KR102077412B1 - 다중 트랜지션들 동안 고차 앰비소닉 계수들의 코딩 - Google Patents

다중 트랜지션들 동안 고차 앰비소닉 계수들의 코딩 Download PDF

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KR102077412B1
KR102077412B1 KR1020187009995A KR20187009995A KR102077412B1 KR 102077412 B1 KR102077412 B1 KR 102077412B1 KR 1020187009995 A KR1020187009995 A KR 1020187009995A KR 20187009995 A KR20187009995 A KR 20187009995A KR 102077412 B1 KR102077412 B1 KR 102077412B1
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KR20180068974A (ko
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닐스 귄터 페터스
디판잔 센
무영 김
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퀄컴 인코포레이티드
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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
    • G10L19/008—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
    • G10L19/04—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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
    • 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
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020187009995A 2015-10-14 2016-10-12 다중 트랜지션들 동안 고차 앰비소닉 계수들의 코딩 Expired - Fee Related KR102077412B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562241665P 2015-10-14 2015-10-14
US62/241,665 2015-10-14
US15/290,229 US9959880B2 (en) 2015-10-14 2016-10-11 Coding higher-order ambisonic coefficients during multiple transitions
US15/290,229 2016-10-11
PCT/US2016/056625 WO2017066312A1 (en) 2015-10-14 2016-10-12 Coding higher-order ambisonic coefficients during multiple transitions

Publications (2)

Publication Number Publication Date
KR20180068974A KR20180068974A (ko) 2018-06-22
KR102077412B1 true KR102077412B1 (ko) 2020-02-13

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KR1020187009995A Expired - Fee Related KR102077412B1 (ko) 2015-10-14 2016-10-12 다중 트랜지션들 동안 고차 앰비소닉 계수들의 코딩

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US (1) US9959880B2 (enExample)
EP (1) EP3363213B1 (enExample)
JP (1) JP6605725B2 (enExample)
KR (1) KR102077412B1 (enExample)
CN (1) CN108141690B (enExample)
CA (1) CA2999289C (enExample)
WO (1) WO2017066312A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9959880B2 (en) * 2015-10-14 2018-05-01 Qualcomm Incorporated Coding higher-order ambisonic coefficients during multiple transitions
EP4513483A1 (en) 2018-04-11 2025-02-26 Dolby International AB Methods, apparatus and systems for 6dof audio rendering and data representations and bitstream structures for 6dof audio rendering
GB2582748A (en) * 2019-03-27 2020-10-07 Nokia Technologies Oy Sound field related rendering
WO2020253941A1 (en) 2019-06-17 2020-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs
US12308034B2 (en) * 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
US12142285B2 (en) 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
US20240129681A1 (en) * 2022-10-12 2024-04-18 Qualcomm Incorporated Scaling audio sources in extended reality systems

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150213809A1 (en) 2014-01-30 2015-07-30 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
US20150213803A1 (en) 2014-01-30 2015-07-30 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2733878T3 (es) 2008-12-15 2019-12-03 Orange Codificación mejorada de señales de audio digitales multicanales
EP2469741A1 (en) * 2010-12-21 2012-06-27 Thomson Licensing Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US9082198B2 (en) * 2012-10-19 2015-07-14 Qualcomm Technologies, Inc. Method for creating automatic cinemagraphs on an imagine device
US9769586B2 (en) 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
US9959880B2 (en) * 2015-10-14 2018-05-01 Qualcomm Incorporated Coding higher-order ambisonic coefficients during multiple transitions

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150213809A1 (en) 2014-01-30 2015-07-30 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
US20150213803A1 (en) 2014-01-30 2015-07-30 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients

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Publication number Publication date
WO2017066312A1 (en) 2017-04-20
CA2999289C (en) 2021-10-19
CN108141690A (zh) 2018-06-08
US20170110140A1 (en) 2017-04-20
KR20180068974A (ko) 2018-06-22
JP2018534617A (ja) 2018-11-22
US9959880B2 (en) 2018-05-01
CN108141690B (zh) 2021-03-02
CA2999289A1 (en) 2017-04-20
EP3363213A1 (en) 2018-08-22
JP6605725B2 (ja) 2019-11-13
EP3363213B1 (en) 2021-09-29
BR112018007574A2 (pt) 2018-10-23

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