EP4627572C0 - Parametrische räumliche audiokodierung - Google Patents

Parametrische räumliche audiokodierung

Info

Publication number
EP4627572C0
EP4627572C0 EP23805488.6A EP23805488A EP4627572C0 EP 4627572 C0 EP4627572 C0 EP 4627572C0 EP 23805488 A EP23805488 A EP 23805488A EP 4627572 C0 EP4627572 C0 EP 4627572C0
Authority
EP
European Patent Office
Prior art keywords
audio coding
spatial audio
parametric spatial
parametric
coding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP23805488.6A
Other languages
English (en)
French (fr)
Other versions
EP4627572B1 (de
EP4627572A1 (de
Inventor
Adriana Vasilache
Mikko-Ville Laitinen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Technologies Oy
Original Assignee
Nokia Technologies Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Technologies Oy filed Critical Nokia Technologies Oy
Priority to EP26159862.7A priority Critical patent/EP4723108A2/de
Publication of EP4627572A1 publication Critical patent/EP4627572A1/de
Application granted granted Critical
Publication of EP4627572B1 publication Critical patent/EP4627572B1/de
Publication of EP4627572C0 publication Critical patent/EP4627572C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • 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
    • G10L2019/0001—Codebooks
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0007—Codebook element generation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP23805488.6A 2022-11-29 2023-11-07 Parametrische räumliche audiokodierung Active EP4627572B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP26159862.7A EP4723108A2 (de) 2022-11-29 2023-11-07 Parametrische räumliche audiokodierung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2217884.2A GB2624869A (en) 2022-11-29 2022-11-29 Parametric spatial audio encoding
PCT/EP2023/080907 WO2024115052A1 (en) 2022-11-29 2023-11-07 Parametric spatial audio encoding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP26159862.7A Division EP4723108A2 (de) 2022-11-29 2023-11-07 Parametrische räumliche audiokodierung

Publications (3)

Publication Number Publication Date
EP4627572A1 EP4627572A1 (de) 2025-10-08
EP4627572B1 EP4627572B1 (de) 2026-03-04
EP4627572C0 true EP4627572C0 (de) 2026-03-04

Family

ID=84889624

Family Applications (2)

Application Number Title Priority Date Filing Date
EP23805488.6A Active EP4627572B1 (de) 2022-11-29 2023-11-07 Parametrische räumliche audiokodierung
EP26159862.7A Pending EP4723108A2 (de) 2022-11-29 2023-11-07 Parametrische räumliche audiokodierung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP26159862.7A Pending EP4723108A2 (de) 2022-11-29 2023-11-07 Parametrische räumliche audiokodierung

Country Status (9)

Country Link
EP (2) EP4627572B1 (de)
JP (1) JP2025540763A (de)
KR (1) KR20250088634A (de)
CN (1) CN120226075B (de)
AU (1) AU2023405234B2 (de)
CO (1) CO2025006784A2 (de)
GB (1) GB2624869A (de)
MX (1) MX2025006029A (de)
WO (1) WO2024115052A1 (de)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2814028B1 (de) * 2012-02-10 2016-08-17 Panasonic Intellectual Property Corporation of America Audio- und sprachcodierungsvorrichtung, audio- und sprachdecodierungsvorrichtung, audio- und sprachcodierungsverfahren sowie audio- und sprachdecodierungsverfahren
WO2014108738A1 (en) * 2013-01-08 2014-07-17 Nokia Corporation Audio signal multi-channel parameter encoder
CN106030703B (zh) * 2013-12-17 2020-02-04 诺基亚技术有限公司 音频信号编码器
GB2578603A (en) * 2018-10-31 2020-05-20 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
CA3193359A1 (en) * 2019-06-14 2020-12-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Parameter encoding and decoding
GB2585187A (en) * 2019-06-25 2021-01-06 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
GB2586214A (en) * 2019-07-31 2021-02-17 Nokia Technologies Oy Quantization of spatial audio direction parameters
KR20220062621A (ko) * 2019-09-17 2022-05-17 노키아 테크놀로지스 오와이 공간적 오디오 파라미터 인코딩 및 관련 디코딩
GB2592896A (en) * 2020-01-13 2021-09-15 Nokia Technologies Oy Spatial audio parameter encoding and associated decoding
WO2022200666A1 (en) * 2021-03-22 2022-09-29 Nokia Technologies Oy Combining spatial audio streams
WO2022223133A1 (en) * 2021-04-23 2022-10-27 Nokia Technologies Oy Spatial audio parameter encoding and associated decoding

Also Published As

Publication number Publication date
JP2025540763A (ja) 2025-12-16
CO2025006784A2 (es) 2025-06-06
CN120226075B (zh) 2026-03-13
EP4627572B1 (de) 2026-03-04
KR20250088634A (ko) 2025-06-17
MX2025006029A (es) 2025-06-02
EP4723108A2 (de) 2026-04-08
GB2624869A (en) 2024-06-05
AU2023405234A1 (en) 2025-05-29
EP4627572A1 (de) 2025-10-08
WO2024115052A1 (en) 2024-06-06
GB202217884D0 (en) 2023-01-11
AU2023405234B2 (en) 2025-09-25
CN120226075A (zh) 2025-06-27

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