RU2676041C1 - Аудиокодер и аудиодекодер - Google Patents

Аудиокодер и аудиодекодер Download PDF

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Publication number
RU2676041C1
RU2676041C1 RU2018101246A RU2018101246A RU2676041C1 RU 2676041 C1 RU2676041 C1 RU 2676041C1 RU 2018101246 A RU2018101246 A RU 2018101246A RU 2018101246 A RU2018101246 A RU 2018101246A RU 2676041 C1 RU2676041 C1 RU 2676041C1
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symbol
vector
entropy
parameter
entropy encoded
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RU2018101246A
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English (en)
Russian (ru)
Inventor
Лейф Йонас САМУЭЛЬССОН
Хейко ПУРНХАГЕН
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Долби Интернэшнл Аб
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    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
  • Stereophonic System (AREA)
RU2018101246A 2013-05-24 2014-05-23 Аудиокодер и аудиодекодер RU2676041C1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361827264P 2013-05-24 2013-05-24
US61/827,264 2013-05-24

Related Parent Applications (1)

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RU2015155311A Division RU2643489C2 (ru) 2013-05-24 2014-05-23 Аудиокодер и аудиодекодер

Related Child Applications (1)

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RU2018144368A Division RU2710909C1 (ru) 2013-05-24 2018-12-14 Аудиокодер и аудиодекодер

Publications (1)

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RU2676041C1 true RU2676041C1 (ru) 2018-12-25

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RU2018101246A RU2676041C1 (ru) 2013-05-24 2014-05-23 Аудиокодер и аудиодекодер
RU2015155311A RU2643489C2 (ru) 2013-05-24 2014-05-23 Аудиокодер и аудиодекодер
RU2018144368A RU2710909C1 (ru) 2013-05-24 2018-12-14 Аудиокодер и аудиодекодер

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RU2015155311A RU2643489C2 (ru) 2013-05-24 2014-05-23 Аудиокодер и аудиодекодер
RU2018144368A RU2710909C1 (ru) 2013-05-24 2018-12-14 Аудиокодер и аудиодекодер

Country Status (18)

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US (8) US9704493B2 (esLanguage)
EP (6) EP4290510B1 (esLanguage)
JP (8) JP6105159B2 (esLanguage)
KR (10) KR102572382B1 (esLanguage)
CN (2) CN110085238B (esLanguage)
AU (1) AU2014270301B2 (esLanguage)
BR (1) BR112015029031B1 (esLanguage)
CA (5) CA2911746C (esLanguage)
DK (1) DK3005350T3 (esLanguage)
ES (4) ES2965423T3 (esLanguage)
IL (1) IL242410B (esLanguage)
MX (3) MX375380B (esLanguage)
MY (2) MY199032A (esLanguage)
PL (1) PL3005350T3 (esLanguage)
RU (3) RU2676041C1 (esLanguage)
SG (2) SG11201509001YA (esLanguage)
UA (1) UA112833C2 (esLanguage)
WO (1) WO2014187988A2 (esLanguage)

