CA2900743C - Audio encoder and decoder for hybrid coding - Google Patents

Audio encoder and decoder for hybrid coding Download PDF

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Publication number
CA2900743C
CA2900743C CA2900743A CA2900743A CA2900743C CA 2900743 C CA2900743 C CA 2900743C CA 2900743 A CA2900743 A CA 2900743A CA 2900743 A CA2900743 A CA 2900743A CA 2900743 C CA2900743 C CA 2900743C
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signals
waveform
frequency
cross
coded
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French (fr)
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CA2900743A1 (en
Inventor
Kristofer Kjoerling
Heiko Purnhagen
Harald Mundt
Karl Jonas Roeden
Leif Sehlstrom
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Dolby International AB
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Dolby International AB
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    • 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
    • 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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Error Detection And Correction (AREA)
CA2900743A 2013-04-05 2014-04-04 Audio encoder and decoder for hybrid coding Active CA2900743C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361808680P 2013-04-05 2013-04-05
US61/808,680 2013-04-05
PCT/EP2014/056852 WO2014161992A1 (en) 2013-04-05 2014-04-04 Audio encoder and decoder

Publications (2)

Publication Number Publication Date
CA2900743A1 CA2900743A1 (en) 2014-10-09
CA2900743C true CA2900743C (en) 2016-08-16

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CA2900743A Active CA2900743C (en) 2013-04-05 2014-04-04 Audio encoder and decoder for hybrid coding

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US (7) US9489957B2 (https=)
EP (3) EP3627506B1 (https=)
JP (8) JP6031201B2 (https=)
KR (7) KR102094129B1 (https=)
CN (2) CN105308680B (https=)
AU (1) AU2014247001B2 (https=)
BR (7) BR112015019711B1 (https=)
CA (1) CA2900743C (https=)
DK (1) DK2954519T3 (https=)
ES (2) ES2748939T3 (https=)
HU (1) HUE031660T2 (https=)
IL (1) IL240117A0 (https=)
MX (4) MX391551B (https=)
MY (4) MY204463A (https=)
PL (1) PL2954519T3 (https=)
RU (2) RU2641265C1 (https=)
SG (1) SG11201506139YA (https=)
TW (1) TWI546799B (https=)
UA (1) UA113117C2 (https=)
WO (1) WO2014161992A1 (https=)

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JP2021047450A (ja) 2021-03-25
CA2900743A1 (en) 2014-10-09
KR20200033988A (ko) 2020-03-30
PL2954519T3 (pl) 2017-06-30
US20160012825A1 (en) 2016-01-14
MY196084A (en) 2023-03-14
IL240117A0 (en) 2015-09-24
US20220059110A1 (en) 2022-02-24
US11830510B2 (en) 2023-11-28
JP2022068353A (ja) 2022-05-09
WO2014161992A1 (en) 2014-10-09
BR122022004787A2 (https=) 2017-07-18
MX2015011145A (es) 2016-01-12
KR102094129B1 (ko) 2020-03-30
KR20220044609A (ko) 2022-04-08
BR122022004786A2 (https=) 2017-07-18
MX391551B (es) 2025-03-21
EP2954519B1 (en) 2017-02-01
BR122022004787A8 (pt) 2022-09-06
US9728199B2 (en) 2017-08-08
CN109410966B (zh) 2023-08-29
JP7033182B2 (ja) 2022-03-09
BR122022004784B8 (pt) 2022-09-13
KR101763129B1 (ko) 2017-07-31
US20170301362A1 (en) 2017-10-19
MX369023B (es) 2019-10-25
US9489957B2 (en) 2016-11-08
BR122017006819A2 (pt) 2019-09-03
DK2954519T3 (en) 2017-03-20
HK1213080A1 (en) 2016-06-24
JP6031201B2 (ja) 2016-11-24
JP6808781B2 (ja) 2021-01-06
AU2014247001B2 (en) 2015-08-27
BR122021004537B1 (pt) 2022-03-22
JP2018185536A (ja) 2018-11-22
MX2019012711A (es) 2019-12-16
US20160343383A1 (en) 2016-11-24
US20240153517A1 (en) 2024-05-09
MX2022004397A (es) 2022-06-16
ES2748939T3 (es) 2020-03-18
KR20150113976A (ko) 2015-10-08
MY185848A (en) 2021-06-14
CN109410966A (zh) 2019-03-01
EP3171361B1 (en) 2019-07-24
US10438602B2 (en) 2019-10-08
RU2602988C1 (ru) 2016-11-20
JP2016513287A (ja) 2016-05-12
EP3627506A1 (en) 2020-03-25
KR20200096328A (ko) 2020-08-11
BR122022004787B1 (pt) 2022-10-18
JP2019191596A (ja) 2019-10-31
JP7778768B2 (ja) 2025-12-02
EP3627506B1 (en) 2024-09-18
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