JP6392353B2 - マルチチャネル・オーディオ・コンテンツの符号化 - Google Patents

マルチチャネル・オーディオ・コンテンツの符号化 Download PDF

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JP6392353B2
JP6392353B2 JP2016541903A JP2016541903A JP6392353B2 JP 6392353 B2 JP6392353 B2 JP 6392353B2 JP 2016541903 A JP2016541903 A JP 2016541903A JP 2016541903 A JP2016541903 A JP 2016541903A JP 6392353 B2 JP6392353 B2 JP 6392353B2
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input audio
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JP2016534410A (ja
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プルンハーゲン，ヘイコ
ミュント，ハーラルト
クヨーリング，クリストファー
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ドルビー・インターナショナル・アーベー
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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
    • G10L19/02—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
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2016541903A 2013-09-12 2014-09-08 マルチチャネル・オーディオ・コンテンツの符号化 Active JP6392353B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361877189P 2013-09-12 2013-09-12
US61/877,189 2013-09-12
US201361893770P 2013-10-21 2013-10-21
US61/893,770 2013-10-21
US201461973628P 2014-04-01 2014-04-01
US61/973,628 2014-04-01
PCT/EP2014/069044 WO2015036352A1 (en) 2013-09-12 2014-09-08 Coding of multichannel audio content

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JP2017119471A Division JP6644732B2 (ja) 2013-09-12 2017-06-19 マルチチャネル・オーディオ・コンテンツの符号化
JP2018102075A Division JP6759277B2 (ja) 2013-09-12 2018-05-29 マルチチャネル・オーディオ・コンテンツの符号化

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JP6392353B2 true JP6392353B2 (ja) 2018-09-19

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JP2017119471A Active JP6644732B2 (ja) 2013-09-12 2017-06-19 マルチチャネル・オーディオ・コンテンツの符号化
JP2018102075A Active JP6759277B2 (ja) 2013-09-12 2018-05-29 マルチチャネル・オーディオ・コンテンツの符号化
JP2020147541A Active JP6978565B2 (ja) 2013-09-12 2020-09-02 マルチチャネル・オーディオ・コンテンツの符号化
JP2021183937A Active JP7196268B2 (ja) 2013-09-12 2021-11-11 マルチチャネル・オーディオ・コンテンツの符号化
JP2022199242A Active JP7726612B2 (ja) 2013-09-12 2022-12-14 マルチチャネル・オーディオ・コンテンツの符号化
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JP2018102075A Active JP6759277B2 (ja) 2013-09-12 2018-05-29 マルチチャネル・オーディオ・コンテンツの符号化
JP2020147541A Active JP6978565B2 (ja) 2013-09-12 2020-09-02 マルチチャネル・オーディオ・コンテンツの符号化
JP2021183937A Active JP7196268B2 (ja) 2013-09-12 2021-11-11 マルチチャネル・オーディオ・コンテンツの符号化
JP2022199242A Active JP7726612B2 (ja) 2013-09-12 2022-12-14 マルチチャネル・オーディオ・コンテンツの符号化
JP2025130421A Pending JP2025163183A (ja) 2013-09-12 2025-08-05 マルチチャネル・オーディオ・コンテンツの符号化

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US (6) US9646619B2 (https=)
EP (4) EP3293734B1 (https=)
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CN (7) CN110634494B (https=)
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JP2018146975A (ja) * 2013-09-12 2018-09-20 ドルビー・インターナショナル・アーベー マルチチャネル・オーディオ・コンテンツの符号化

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Cited By (1)

* Cited by examiner, † Cited by third party
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JP2018146975A (ja) * 2013-09-12 2018-09-20 ドルビー・インターナショナル・アーベー マルチチャネル・オーディオ・コンテンツの符号化

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US20160225375A1 (en) 2016-08-04
CN110634494B (zh) 2023-09-01
US20200265844A1 (en) 2020-08-20
JP2025163183A (ja) 2025-10-28
US10325607B2 (en) 2019-06-18
US11776552B2 (en) 2023-10-03
CN107134280A (zh) 2017-09-05
HK1218180A1 (zh) 2017-02-03
JP6978565B2 (ja) 2021-12-08
ES2641538T3 (es) 2017-11-10
CN107134280B (zh) 2020-10-23
CN110473560A (zh) 2019-11-19
US9899029B2 (en) 2018-02-20
CN117037811A (zh) 2023-11-10
JP2022010239A (ja) 2022-01-14
EP3561809B1 (en) 2023-11-22
US20190267012A1 (en) 2019-08-29
JP2018146975A (ja) 2018-09-20
US20220375481A1 (en) 2022-11-24
EP3044784A1 (en) 2016-07-20
EP4297026A2 (en) 2023-12-27
JP6759277B2 (ja) 2020-09-23
CN110473560B (zh) 2023-01-06
JP6644732B2 (ja) 2020-02-12
EP4297026A3 (en) 2024-03-06
JP2017167566A (ja) 2017-09-21
US9646619B2 (en) 2017-05-09
JP2020204778A (ja) 2020-12-24
CN117037810A (zh) 2023-11-10
US20170221489A1 (en) 2017-08-03
EP3293734B1 (en) 2019-05-15
CN110648674B (zh) 2023-09-22
JP7196268B2 (ja) 2022-12-26
US11410665B2 (en) 2022-08-09
US10593340B2 (en) 2020-03-17
CN105556597B (zh) 2019-10-29
EP3561809A1 (en) 2019-10-30
CN105556597A (zh) 2016-05-04
JP2016534410A (ja) 2016-11-04
US20180108364A1 (en) 2018-04-19
CN110648674A (zh) 2020-01-03
JP2023029374A (ja) 2023-03-03
EP3044784B1 (en) 2017-08-30
WO2015036352A1 (en) 2015-03-19
JP7726612B2 (ja) 2025-08-20
CN110634494A (zh) 2019-12-31
EP3293734A1 (en) 2018-03-14

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