EP3991170A4 - Determination of spatial audio parameter encoding and associated decoding - Google Patents

Determination of spatial audio parameter encoding and associated decoding Download PDF

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Publication number
EP3991170A4
EP3991170A4 EP20833011.8A EP20833011A EP3991170A4 EP 3991170 A4 EP3991170 A4 EP 3991170A4 EP 20833011 A EP20833011 A EP 20833011A EP 3991170 A4 EP3991170 A4 EP 3991170A4
Authority
EP
European Patent Office
Prior art keywords
determination
spatial audio
audio parameter
parameter encoding
associated decoding
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.)
Withdrawn
Application number
EP20833011.8A
Other languages
German (de)
French (fr)
Other versions
EP3991170A1 (en
Inventor
Adriana Vasilache
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
Publication of EP3991170A1 publication Critical patent/EP3991170A1/en
Publication of EP3991170A4 publication Critical patent/EP3991170A4/en
Withdrawn legal-status Critical Current

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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
    • G10L19/02—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
    • G10L19/008—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
    • G10L19/0204—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
    • G10L19/04—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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • 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
    • G10L19/002—Dynamic bit allocation
    • 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
    • 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
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP20833011.8A 2019-06-25 2020-06-15 Determination of spatial audio parameter encoding and associated decoding Withdrawn EP3991170A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1909138.8A GB2585187A (en) 2019-06-25 2019-06-25 Determination of spatial audio parameter encoding and associated decoding
PCT/FI2020/050423 WO2020260756A1 (en) 2019-06-25 2020-06-15 Determination of spatial audio parameter encoding and associated decoding

Publications (2)

Publication Number Publication Date
EP3991170A1 EP3991170A1 (en) 2022-05-04
EP3991170A4 true EP3991170A4 (en) 2023-05-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20833011.8A Withdrawn EP3991170A4 (en) 2019-06-25 2020-06-15 Determination of spatial audio parameter encoding and associated decoding

Country Status (3)

Country Link
EP (1) EP3991170A4 (en)
GB (1) GB2585187A (en)
WO (1) WO2020260756A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230133341A (en) * 2021-01-18 2023-09-19 노키아 테크놀로지스 오와이 Transformation of spatial audio parameters
CN113626550B (en) * 2021-08-05 2022-02-25 生态环境部卫星环境应用中心 Image tile map service method based on triple bidirectional index and optimized cache

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160005407A1 (en) * 2013-02-21 2016-01-07 Dolby International Ab Methods for Parametric Multi-Channel Encoding
WO2020008105A1 (en) * 2018-07-05 2020-01-09 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6758675B2 (en) * 2002-02-04 2004-07-06 James M. Karabaic Base ten primary teaching kit
US20060235683A1 (en) * 2005-04-13 2006-10-19 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Lossless encoding of information with guaranteed maximum bitrate
US7991610B2 (en) * 2005-04-13 2011-08-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Adaptive grouping of parameters for enhanced coding efficiency
CN102081926B (en) * 2009-11-27 2013-06-05 中兴通讯股份有限公司 Method and system for encoding and decoding lattice vector quantization audio
TWI615834B (en) * 2013-05-31 2018-02-21 Sony Corp Encoding device and method, decoding device and method, and program
EP3707706B1 (en) * 2017-11-10 2021-08-04 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
PL3711047T3 (en) * 2017-11-17 2023-01-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160005407A1 (en) * 2013-02-21 2016-01-07 Dolby International Ab Methods for Parametric Multi-Channel Encoding
WO2020008105A1 (en) * 2018-07-05 2020-01-09 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020260756A1 *

Also Published As

Publication number Publication date
EP3991170A1 (en) 2022-05-04
GB201909138D0 (en) 2019-08-07
WO2020260756A1 (en) 2020-12-30
GB2585187A (en) 2021-01-06

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