CN112997248B - 确定空间音频参数的编码和相关联解码 - Google Patents

确定空间音频参数的编码和相关联解码 Download PDF

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CN112997248B
CN112997248B CN201980072488.XA CN201980072488A CN112997248B CN 112997248 B CN112997248 B CN 112997248B CN 201980072488 A CN201980072488 A CN 201980072488A CN 112997248 B CN112997248 B CN 112997248B
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codebook
subband
value
discrete cosine
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CN112997248A (zh
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A·瓦西拉凯
M-V·莱蒂南
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Nokia Technologies Oy
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Nokia Technologies Oy
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Priority claimed from GBGB1903850.4A external-priority patent/GB201903850D0/en
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0212Speech 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/15Aspects of sound capture and related signal processing for recording or reproduction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application 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)
CN201980072488.XA 2018-10-31 2019-10-01 确定空间音频参数的编码和相关联解码 Active CN112997248B (zh)

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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CN112997248A CN112997248A (zh) 2021-06-18
CN112997248B true CN112997248B (zh) 2024-11-01

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US (1) US12009001B2 (https=)
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=)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2582749A (en) * 2019-03-28 2020-10-07 Nokia Technologies Oy Determination of the significance of spatial audio parameters and associated encoding
US12073842B2 (en) * 2019-06-24 2024-08-27 Qualcomm Incorporated Psychoacoustic audio coding of ambisonic audio data
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201817807D0 (en) * 2018-10-31 2018-12-19 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
CN112219237A (zh) * 2018-04-09 2021-01-12 诺基亚技术有限公司 空间音频参数的量化
CN113228168A (zh) * 2018-10-02 2021-08-06 诺基亚技术有限公司 用于空间音频参数编码的量化方案的选择

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8374237B2 (en) * 2001-03-02 2013-02-12 Dolby Laboratories Licensing Corporation High precision encoding and decoding of video images
US6735254B2 (en) * 2001-06-29 2004-05-11 Qualcomm, Inc. DCT compression using Golomb-Rice coding
KR100519260B1 (ko) * 2002-02-21 2005-10-06 주식회사 애드일렉코 고속 최적화된 무선마이크 장치 및 그 제어방법
KR101135726B1 (ko) 2004-04-05 2012-04-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 인코더, 디코더, 인코딩 방법, 디코딩 방법 및 기록 매체
RU2376655C2 (ru) 2005-04-19 2009-12-20 Коудинг Текнолоджиз Аб Зависящее от энергии квантование для эффективного кодирования пространственных параметров звука
US8090587B2 (en) 2005-09-27 2012-01-03 Lg Electronics Inc. Method and apparatus for encoding/decoding multi-channel audio signal
US20070094035A1 (en) * 2005-10-21 2007-04-26 Nokia Corporation Audio coding
EP2360681A1 (en) 2010-01-15 2011-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
PL2684190T3 (pl) 2011-03-10 2016-04-29 Ericsson Telefon Ab L M Wypełnianie niekodowanych podwektorów w sygnałach audio kodowanych transformatowo
EP2989631A4 (en) * 2013-04-26 2016-12-21 Nokia Technologies Oy AUDIO SIGNAL ENCODER
US9495968B2 (en) 2013-05-29 2016-11-15 Qualcomm Incorporated Identifying sources from which higher order ambisonic audio data is generated
CN107221334B (zh) * 2016-11-01 2020-12-29 武汉大学深圳研究院 一种音频带宽扩展的方法及扩展装置
GB201718341D0 (en) 2017-11-06 2017-12-20 Nokia Technologies Oy Determination of targeted spatial audio parameters and associated spatial audio playback
GB2575305A (en) 2018-07-05 2020-01-08 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112219237A (zh) * 2018-04-09 2021-01-12 诺基亚技术有限公司 空间音频参数的量化
CN113228168A (zh) * 2018-10-02 2021-08-06 诺基亚技术有限公司 用于空间音频参数编码的量化方案的选择
GB201817807D0 (en) * 2018-10-31 2018-12-19 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding

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EP3874492A1 (en) 2021-09-08
JP7213364B2 (ja) 2023-01-26
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
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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