CA3163664C - AUDIO ENCODER AND DECODER - Google Patents

AUDIO ENCODER AND DECODER

Info

Publication number
CA3163664C
CA3163664C CA3163664A CA3163664A CA3163664C CA 3163664 C CA3163664 C CA 3163664C CA 3163664 A CA3163664 A CA 3163664A CA 3163664 A CA3163664 A CA 3163664A CA 3163664 C CA3163664 C CA 3163664C
Authority
CA
Canada
Prior art keywords
entropy coded
vector
symbol
coded symbol
encoding
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
CA3163664A
Other languages
English (en)
French (fr)
Other versions
CA3163664A1 (en
Inventor
Leif Jonas Samuelsson
Heiko Purnhagen
Original Assignee
Dolby International AB
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 Dolby International AB filed Critical Dolby International AB
Priority to CA3163664A priority Critical patent/CA3163664C/en
Publication of CA3163664A1 publication Critical patent/CA3163664A1/en
Application granted granted Critical
Publication of CA3163664C publication Critical patent/CA3163664C/en
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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS 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
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • 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
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Error Detection And Correction (AREA)
CA3163664A 2013-05-24 2014-05-23 AUDIO ENCODER AND DECODER Active CA3163664C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3163664A CA3163664C (en) 2013-05-24 2014-05-23 AUDIO ENCODER AND DECODER

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201361827264P 2013-05-24 2013-05-24
US61/827264 2013-05-24
CA3163664A CA3163664C (en) 2013-05-24 2014-05-23 AUDIO ENCODER AND DECODER
CA3077876A CA3077876C (en) 2013-05-24 2014-05-23 Audio encoder and decoder

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3077876A Division CA3077876C (en) 2013-05-24 2014-05-23 Audio encoder and decoder

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA3251568A Division CA3251568A1 (en) 2013-05-24 2014-05-23 Audio encoder and decoder

Publications (2)

Publication Number Publication Date
CA3163664A1 CA3163664A1 (en) 2014-11-27
CA3163664C true CA3163664C (en) 2025-07-08

Family

ID=50771514

Family Applications (5)

Application Number Title Priority Date Filing Date
CA3163664A Active CA3163664C (en) 2013-05-24 2014-05-23 AUDIO ENCODER AND DECODER
CA2911746A Active CA2911746C (en) 2013-05-24 2014-05-23 Audio encoder and decoder
CA3251568A Pending CA3251568A1 (en) 2013-05-24 2014-05-23 Audio encoder and decoder
CA2990261A Active CA2990261C (en) 2013-05-24 2014-05-23 Audio encoder and decoder
CA3077876A Active CA3077876C (en) 2013-05-24 2014-05-23 Audio encoder and decoder

Family Applications After (4)

Application Number Title Priority Date Filing Date
CA2911746A Active CA2911746C (en) 2013-05-24 2014-05-23 Audio encoder and decoder
CA3251568A Pending CA3251568A1 (en) 2013-05-24 2014-05-23 Audio encoder and decoder
CA2990261A Active CA2990261C (en) 2013-05-24 2014-05-23 Audio encoder and decoder
CA3077876A Active CA3077876C (en) 2013-05-24 2014-05-23 Audio encoder and decoder

Country Status (18)

Country Link
US (8) US9704493B2 (en:Method)
EP (5) EP3961622B1 (en:Method)
JP (7) JP6105159B2 (en:Method)
KR (10) KR102072777B1 (en:Method)
CN (2) CN105229729B (en:Method)
AU (1) AU2014270301B2 (en:Method)
BR (1) BR112015029031B1 (en:Method)
CA (5) CA3163664C (en:Method)
DK (1) DK3005350T3 (en:Method)
ES (3) ES2902518T3 (en:Method)
IL (1) IL242410B (en:Method)
MX (3) MX350117B (en:Method)
MY (2) MY173644A (en:Method)
PL (1) PL3005350T3 (en:Method)
RU (3) RU2676041C1 (en:Method)
SG (2) SG10201710019SA (en:Method)
UA (1) UA112833C2 (en:Method)
WO (1) WO2014187988A2 (en:Method)

