DK3486905T3 - Kodningsfremgangsmåde, dekodningsfremgangsmåde, kodningsanordning og dekodningsanordning - Google Patents

Kodningsfremgangsmåde, dekodningsfremgangsmåde, kodningsanordning og dekodningsanordning Download PDF

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Publication number
DK3486905T3
DK3486905T3 DK18182328.7T DK18182328T DK3486905T3 DK 3486905 T3 DK3486905 T3 DK 3486905T3 DK 18182328 T DK18182328 T DK 18182328T DK 3486905 T3 DK3486905 T3 DK 3486905T3
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Prior art keywords
decoding
coding
procedure
coding method
decoding procedure
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DK18182328.7T
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English (en)
Inventor
Bin Wang
Zexin Liu
Lei Miao
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Huawei Tech Co Ltd
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/03Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12Determination 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • G10L19/265Pre-filtering, e.g. high frequency emphasis prior to encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L2019/0001Codebooks
    • G10L2019/0016Codebook for LPC parameters

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)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DK18182328.7T 2013-01-15 2013-07-25 Kodningsfremgangsmåde, dekodningsfremgangsmåde, kodningsanordning og dekodningsanordning DK3486905T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310014342.4A CN103928031B (zh) 2013-01-15 2013-01-15 编码方法、解码方法、编码装置和解码装置
EP16193849.3A EP3203470B1 (en) 2013-01-15 2013-07-25 Speech decoding method and speech decoding apparatus

Publications (1)

Publication Number Publication Date
DK3486905T3 true DK3486905T3 (da) 2020-11-23

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DK16193849.3T DK3203470T3 (da) 2013-01-15 2013-07-25 Fremgangsmåde til afkodning af tale og taleafkodningsapparat
DK13872123.8T DK2905777T3 (da) 2013-01-15 2013-07-25 Fremgangsmåde til kodning, fremgangsmåde til afkodning, kodningsanordning og afkodningsanordning
DK18182328.7T DK3486905T3 (da) 2013-01-15 2013-07-25 Kodningsfremgangsmåde, dekodningsfremgangsmåde, kodningsanordning og dekodningsanordning

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DK16193849.3T DK3203470T3 (da) 2013-01-15 2013-07-25 Fremgangsmåde til afkodning af tale og taleafkodningsapparat
DK13872123.8T DK2905777T3 (da) 2013-01-15 2013-07-25 Fremgangsmåde til kodning, fremgangsmåde til afkodning, kodningsanordning og afkodningsanordning

Country Status (17)

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US (6) US9761235B2 (da)
EP (4) EP3203470B1 (da)
JP (3) JP6141443B2 (da)
KR (2) KR101748303B1 (da)
CN (2) CN103928031B (da)
BR (1) BR112015013088B1 (da)
DK (3) DK3203470T3 (da)
ES (3) ES2637741T3 (da)
HK (1) HK1199541A1 (da)
HU (3) HUE036710T2 (da)
NO (1) NO2905777T3 (da)
PL (3) PL3203470T3 (da)
PT (3) PT3486905T (da)
SG (1) SG11201503772RA (da)
SI (3) SI3486905T1 (da)
TR (1) TR201907656T4 (da)
WO (1) WO2014110895A1 (da)

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Publication number Publication date
EP3203470B1 (en) 2019-03-13
HK1199541A1 (zh) 2015-07-03
HUE043649T2 (hu) 2019-08-28
CN103928031B (zh) 2016-03-30
KR101966265B1 (ko) 2019-04-05
CN103928031A (zh) 2014-07-16
EP3764355A1 (en) 2021-01-13
US20150255080A1 (en) 2015-09-10
DK2905777T3 (da) 2017-11-06
US9761235B2 (en) 2017-09-12
PT3203470T (pt) 2019-06-04
US20220366922A1 (en) 2022-11-17
JP2018200488A (ja) 2018-12-20
SI3486905T1 (sl) 2020-12-31
SI3203470T1 (sl) 2019-06-28
BR112015013088A2 (pt) 2017-07-11
ES2728000T3 (es) 2019-10-21
KR101748303B1 (ko) 2017-06-16
PL3486905T3 (pl) 2021-03-08
EP3486905A1 (en) 2019-05-22
US11430456B2 (en) 2022-08-30
DK3203470T3 (da) 2019-05-27
EP3486905B1 (en) 2020-09-09
HUE051171T2 (hu) 2021-03-01
US10210880B2 (en) 2019-02-19
TR201907656T4 (tr) 2019-06-21
US20240177722A1 (en) 2024-05-30
EP3203470A1 (en) 2017-08-09
BR112015013088B1 (pt) 2020-01-28
CN105551497A (zh) 2016-05-04
CN105551497B (zh) 2019-03-19
US10770085B2 (en) 2020-09-08
PL3203470T3 (pl) 2019-09-30
US20200381000A1 (en) 2020-12-03
JP6616470B2 (ja) 2019-12-04
KR20160090400A (ko) 2016-07-29
JP6141443B2 (ja) 2017-06-07
PL2905777T3 (pl) 2017-12-29
EP2905777B1 (en) 2017-07-19
ES2637741T3 (es) 2017-10-16
US20190139560A1 (en) 2019-05-09
US11869520B2 (en) 2024-01-09
EP2905777A1 (en) 2015-08-12
ES2828004T3 (es) 2021-05-25
PT3486905T (pt) 2020-10-19
JP6397082B2 (ja) 2018-09-26
NO2905777T3 (da) 2017-12-16
JP2017151466A (ja) 2017-08-31
SG11201503772RA (en) 2015-06-29
EP3764355B1 (en) 2024-05-01
KR20150082530A (ko) 2015-07-15
HUE036710T2 (hu) 2018-07-30
SI2905777T1 (sl) 2017-11-30
JP2015537254A (ja) 2015-12-24
US20170372713A1 (en) 2017-12-28
WO2014110895A1 (zh) 2014-07-24
PT2905777T (pt) 2017-08-30
EP2905777A4 (en) 2015-09-23

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