-30
BR112015031824A2 (pt) 2017-07-25
CA2915805C (en) 2021-10-19
US11410663B2 (en) 2022-08-09
TW201517020A (zh) 2015-05-01
AU2018200208A1 (en) 2018-02-01
EP3011554B1 (en) 2019-07-03
US20220343924A1 (en) 2022-10-27
ES2746322T3 (es) 2020-03-05
KR20160022382A (ko) 2016-02-29
JP2019066867A (ja) 2019-04-25
MY177559A (en) 2020-09-18
JP2021103325A (ja) 2021-07-15
KR20180042468A (ko) 2018-04-25
EP4375993A2 (en) 2024-05-29
EP3540731B1 (en) 2024-07-03
RU2665253C2 (ru) 2018-08-28
TWI711033B (zh) 2020-11-21
AU2018200208B2 (en) 2020-01-02
AU2014283393A1 (en) 2016-02-04
RU2016101599A (ru) 2017-07-26
CN105408954B (zh) 2020-07-17
CN111862998A (zh) 2020-10-30
CN105408954A (zh) 2016-03-16
US20160118053A1 (en) 2016-04-28
PT3011554T (pt) 2019-10-24
BR112015031181A2 (pt) 2017-07-25
KR102120073B1 (ko) 2020-06-08
BR112015031824B1 (pt) 2021-12-14
CA2915805A1 (en) 2014-12-24
JP2016525220A (ja) 2016-08-22
MX371425B (es) 2020-01-29
JP2023072050A (ja) 2023-05-23
HK1224427A1 (zh) 2017-08-18
TWI613642B (zh) 2018-02-01
US10381011B2 (en) 2019-08-13
TW201812743A (zh) 2018-04-01
PL3011554T3 (pl) 2019-12-31
MX2015017833A (es) 2016-04-15

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