PT3121813T - Preenchimento de ruído sem informação lateral para codificadores do tipo celp - Google Patents

Preenchimento de ruído sem informação lateral para codificadores do tipo celp

Info

Publication number
PT3121813T
PT3121813T PT161765052T PT16176505T PT3121813T PT 3121813 T PT3121813 T PT 3121813T PT 161765052 T PT161765052 T PT 161765052T PT 16176505 T PT16176505 T PT 16176505T PT 3121813 T PT3121813 T PT 3121813T
Authority
PT
Portugal
Prior art keywords
celp
coders
side information
noise filling
noise
Prior art date
Application number
PT161765052T
Other languages
English (en)
Portuguese (pt)
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 PT3121813T publication Critical patent/PT3121813T/pt

Links

Classifications

    • 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
    • G10L19/028Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/002Dynamic bit allocation
    • 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
    • G10L19/087Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
    • 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

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
PT161765052T 2013-01-29 2014-01-28 Preenchimento de ruído sem informação lateral para codificadores do tipo celp PT3121813T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201361758189P 2013-01-29 2013-01-29

Publications (1)

Publication Number Publication Date
PT3121813T true PT3121813T (pt) 2020-06-17

Family

ID=50023580

Family Applications (2)

Application Number Title Priority Date Filing Date
PT14701567T PT2951816T (pt) 2013-01-29 2014-01-28 Preenchimento de ruído sem informação lateral para codificadores do tipo celp
PT161765052T PT3121813T (pt) 2013-01-29 2014-01-28 Preenchimento de ruído sem informação lateral para codificadores do tipo celp

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PT14701567T PT2951816T (pt) 2013-01-29 2014-01-28 Preenchimento de ruído sem informação lateral para codificadores do tipo celp

Country Status (20)

Country Link
US (3) US10269365B2 (enExample)
EP (4) EP4503023A3 (enExample)
JP (1) JP6181773B2 (enExample)
KR (1) KR101794149B1 (enExample)
CN (3) CN117392990A (enExample)
AR (1) AR094677A1 (enExample)
AU (1) AU2014211486B2 (enExample)
BR (1) BR112015018020B1 (enExample)
CA (2) CA2899542C (enExample)
ES (3) ES2732560T3 (enExample)
MX (1) MX347080B (enExample)
MY (1) MY180912A (enExample)
PL (3) PL3121813T3 (enExample)
PT (2) PT2951816T (enExample)
RU (1) RU2648953C2 (enExample)
SG (2) SG10201806073WA (enExample)
TR (1) TR201908919T4 (enExample)
TW (1) TWI536368B (enExample)
WO (1) WO2014118192A2 (enExample)
ZA (1) ZA201506320B (enExample)

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ES2732560T3 (es) * 2013-01-29 2019-11-25 Fraunhofer Ges Forschung Llenado de ruido sin información secundaria para codificadores tipo celp
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KR102792880B1 (ko) * 2020-09-02 2025-04-07 구글 엘엘씨 데이터 밀도 그래디언트 추정을 통한 조건부 출력 생성

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EP2311034B1 (en) * 2008-07-11 2015-11-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder for encoding frames of sampled audio signals
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MX2013009346A (es) 2011-02-14 2013-10-01 Fraunhofer Ges Forschung Prediccion lineal basada en esquema de codificacion utilizando conformacion de ruido de dominio espectral.
US9037456B2 (en) * 2011-07-26 2015-05-19 Google Technology Holdings LLC Method and apparatus for audio coding and decoding
ES2732560T3 (es) * 2013-01-29 2019-11-25 Fraunhofer Ges Forschung Llenado de ruido sin información secundaria para codificadores tipo celp

Also Published As

Publication number Publication date
ES2732560T3 (es) 2019-11-25
CA2899542C (en) 2020-08-04
US10984810B2 (en) 2021-04-20
JP2016504635A (ja) 2016-02-12
MY180912A (en) 2020-12-11
US20210074307A1 (en) 2021-03-11
KR20150114966A (ko) 2015-10-13
SG10201806073WA (en) 2018-08-30
EP3121813A1 (en) 2017-01-25
CN105264596A (zh) 2016-01-20
AU2014211486A1 (en) 2015-08-20
PL2951816T3 (pl) 2019-09-30
EP3121813B1 (en) 2020-03-18
PT2951816T (pt) 2019-07-01
RU2015136787A (ru) 2017-03-07
US10269365B2 (en) 2019-04-23
US20190198031A1 (en) 2019-06-27
JP6181773B2 (ja) 2017-08-16
EP3683793B1 (en) 2024-12-18
WO2014118192A2 (en) 2014-08-07
WO2014118192A3 (en) 2014-10-09
CN105264596B (zh) 2019-11-01
CA2960854C (en) 2019-06-25
ES3009687T3 (en) 2025-03-31
EP4503023A3 (en) 2025-03-19
US12100409B2 (en) 2024-09-24
ZA201506320B (en) 2016-10-26
EP2951816B1 (en) 2019-03-27
US20150332696A1 (en) 2015-11-19
MX2015009750A (es) 2015-11-06
RU2648953C2 (ru) 2018-03-28
CN110827841B (zh) 2023-11-28
AR094677A1 (es) 2015-08-19
EP2951816A2 (en) 2015-12-09
MX347080B (es) 2017-04-11
BR112015018020B1 (pt) 2022-03-15
BR112015018020A2 (enExample) 2017-07-11
CA2960854A1 (en) 2014-08-07
TWI536368B (zh) 2016-06-01
CA2899542A1 (en) 2014-08-07
EP3683793C0 (en) 2024-12-18
KR101794149B1 (ko) 2017-11-07
PL3121813T3 (pl) 2020-08-10
EP3683793A1 (en) 2020-07-22
TR201908919T4 (tr) 2019-07-22
PL3683793T3 (pl) 2025-04-22
CN117392990A (zh) 2024-01-12
AU2014211486B2 (en) 2017-04-20
HK1218181A1 (en) 2017-02-03
EP4503023A2 (en) 2025-02-05
TW201443880A (zh) 2014-11-16
CN110827841A (zh) 2020-02-21
ES2799773T3 (es) 2020-12-21
SG11201505913WA (en) 2015-08-28

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