GB201810221D0 - Determination of spatial audio parameter encoding and associated decoding - Google Patents

Determination of spatial audio parameter encoding and associated decoding

Info

Publication number
GB201810221D0
GB201810221D0 GBGB1810221.0A GB201810221A GB201810221D0 GB 201810221 D0 GB201810221 D0 GB 201810221D0 GB 201810221 A GB201810221 A GB 201810221A GB 201810221 D0 GB201810221 D0 GB 201810221D0
Authority
GB
United Kingdom
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Withdrawn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
GBGB1810221.0A
Other versions
GB2574873A (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 GB201810221A priority Critical patent/GB2574873A/en
Publication of GB201810221D0 publication Critical patent/GB201810221D0/en
Priority to PCT/FI2019/050476 priority patent/WO2019243670A1/en
Publication of GB2574873A publication Critical patent/GB2574873A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • 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
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3068—Precoding preceding compression, e.g. Burrows-Wheeler transformation
    • H03M7/3077—Sorting
    • 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
    • G10L19/0204—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
GB201810221A 2018-06-21 2018-06-21 Determination of spatial audio parameter encoding and associated decoding Withdrawn GB2574873A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB201810221A GB2574873A (en) 2018-06-21 2018-06-21 Determination of spatial audio parameter encoding and associated decoding
PCT/FI2019/050476 WO2019243670A1 (en) 2018-06-21 2019-06-19 Determination of spatial audio parameter encoding and associated decoding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201810221A GB2574873A (en) 2018-06-21 2018-06-21 Determination of spatial audio parameter encoding and associated decoding

Publications (2)

Publication Number Publication Date
GB201810221D0 true GB201810221D0 (en) 2018-08-08
GB2574873A GB2574873A (en) 2019-12-25

Family

ID=63042705

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201810221A Withdrawn GB2574873A (en) 2018-06-21 2018-06-21 Determination of spatial audio parameter encoding and associated decoding

Country Status (2)

Country Link
GB (1) GB2574873A (en)
WO (1) WO2019243670A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2575305A (en) 2018-07-05 2020-01-08 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6016473A (en) * 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
KR20100136890A (en) * 2009-06-19 2010-12-29 삼성전자주식회사 Apparatus and method for arithmetic encoding and arithmetic decoding based context
ES2937066T3 (en) * 2010-07-20 2023-03-23 Fraunhofer Ges Forschung Audio decoder, method and computer program for audio decoding
US9854377B2 (en) * 2013-05-29 2017-12-26 Qualcomm Incorporated Interpolation for decomposed representations of a sound field
US9466305B2 (en) * 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
DE102013223201B3 (en) * 2013-11-14 2015-05-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and device for compressing and decompressing sound field data of a region

Also Published As

Publication number Publication date
GB2574873A (en) 2019-12-25
WO2019243670A1 (en) 2019-12-26

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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)