JP6710675B2 - オーディオ処理システムおよび方法 - Google Patents

オーディオ処理システムおよび方法 Download PDF

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JP6710675B2
JP6710675B2 JP2017505086A JP2017505086A JP6710675B2 JP 6710675 B2 JP6710675 B2 JP 6710675B2 JP 2017505086 A JP2017505086 A JP 2017505086A JP 2017505086 A JP2017505086 A JP 2017505086A JP 6710675 B2 JP6710675 B2 JP 6710675B2
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audio
channel
metadata
renderer
decoder
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JP2017526264A5 (https=
JP2017526264A (ja
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ジェームズ エッジャーディング，ティモシー
ジェームズ エッジャーディング，ティモシー
ウルフ，クリスティアン
クリストファー ノエル，アダム
クリストファー ノエル，アダム
マシュー フィッシャー，デイヴィッド
マシュー フィッシャー，デイヴィッド
マーティンズ，セルジオ
Original Assignee
ドルビー ラボラトリーズ ライセンシング コーポレイション
ドルビー ラボラトリーズ ライセンシング コーポレイション
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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
    • G10L19/04—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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
JP2017505086A 2014-07-31 2015-07-27 オーディオ処理システムおよび方法 Active JP6710675B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462031723P 2014-07-31 2014-07-31
US62/031,723 2014-07-31
PCT/US2015/042190 WO2016018787A1 (en) 2014-07-31 2015-07-27 Audio processing systems and methods

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JP2017526264A JP2017526264A (ja) 2017-09-07
JP2017526264A5 JP2017526264A5 (https=) 2018-08-30
JP6710675B2 true JP6710675B2 (ja) 2020-06-17

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US (1) US9875751B2 (https=)
EP (1) EP3175446B1 (https=)
JP (1) JP6710675B2 (https=)
CN (1) CN106688251B (https=)
WO (1) WO2016018787A1 (https=)

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Publication number Publication date
US9875751B2 (en) 2018-01-23
US20170243596A1 (en) 2017-08-24
CN106688251B (zh) 2019-10-01
CN106688251A (zh) 2017-05-17
EP3175446A1 (en) 2017-06-07
EP3175446B1 (en) 2019-06-19
WO2016018787A1 (en) 2016-02-04
JP2017526264A (ja) 2017-09-07

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