KR101854964B1 - 구면 조화 계수들의 변환 - Google Patents

구면 조화 계수들의 변환 Download PDF

Info

Publication number
KR101854964B1
KR101854964B1 KR1020157026860A KR20157026860A KR101854964B1 KR 101854964 B1 KR101854964 B1 KR 101854964B1 KR 1020157026860 A KR1020157026860 A KR 1020157026860A KR 20157026860 A KR20157026860 A KR 20157026860A KR 101854964 B1 KR101854964 B1 KR 101854964B1
Authority
KR
South Korea
Prior art keywords
sound field
bitstream
hierarchical elements
describing
information
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.)
Expired - Fee Related
Application number
KR1020157026860A
Other languages
English (en)
Korean (ko)
Other versions
KR20150123311A (ko
Inventor
디판잔 센
마틴 제임스 모렐
닐스 귄터 페테르스
Original Assignee
퀄컴 인코포레이티드
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 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20150123311A publication Critical patent/KR20150123311A/ko
Application granted granted Critical
Publication of KR101854964B1 publication Critical patent/KR101854964B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/018Audio watermarking, i.e. embedding inaudible data in the audio signal
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11Application 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)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
KR1020157026860A 2013-03-01 2014-02-28 구면 조화 계수들의 변환 Expired - Fee Related KR101854964B1 (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361771677P 2013-03-01 2013-03-01
US61/771,677 2013-03-01
US201361860201P 2013-07-30 2013-07-30
US61/860,201 2013-07-30
US14/192,829 2014-02-27
US14/192,829 US9685163B2 (en) 2013-03-01 2014-02-27 Transforming spherical harmonic coefficients
PCT/US2014/019468 WO2014134472A2 (en) 2013-03-01 2014-02-28 Transforming spherical harmonic coefficients

Publications (2)

Publication Number Publication Date
KR20150123311A KR20150123311A (ko) 2015-11-03
KR101854964B1 true KR101854964B1 (ko) 2018-05-04

Family

ID=51420957

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020157026860A Expired - Fee Related KR101854964B1 (ko) 2013-03-01 2014-02-28 구면 조화 계수들의 변환
KR1020157026859A Ceased KR20150123310A (ko) 2013-03-01 2014-02-28 비트스트림들에서의 구면 조화 및/또는 고차 앰비소닉 계수들의 특정

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020157026859A Ceased KR20150123310A (ko) 2013-03-01 2014-02-28 비트스트림들에서의 구면 조화 및/또는 고차 앰비소닉 계수들의 특정

Country Status (10)