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Also Published As

Publication number Publication date
MX2015015926A (es) 2016-04-06
CA3251568A1 (en) 2025-02-24
US9704493B2 (en) 2017-07-11
EP3961622A1 (en) 2022-03-02
US11024320B2 (en) 2021-06-01
RU2676041C1 (ru) 2018-12-25
ES2965423T3 (es) 2024-04-15
MX2020010038A (es) 2020-10-14
AU2014270301A1 (en) 2015-11-19
US20200411017A1 (en) 2020-12-31
IL242410B (en) 2018-11-29
RU2019141091A (ru) 2021-06-15
SG10201710019SA (en) 2018-01-30
KR102572382B1 (ko) 2023-09-01
CN110085238B (zh) 2023-06-02
CN110085238A (zh) 2019-08-02
CN105229729B (zh) 2019-03-19
JP2020016884A (ja) 2020-01-30
MY173644A (en) 2020-02-13
US20250356860A1 (en) 2025-11-20
US20170309279A1 (en) 2017-10-26
CA2990261A1 (en) 2014-11-27
KR20170087971A (ko) 2017-07-31
CA2911746A1 (en) 2014-11-27
KR102280461B1 (ko) 2021-07-22
PL3005350T3 (pl) 2017-09-29
RU2710909C1 (ru) 2020-01-14
SG11201509001YA (en) 2015-12-30
US10714104B2 (en) 2020-07-14
KR20210060660A (ko) 2021-05-26
KR101763131B1 (ko) 2017-07-31
EP4290510B1 (en) 2025-11-05
WO2014187988A2 (en) 2014-11-27
US20200013415A1 (en) 2020-01-09
CN105229729A (zh) 2016-01-06
CA2911746C (en) 2018-02-13
KR102459010B1 (ko) 2022-10-27
WO2014187988A3 (en) 2015-02-05
US20160111098A1 (en) 2016-04-21
JP6105159B2 (ja) 2017-03-29
KR20230129576A (ko) 2023-09-08
MX350117B (es) 2017-08-28
US12236961B2 (en) 2025-02-25
KR102384348B1 (ko) 2022-04-08
MY199032A (en) 2023-10-10
EP3605532B1 (en) 2021-09-29
BR112015029031B1 (pt) 2021-02-23
BR112015029031A2 (pt) 2017-07-25
KR20180099942A (ko) 2018-09-05
US20230282219A1 (en) 2023-09-07
EP3005350B1 (en) 2017-05-10
JP2016526186A (ja) 2016-09-01
RU2643489C2 (ru) 2018-02-01
EP3605532A1 (en) 2020-02-05
AU2014270301B2 (en) 2017-08-03
RU2015155311A (ru) 2017-06-30
ES2629025T3 (es) 2017-08-07
JP2017102484A (ja) 2017-06-08
JP7585379B2 (ja) 2024-11-18
KR20220148314A (ko) 2022-11-04
JP2021179627A (ja) 2021-11-18
JP6920382B2 (ja) 2021-08-18
US20210390963A1 (en) 2021-12-16
MX375380B (es) 2025-03-06
KR102072777B1 (ko) 2020-02-03
DK3005350T3 (en) 2017-07-17
JP2025100674A (ja) 2025-07-03
KR20200013091A (ko) 2020-02-05
US11594233B2 (en) 2023-02-28
JP7258086B2 (ja) 2023-04-14
KR20240151867A (ko) 2024-10-18
CA3077876C (en) 2022-08-09
US9940939B2 (en) 2018-04-10
CA2990261C (en) 2020-06-16
KR20220045259A (ko) 2022-04-12
KR102192245B1 (ko) 2020-12-17
KR20160013154A (ko) 2016-02-03
JP2025028867A (ja) 2025-03-05
CA3163664A1 (en) 2014-11-27
UA112833C2 (uk) 2016-10-25
EP3252757B1 (en) 2019-12-25
KR102715092B1 (ko) 2024-10-11
ES2902518T3 (es) 2022-03-28
KR20200145837A (ko) 2020-12-30
US20180240465A1 (en) 2018-08-23
US10418038B2 (en) 2019-09-17
JP2023076575A (ja) 2023-06-01
EP3252757A1 (en) 2017-12-06
EP4290510A3 (en) 2024-02-14
EP3005350A2 (en) 2016-04-13
CA3077876A1 (en) 2014-11-27
KR101895198B1 (ko) 2018-09-07
EP4290510A2 (en) 2023-12-13
JP6573640B2 (ja) 2019-09-11
HK1217246A1 (en) 2016-12-30
EP3961622B1 (en) 2023-11-01

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