DK3319087T3 - Fyldning af ikke-kodede subvektorer i transformationskodede audiosignaler - Google Patents

Fyldning af ikke-kodede subvektorer i transformationskodede audiosignaler Download PDF

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Publication number
DK3319087T3
DK3319087T3 DK17208522T DK17208522T DK3319087T3 DK 3319087 T3 DK3319087 T3 DK 3319087T3 DK 17208522 T DK17208522 T DK 17208522T DK 17208522 T DK17208522 T DK 17208522T DK 3319087 T3 DK3319087 T3 DK 3319087T3
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DK
Denmark
Prior art keywords
coded
subvectors
audio signals
transformation
loading non
Prior art date
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DK17208522T
Other languages
English (en)
Inventor
Volodya Grancharov
Sebastian Näslund
Sigurdur Sverrisson
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Ericsson Telefon Ab L M
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Publication of DK3319087T3 publication Critical patent/DK3319087T3/da

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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0212Speech 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 orthogonal transformation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/028Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/032Quantisation or dequantisation of spectral components
    • G10L19/038Vector quantisation, e.g. TwinVQ audio
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L2019/0007Codebook element generation
DK17208522T 2011-03-10 2011-09-14 Fyldning af ikke-kodede subvektorer i transformationskodede audiosignaler DK3319087T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161451363P 2011-03-10 2011-03-10
EP15183624.4A EP2975611B1 (en) 2011-03-10 2011-09-14 Filling of non-coded sub-vectors in transform coded audio signals

Publications (1)

Publication Number Publication Date
DK3319087T3 true DK3319087T3 (da) 2019-11-04

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Family Applications (3)

Application Number Title Priority Date Filing Date
DK15183624.4T DK2975611T3 (da) 2011-03-10 2011-09-14 Fyldning af ikke-kodede subvektorer i transformationskodede audiosignaler
DK11860593.0T DK2684190T3 (da) 2011-03-10 2011-09-14 Fyldning af ikke-kodede undervektorer i transformationskodede lydsignaler
DK17208522T DK3319087T3 (da) 2011-03-10 2011-09-14 Fyldning af ikke-kodede subvektorer i transformationskodede audiosignaler

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DK15183624.4T DK2975611T3 (da) 2011-03-10 2011-09-14 Fyldning af ikke-kodede subvektorer i transformationskodede audiosignaler
DK11860593.0T DK2684190T3 (da) 2011-03-10 2011-09-14 Fyldning af ikke-kodede undervektorer i transformationskodede lydsignaler

Country Status (11)

Country Link
US (6) US9424856B2 (da)
EP (3) EP2684190B1 (da)
CN (1) CN103503063B (da)
AU (1) AU2011361945B2 (da)
DK (3) DK2975611T3 (da)
ES (3) ES2664090T3 (da)
HU (2) HUE037111T2 (da)
NO (1) NO2753696T3 (da)
PL (1) PL2684190T3 (da)
PT (2) PT2684190E (da)
WO (1) WO2012121638A1 (da)

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KR20130032980A (ko) * 2011-09-26 2013-04-03 한국전자통신연구원 잔여 비트를 이용하는 코딩 장치 및 그 방법
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RU2757860C1 (ru) * 2021-04-09 2021-10-21 Общество с ограниченной ответственностью "Специальный Технологический Центр" Способ автоматической оценки качества речевых сигналов с низкоскоростным кодированием

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Also Published As

Publication number Publication date
EP2975611B1 (en) 2018-01-10
US9966082B2 (en) 2018-05-08
HUE026874T2 (en) 2016-07-28
EP2684190B1 (en) 2015-11-18
CN103503063B (zh) 2015-12-09
DK2975611T3 (da) 2018-04-03
EP3319087A1 (en) 2018-05-09
DK2684190T3 (da) 2016-02-22
EP2684190A4 (en) 2014-08-13
EP3319087B1 (en) 2019-08-21
US20230410822A1 (en) 2023-12-21
US20210287685A1 (en) 2021-09-16
PT3319087T (pt) 2019-10-09
AU2011361945B2 (en) 2016-06-23
WO2012121638A1 (en) 2012-09-13
US20180226081A1 (en) 2018-08-09
US9424856B2 (en) 2016-08-23
US20160322058A1 (en) 2016-11-03
PT2684190E (pt) 2016-02-23
PL2684190T3 (pl) 2016-04-29
NO2753696T3 (da) 2018-04-21
HUE037111T2 (hu) 2018-08-28
EP2975611A1 (en) 2016-01-20
US20130346087A1 (en) 2013-12-26
ES2758370T3 (es) 2020-05-05
CN103503063A (zh) 2014-01-08
US20230106557A1 (en) 2023-04-06
ES2559040T3 (es) 2016-02-10
AU2011361945A1 (en) 2013-09-26
EP2684190A1 (en) 2014-01-15
US11756560B2 (en) 2023-09-12
ES2664090T3 (es) 2018-04-18
US11551702B2 (en) 2023-01-10

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