Country Link
US (2) US9685163B2 (https=)
EP (2) EP2962298B1 (https=)
JP (2) JP2016510905A (https=)
KR (2) KR101854964B1 (https=)
CN (2) CN105027200B (https=)
BR (1) BR112015020892A2 (https=)
ES (1) ES2738490T3 (https=)
HU (1) HUE045446T2 (https=)
TW (2) TWI583210B (https=)
WO (2) WO2014134462A2 (https=)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2665208A1 (en) 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US9685163B2 (en) 2013-03-01 2017-06-20 Qualcomm Incorporated Transforming spherical harmonic coefficients
US9412385B2 (en) * 2013-05-28 2016-08-09 Qualcomm Incorporated Performing spatial masking with respect to spherical harmonic coefficients
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9495968B2 (en) 2013-05-29 2016-11-15 Qualcomm Incorporated Identifying sources from which higher order ambisonic audio data is generated
US9384741B2 (en) * 2013-05-29 2016-07-05 Qualcomm Incorporated Binauralization of rotated higher order ambisonics
WO2014195190A1 (en) * 2013-06-05 2014-12-11 Thomson Licensing Method for encoding audio signals, apparatus for encoding audio signals, method for decoding audio signals and apparatus for decoding audio signals
EP2879408A1 (en) * 2013-11-28 2015-06-03 Thomson Licensing Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
US9502045B2 (en) 2014-01-30 2016-11-22 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
KR102643537B1 (ko) * 2014-09-12 2024-03-06 소니그룹주식회사 송신 장치, 송신 방법, 수신 장치 및 수신 방법
US9747910B2 (en) 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
US10304471B2 (en) * 2014-10-24 2019-05-28 Dolby International Ab Encoding and decoding of audio signals
US10452651B1 (en) 2014-12-23 2019-10-22 Palantir Technologies Inc. Searching charts
CN104795064B (zh) * 2015-03-30 2018-04-13 福州大学 低信噪比声场景下声音事件的识别方法
US10706860B2 (en) 2015-10-08 2020-07-07 Dolby International Ab Layered coding for compressed sound or sound field representations
FR3050601B1 (fr) * 2016-04-26 2018-06-22 Arkamys Procede et systeme de diffusion d'un signal audio a 360°
MC200186B1 (fr) * 2016-09-30 2017-10-18 Coronal Encoding Procédé de conversion, d'encodage stéréophonique, de décodage et de transcodage d'un signal audio tridimensionnel
JP7115477B2 (ja) * 2017-07-05 2022-08-09 ソニーグループ株式会社 信号処理装置および方法、並びにプログラム
CN117319917A (zh) 2017-07-14 2023-12-29 弗劳恩霍夫应用研究促进协会 使用多点声场描述生成经修改的声场描述的装置及方法
KR102540642B1 (ko) 2017-07-14 2023-06-08 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중-층 묘사를 이용하여 증강된 음장 묘사 또는 수정된 음장 묘사를 생성하기 위한 개념
RU2736274C1 (ru) 2017-07-14 2020-11-13 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Принцип формирования улучшенного описания звукового поля или модифицированного описания звукового поля с использованием dirac-технологии с расширением глубины или других технологий
US10075802B1 (en) 2017-08-08 2018-09-11 Qualcomm Incorporated Bitrate allocation for higher order ambisonic audio data
US11281726B2 (en) 2017-12-01 2022-03-22 Palantir Technologies Inc. System and methods for faster processor comparisons of visual graph features
US10419138B2 (en) 2017-12-22 2019-09-17 At&T Intellectual Property I, L.P. Radio-based channel sounding using phased array antennas
GB2572650A (en) * 2018-04-06 2019-10-09 Nokia Technologies Oy Spatial audio parameters and associated spatial audio playback
WO2019204214A2 (en) 2018-04-16 2019-10-24 Dolby Laboratories Licensing Corporation Methods, apparatus and systems for encoding and decoding of directional sound sources
EP3818524B1 (en) * 2018-07-02 2023-12-13 Dolby Laboratories Licensing Corporation Methods and devices for generating or decoding a bitstream comprising immersive audio signals
WO2020008112A1 (en) * 2018-07-03 2020-01-09 Nokia Technologies Oy Energy-ratio signalling and synthesis
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
US11043742B2 (en) 2019-07-31 2021-06-22 At&T Intellectual Property I, L.P. Phased array mobile channel sounding system
EP4055840A1 (en) 2019-11-04 2022-09-14 Qualcomm Incorporated Signalling of audio effect metadata in a bitstream
CN116391365A (zh) * 2020-09-25 2023-07-04 苹果公司 高阶环境立体声编码和解码
CN116868588A (zh) * 2020-11-03 2023-10-10 弗劳恩霍夫应用研究促进协会 用于音频信号变换的装置和方法
EP4174637A1 (en) * 2021-10-26 2023-05-03 Koninklijke Philips N.V. Bitstream representing audio in an environment
US20250078845A1 (en) * 2023-08-29 2025-03-06 Samsung Electronics Co., Ltd. Lossless audio coding for multichannel hierarchical reconstruction

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090083045A1 (en) * 2006-03-15 2009-03-26 Manuel Briand Device and Method for Graduated Encoding of a Multichannel Audio Signal Based on a Principal Component Analysis