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CN107886960B (zh) * 2016-09-30 2020-12-01 华为技术有限公司 一种音频信号重建方法及装置
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MX375380B (es) 2025-03-06
KR20200145837A (ko) 2020-12-30
EP3605532A1 (en) 2020-02-05
US20160111098A1 (en) 2016-04-21
CA3077876C (en) 2022-08-09
WO2014187988A2 (en) 2014-11-27
EP4700767A2 (en) 2026-02-25
EP3005350B1 (en) 2017-05-10
RU2643489C2 (ru) 2018-02-01
JP6573640B2 (ja) 2019-09-11
US10714104B2 (en) 2020-07-14
BR112015029031A2 (pt) 2017-07-25
DK3005350T3 (en) 2017-07-17
JP7877418B2 (ja) 2026-06-22
JP2026127758A (ja) 2026-08-06
KR102280461B1 (ko) 2021-07-22
US9940939B2 (en) 2018-04-10
RU2019141091A (ru) 2021-06-15
JP6920382B2 (ja) 2021-08-18
KR101895198B1 (ko) 2018-09-07
US9704493B2 (en) 2017-07-11
US10418038B2 (en) 2019-09-17
BR112015029031B1 (pt) 2021-02-23
CA3251568A1 (en) 2025-02-24
MY199032A (en) 2023-10-10
RU2015155311A (ru) 2017-06-30
CA2990261C (en) 2020-06-16
EP3961622A1 (en) 2022-03-02
IL242410B (en) 2018-11-29
US20180240465A1 (en) 2018-08-23
CA2911746C (en) 2018-02-13
US11594233B2 (en) 2023-02-28
US20250356860A1 (en) 2025-11-20
US20210390963A1 (en) 2021-12-16
CN105229729B (zh) 2019-03-19
ES3057878T3 (en) 2026-03-05
MX350117B (es) 2017-08-28
US12236961B2 (en) 2025-02-25
MX2020010038A (es) 2020-10-14
RU2710909C1 (ru) 2020-01-14
KR102192245B1 (ko) 2020-12-17
EP4290510A3 (en) 2024-02-14
KR20240151867A (ko) 2024-10-18
KR102459010B1 (ko) 2022-10-27
US20200013415A1 (en) 2020-01-09
CA3163664C (en) 2025-07-08
JP2021179627A (ja) 2021-11-18
AU2014270301A1 (en) 2015-11-19
SG10201710019SA (en) 2018-01-30
CA2911746A1 (en) 2014-11-27
KR101763131B1 (ko) 2017-07-31
JP2023076575A (ja) 2023-06-01
MX2015015926A (es) 2016-04-06
JP2017102484A (ja) 2017-06-08
MY173644A (en) 2020-02-13
US20200411017A1 (en) 2020-12-31
KR102384348B1 (ko) 2022-04-08
EP3961622B1 (en) 2023-11-01
PL3005350T3 (pl) 2017-09-29
JP6105159B2 (ja) 2017-03-29
ES2902518T3 (es) 2022-03-28
KR102572382B1 (ko) 2023-09-01
KR20220045259A (ko) 2022-04-12
US11024320B2 (en) 2021-06-01
KR20200013091A (ko) 2020-02-05
WO2014187988A3 (en) 2015-02-05
JP7258086B2 (ja) 2023-04-14
EP3005350A2 (en) 2016-04-13
KR20210060660A (ko) 2021-05-26
CN110085238A (zh) 2019-08-02
CA3077876A1 (en) 2014-11-27
AU2014270301B2 (en) 2017-08-03
ES2965423T3 (es) 2024-04-15
KR20170087971A (ko) 2017-07-31
US20170309279A1 (en) 2017-10-26
US20230282219A1 (en) 2023-09-07
KR20220148314A (ko) 2022-11-04
EP3605532B1 (en) 2021-09-29
JP7875333B2 (ja) 2026-06-17
CN110085238B (zh) 2023-06-02
CA2990261A1 (en) 2014-11-27
KR102072777B1 (ko) 2020-02-03
KR20160013154A (ko) 2016-02-03
JP7585379B2 (ja) 2024-11-18
KR20230129576A (ko) 2023-09-08
CN105229729A (zh) 2016-01-06
EP3252757A1 (en) 2017-12-06
UA112833C2 (uk) 2016-10-25
EP4290510B1 (en) 2025-11-05
KR20180099942A (ko) 2018-09-05
SG11201509001YA (en) 2015-12-30
HK1217246A1 (en) 2016-12-30
ES2629025T3 (es) 2017-08-07
EP4700767A3 (en) 2026-03-11
KR102715092B1 (ko) 2024-10-11
JP2025028867A (ja) 2025-03-05
EP3252757B1 (en) 2019-12-25
JP2016526186A (ja) 2016-09-01
CA3163664A1 (en) 2014-11-27
EP4290510A2 (en) 2023-12-13
JP2025100674A (ja) 2025-07-03
JP2020016884A (ja) 2020-01-30

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