JP7213364B2 - 空間オーディオパラメータの符号化及び対応する復号の決定 - Google Patents

空間オーディオパラメータの符号化及び対応する復号の決定 Download PDF

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JP7213364B2
JP7213364B2 JP2021547951A JP2021547951A JP7213364B2 JP 7213364 B2 JP7213364 B2 JP 7213364B2 JP 2021547951 A JP2021547951 A JP 2021547951A JP 2021547951 A JP2021547951 A JP 2021547951A JP 7213364 B2 JP7213364 B2 JP 7213364B2
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JP2022509440A (ja
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アドリアナ ヴァシラケ
ミッコ・ヴィッレ ライティネン
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ノキア テクノロジーズ オーユー
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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
    • G10L19/02—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
    • G10L19/0204—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 using subband decomposition
    • 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
    • G10L19/0212—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 using orthogonal transformation
    • 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
    • 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
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
    • 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)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2021547951A 2018-10-31 2019-10-01 空間オーディオパラメータの符号化及び対応する復号の決定 Active JP7213364B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB1817807.9A GB2578603A (en) 2018-10-31 2018-10-31 Determination of spatial audio parameter encoding and associated decoding
GB1817807.9 2018-10-31
GBGB1903850.4A GB201903850D0 (en) 2019-03-21 2019-03-21 Determination of spatial audio parameter encoding and associated decoding
GB1903850.4 2019-03-21
PCT/FI2019/050704 WO2020089510A1 (en) 2018-10-31 2019-10-01 Determination of spatial audio parameter encoding and associated decoding

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JP2022509440A JP2022509440A (ja) 2022-01-20
JP2022509440A5 JP2022509440A5 (https=) 2022-09-26
JPWO2020089510A5 JPWO2020089510A5 (https=) 2022-09-26
JP7213364B2 true JP7213364B2 (ja) 2023-01-26

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EP (1) EP3874492B1 (https=)
JP (1) JP7213364B2 (https=)
KR (1) KR102587641B1 (https=)
CN (1) CN112997248B (https=)
ES (1) ES2968494T3 (https=)
FI (1) FI3874492T3 (https=)
PH (1) PH12021550956A1 (https=)
PT (1) PT3874492T (https=)
WO (1) WO2020089510A1 (https=)

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GB2590650A (en) 2019-12-23 2021-07-07 Nokia Technologies Oy The merging of spatial audio parameters
GB2590651A (en) 2019-12-23 2021-07-07 Nokia Technologies Oy Combining of spatial audio parameters
GB2590913A (en) 2019-12-31 2021-07-14 Nokia Technologies Oy Spatial audio parameter encoding and associated decoding
GB2592896A (en) * 2020-01-13 2021-09-15 Nokia Technologies Oy Spatial audio parameter encoding and associated decoding
GB2595871A (en) 2020-06-09 2021-12-15 Nokia Technologies Oy The reduction of spatial audio parameters
GB2595883A (en) 2020-06-09 2021-12-15 Nokia Technologies Oy Spatial audio parameter encoding and associated decoding
MX2022015324A (es) 2020-06-11 2023-02-27 Dolby Laboratories Licensing Corp Metodos y dispositivos para codificar y/o decodificar ruido de fondo espacial dentro de una se?al de entrada multicanal.
GB2598932A (en) 2020-09-18 2022-03-23 Nokia Technologies Oy Spatial audio parameter encoding and associated decoding
CN116762127A (zh) * 2020-12-15 2023-09-15 诺基亚技术有限公司 量化空间音频参数
US12412585B2 (en) 2021-01-18 2025-09-09 Nokia Technlogies Oy Transforming spatial audio parameters
WO2022200666A1 (en) 2021-03-22 2022-09-29 Nokia Technologies Oy Combining spatial audio streams
GB2605190A (en) 2021-03-26 2022-09-28 Nokia Technologies Oy Interactive audio rendering of a spatial stream
WO2022223133A1 (en) * 2021-04-23 2022-10-27 Nokia Technologies Oy Spatial audio parameter encoding and associated decoding
GB2624874A (en) * 2022-11-29 2024-06-05 Nokia Technologies Oy Parametric spatial audio encoding
CN118314908A (zh) * 2023-01-06 2024-07-09 华为技术有限公司 场景音频解码方法及电子设备
GB2639905A (en) 2024-03-27 2025-10-08 Nokia Technologies Oy Rendering of a spatial audio stream

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JP2008517339A (ja) 2005-04-19 2008-05-22 コーディング テクノロジーズ アクチボラゲット 空間音声パラメータの効率的符号化のためのエネルギー対応量子化
JP2009510514A (ja) 2005-09-27 2009-03-12 エルジー エレクトロニクス インコーポレイティド マルチチャネルオーディオ信号の符号化／復号化方法及び装置

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JP2008517339A (ja) 2005-04-19 2008-05-22 コーディング テクノロジーズ アクチボラゲット 空間音声パラメータの効率的符号化のためのエネルギー対応量子化
JP2009510514A (ja) 2005-09-27 2009-03-12 エルジー エレクトロニクス インコーポレイティド マルチチャネルオーディオ信号の符号化／復号化方法及び装置

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EP3874492A1 (en) 2021-09-08
US12009001B2 (en) 2024-06-11
JP2022509440A (ja) 2022-01-20
FI3874492T3 (fi) 2024-01-08
PT3874492T (pt) 2024-01-09
CN112997248A (zh) 2021-06-18
CN112997248B (zh) 2024-11-01
ES2968494T3 (es) 2024-05-09
KR20210089184A (ko) 2021-07-15
EP3874492B1 (en) 2023-12-06
KR102587641B1 (ko) 2023-10-10
US20210407525A1 (en) 2021-12-30
WO2020089510A1 (en) 2020-05-07
EP3874492A4 (en) 2022-08-10
PH12021550956A1 (en) 2022-05-02

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