GB201811601D0 - Sparse quantization of spatial audio parameters - Google Patents

Sparse quantization of spatial audio parameters

Info

Publication number
GB201811601D0
GB201811601D0 GBGB1811601.2A GB201811601A GB201811601D0 GB 201811601 D0 GB201811601 D0 GB 201811601D0 GB 201811601 A GB201811601 A GB 201811601A GB 201811601 D0 GB201811601 D0 GB 201811601D0
Authority
GB
United Kingdom
Prior art keywords
spatial audio
audio parameters
sparse quantization
sparse
quantization
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Withdrawn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
GBGB1811601.2A
Other versions
GB2575632A (en
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 GB1811601.2A priority Critical patent/GB2575632A/en
Publication of GB201811601D0 publication Critical patent/GB201811601D0/en
Priority to PCT/FI2019/050527 priority patent/WO2020016479A1/en
Publication of GB2575632A publication Critical patent/GB2575632A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
GB1811601.2A 2018-07-16 2018-07-16 Sparse quantization of spatial audio parameters Withdrawn GB2575632A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1811601.2A GB2575632A (en) 2018-07-16 2018-07-16 Sparse quantization of spatial audio parameters
PCT/FI2019/050527 WO2020016479A1 (en) 2018-07-16 2019-07-05 Sparse quantization of spatial audio parameters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1811601.2A GB2575632A (en) 2018-07-16 2018-07-16 Sparse quantization of spatial audio parameters

Publications (2)

Publication Number Publication Date
GB201811601D0 true GB201811601D0 (en) 2018-08-29
GB2575632A GB2575632A (en) 2020-01-22

Family

ID=63273079

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1811601.2A Withdrawn GB2575632A (en) 2018-07-16 2018-07-16 Sparse quantization of spatial audio parameters

Country Status (2)

Country Link
GB (1) GB2575632A (en)
WO (1) WO2020016479A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2586461A (en) * 2019-08-16 2021-02-24 Nokia Technologies Oy Quantization of spatial audio direction parameters
GB2587196A (en) * 2019-09-13 2021-03-24 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
GB2595883A (en) * 2020-06-09 2021-12-15 Nokia Technologies Oy Spatial audio parameter encoding and associated decoding
FR3132811A1 (en) * 2022-02-14 2023-08-18 Orange Encoding and decoding spherical coordinates using an optimized spherical quantization dictionary

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007011157A1 (en) * 2005-07-19 2007-01-25 Electronics And Telecommunications Research Institute Virtual source location information based channel level difference quantization and dequantization method
US7933770B2 (en) * 2006-07-14 2011-04-26 Siemens Audiologische Technik Gmbh Method and device for coding audio data based on vector quantisation
WO2009067741A1 (en) * 2007-11-27 2009-06-04 Acouity Pty Ltd Bandwidth compression of parametric soundfield representations for transmission and storage

Also Published As

Publication number Publication date
GB2575632A (en) 2020-01-22
WO2020016479A1 (en) 2020-01-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)