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594800A (en) 1991-02-15 1997-01-14 Trifield Productions Limited Sound reproduction system having a matrix converter
GB9103207D0 (en) 1991-02-15 1991-04-03 Gerzon Michael A Stereophonic sound reproduction system
AUPO099696A0 (en) 1996-07-12 1996-08-08 Lake Dsp Pty Limited Methods and apparatus for processing spatialised audio
US6021206A (en) 1996-10-02 2000-02-01 Lake Dsp Pty Ltd Methods and apparatus for processing spatialised audio
JPH1118199A (ja) 1997-06-26 1999-01-22 Nippon Columbia Co Ltd 音響処理装置
EP1275272B1 (en) 2000-04-19 2012-11-21 SNK Tech Investment L.L.C. Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions
FR2847376B1 (fr) * 2002-11-19 2005-02-04 France Telecom Procede de traitement de donnees sonores et dispositif d'acquisition sonore mettant en oeuvre ce procede
US7167176B2 (en) 2003-08-15 2007-01-23 Microsoft Corporation Clustered principal components for precomputed radiance transfer
AU2005241905A1 (en) * 2004-04-21 2005-11-17 Dolby Laboratories Licensing Corporation Audio bitstream format in which the bitstream syntax is described by an ordered transversal of a tree hierarchy data structure
US20060247918A1 (en) 2005-04-29 2006-11-02 Microsoft Corporation Systems and methods for 3D audio programming and processing
US7589725B2 (en) 2006-06-30 2009-09-15 Microsoft Corporation Soft shadows in dynamic scenes
FR2916079A1 (fr) * 2007-05-10 2008-11-14 France Telecom Procede de codage et decodage audio, codeur audio, decodeur audio et programmes d'ordinateur associes
MX2011013829A (es) * 2009-06-24 2012-03-07 Fraunhofer Ges Forschung Decodificador de señales de audio, metodo para decodificar una señal de audio y programa de computacion que utiliza etapas en cascada de procesamiento de objetos de audio.
US9493834B2 (en) * 2009-07-29 2016-11-15 Pharnext Method for detecting a panel of biomarkers
WO2011104463A1 (fr) 2010-02-26 2011-09-01 France Telecom Compression de flux audio multicanal
US9552840B2 (en) * 2010-10-25 2017-01-24 Qualcomm Incorporated Three-dimensional sound capturing and reproducing with multi-microphones
EP2450880A1 (en) 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
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
CN102333265B (zh) 2011-05-20 2014-02-19 南京大学 一种基于连续声源概念的三维局部空间声场重放方法
EP2541547A1 (en) 2011-06-30 2013-01-02 Thomson Licensing Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation
KR102185941B1 (ko) * 2011-07-01 2020-12-03 돌비 레버러토리즈 라이쎈싱 코오포레이션 적응형 오디오 신호 생성, 코딩 및 렌더링을 위한 시스템 및 방법
US20140214431A1 (en) * 2011-07-01 2014-07-31 Dolby Laboratories Licensing Corporation Sample rate scalable lossless audio coding
EP2898506B1 (en) 2012-09-21 2018-01-17 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
EP2743922A1 (en) 2012-12-12 2014-06-18 Thomson Licensing Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
US9685163B2 (en) 2013-03-01 2017-06-20 Qualcomm Incorporated Transforming spherical harmonic coefficients

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090083045A1 (en) * 2006-03-15 2009-03-26 Manuel Briand Device and Method for Graduated Encoding of a Multichannel Audio Signal Based on a Principal Component Analysis

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Robert E. Davis, et al. A Simple and Efficient Method for Real-Time Computation and Transformation of Spherical Harmonic based Sound Fields. Audio Engineering Society. 2012.10.29.*

Also Published As

Publication number Publication date
JP2016510905A (ja) 2016-04-11
EP2962297A2 (en) 2016-01-06
WO2014134472A2 (en) 2014-09-04
BR112015020892A2 (pt) 2017-07-18
TWI583210B (zh) 2017-05-11
KR20150123311A (ko) 2015-11-03
EP2962298B1 (en) 2019-04-24
WO2014134462A2 (en) 2014-09-04
TWI603631B (zh) 2017-10-21
CN105027200B (zh) 2019-04-09
ES2738490T3 (es) 2020-01-23
US9685163B2 (en) 2017-06-20
TW201446016A (zh) 2014-12-01
WO2014134472A3 (en) 2015-03-19
CN105027199B (zh) 2018-05-29
US9959875B2 (en) 2018-05-01
US20140247946A1 (en) 2014-09-04
US20140249827A1 (en) 2014-09-04
JP2016513811A (ja) 2016-05-16
KR20150123310A (ko) 2015-11-03
HUE045446T2 (hu) 2019-12-30
TW201503712A (zh) 2015-01-16
EP2962297B1 (en) 2019-06-05
CN105027199A (zh) 2015-11-04
WO2014134462A3 (en) 2014-11-13
EP2962298A2 (en) 2016-01-06
CN105027200A (zh) 2015-11-04

Similar Documents

Publication Publication Date Title
KR101854964B1 (ko) 구면 조화 계수들의 변환
KR101723332B1 (ko) 회전된 고차 앰비소닉스의 바이노럴화
US20220030372A1 (en) Reordering Of Audio Objects In The Ambisonics Domain
AU2015284004B2 (en) Reducing correlation between higher order ambisonic (hoa) background channels
US20150127354A1 (en) Near field compensation for decomposed representations of a sound field
EP3204941A1 (en) Signaling layers for scalable coding of higher order ambisonic audio data
WO2015175998A1 (en) Spatial relation coding for higher order ambisonic coefficients
WO2016057926A1 (en) Signaling channels for scalable coding of higher order ambisonic audio data

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
A302 Request for accelerated examination
E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PA0302 Request for accelerated examination

St.27 status event code: A-1-2-D10-D17-exm-PA0302

St.27 status event code: A-1-2-D10-D16-exm-PA0302

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

P22-X000 Classification modified

St.27 status event code: A-2-2-P10-P22-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20240428

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20240428