KR102459010B1 - 오디오 인코더 및 디코더 - Google Patents

오디오 인코더 및 디코더 Download PDF

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KR102459010B1
KR102459010B1 KR1020227011202A KR20227011202A KR102459010B1 KR 102459010 B1 KR102459010 B1 KR 102459010B1 KR 1020227011202 A KR1020227011202 A KR 1020227011202A KR 20227011202 A KR20227011202 A KR 20227011202A KR 102459010 B1 KR102459010 B1 KR 102459010B1
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vector
encoding
elements
upmix matrix
audio
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KR20220045259A (ko
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레이프 요나스 사무엘손
헤이코 푸른하겐
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돌비 인터네셔널 에이비
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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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Error Detection And Correction (AREA)
KR1020227011202A 2013-05-24 2014-05-23 오디오 인코더 및 디코더 Active KR102459010B1 (ko)

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KR1020227036517A KR102572382B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더

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US201361827264P 2013-05-24 2013-05-24
US61/827,264 2013-05-24
KR1020217015014A KR102384348B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
PCT/EP2014/060731 WO2014187988A2 (en) 2013-05-24 2014-05-23 Audio encoder and decoder

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KR102459010B1 true KR102459010B1 (ko) 2022-10-27

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KR1020177020394A Active KR101895198B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020237028826A Active KR102715092B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020247033073A Pending KR20240151867A (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020217015014A Active KR102384348B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020187024874A Active KR102072777B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020207035676A Active KR102280461B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020157036397A Active KR101763131B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020207002641A Active KR102192245B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더

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KR1020177020394A Active KR101895198B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020237028826A Active KR102715092B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020247033073A Pending KR20240151867A (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020217015014A Active KR102384348B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020187024874A Active KR102072777B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020207035676A Active KR102280461B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020157036397A Active KR101763131B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더
KR1020207002641A Active KR102192245B1 (ko) 2013-05-24 2014-05-23 오디오 인코더 및 디코더

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US (8) US9704493B2 (en:Method)
EP (6) EP3605532B1 (en:Method)
JP (7) JP6105159B2 (en:Method)
KR (10) KR102459010B1 (en:Method)
CN (2) CN110085238B (en:Method)
AU (1) AU2014270301B2 (en:Method)
BR (1) BR112015029031B1 (en:Method)
CA (5) CA2911746C (en:Method)
DK (1) DK3005350T3 (en:Method)
ES (4) ES2629025T3 (en:Method)
IL (1) IL242410B (en:Method)
MX (3) MX350117B (en:Method)
MY (2) MY173644A (en:Method)
PL (1) PL3005350T3 (en:Method)
RU (3) RU2643489C2 (en:Method)
SG (2) SG11201509001YA (en:Method)
UA (1) UA112833C2 (en:Method)
WO (1) WO2014187988A2 (en:Method)

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EP2973551B1 (en) 2013-05-24 2017-05-03 Dolby International AB Reconstruction of audio scenes from a downmix
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RU2745832C2 (ru) 2013-05-24 2021-04-01 Долби Интернешнл Аб Эффективное кодирование звуковых сцен, содержащих звуковые объекты
CN105659320B (zh) 2013-10-21 2019-07-12 杜比国际公司 音频编码器和解码器
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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
WO2022065933A1 (ko) * 2020-09-28 2022-03-31 삼성전자 주식회사 오디오의 부호화 장치 및 방법, 및 오디오의 복호화 장치 및 방법
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RU2019141091A (ru) 2021-06-15
CA2990261A1 (en) 2014-11-27
CN105229729B (zh) 2019-03-19
SG10201710019SA (en) 2018-01-30
KR20240151867A (ko) 2024-10-18
US20170309279A1 (en) 2017-10-26
KR102715092B1 (ko) 2024-10-11
CN110085238A (zh) 2019-08-02
CA3251568A1 (en) 2025-02-24
JP6573640B2 (ja) 2019-09-11
KR20200145837A (ko) 2020-12-30
EP3005350A2 (en) 2016-04-13
RU2676041C1 (ru) 2018-12-25
MY173644A (en) 2020-02-13
EP3605532B1 (en) 2021-09-29
DK3005350T3 (en) 2017-07-17
US9940939B2 (en) 2018-04-10
BR112015029031B1 (pt) 2021-02-23
US20210390963A1 (en) 2021-12-16
JP2017102484A (ja) 2017-06-08
WO2014187988A2 (en) 2014-11-27
KR102572382B1 (ko) 2023-09-01
US20200013415A1 (en) 2020-01-09
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US20180240465A1 (en) 2018-08-23
KR20160013154A (ko) 2016-02-03
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MX2020010038A (es) 2020-10-14
CA3163664C (en) 2025-07-08
KR20230129576A (ko) 2023-09-08
KR20170087971A (ko) 2017-07-31
JP6105159B2 (ja) 2017-03-29
KR20200013091A (ko) 2020-02-05
CN110085238B (zh) 2023-06-02
KR102072777B1 (ko) 2020-02-03
RU2643489C2 (ru) 2018-02-01
US20160111098A1 (en) 2016-04-21
CA3077876A1 (en) 2014-11-27
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US20230282219A1 (en) 2023-09-07
AU2014270301B2 (en) 2017-08-03
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US12236961B2 (en) 2025-02-25
PL3005350T3 (pl) 2017-09-29
CA2990261C (en) 2020-06-16
ES2902518T3 (es) 2022-03-28
KR20210060660A (ko) 2021-05-26
RU2015155311A (ru) 2017-06-30
CN105229729A (zh) 2016-01-06
BR112015029031A2 (pt) 2017-07-25
EP4290510B1 (en) 2025-11-05
JP2023076575A (ja) 2023-06-01
KR101763131B1 (ko) 2017-07-31
US9704493B2 (en) 2017-07-11
JP7258086B2 (ja) 2023-04-14
KR20220148314A (ko) 2022-11-04
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JP2020016884A (ja) 2020-01-30
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AU2014270301A1 (en) 2015-11-19
KR102280461B1 (ko) 2021-07-22
CA2911746C (en) 2018-02-13
EP4700767A2 (en) 2026-02-25
EP4290510A3 (en) 2024-02-14
EP4700767A3 (en) 2026-03-11
KR101895198B1 (ko) 2018-09-07
EP3252757B1 (en) 2019-12-25
MX2015015926A (es) 2016-04-06
HK1217246A1 (en) 2016-12-30
ES2965423T3 (es) 2024-04-15
JP2025100674A (ja) 2025-07-03
US11594233B2 (en) 2023-02-28
US10418038B2 (en) 2019-09-17
EP3961622B1 (en) 2023-11-01
MY199032A (en) 2023-10-10
KR102192245B1 (ko) 2020-12-17
IL242410B (en) 2018-11-29
JP2016526186A (ja) 2016-09-01
EP3252757A1 (en) 2017-12-06
MX375380B (es) 2025-03-06
SG11201509001YA (en) 2015-12-30
UA112833C2 (uk) 2016-10-25
US10714104B2 (en) 2020-07-14
WO2014187988A3 (en) 2015-02-05
CA2911746A1 (en) 2014-11-27
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