CN105027199B - 在位流中指定球谐系数和/或高阶立体混响系数 - Google Patents

在位流中指定球谐系数和/或高阶立体混响系数 Download PDF

Info

Publication number
CN105027199B
CN105027199B CN201480011198.1A CN201480011198A CN105027199B CN 105027199 B CN105027199 B CN 105027199B CN 201480011198 A CN201480011198 A CN 201480011198A CN 105027199 B CN105027199 B CN 105027199B
Authority
CN
China
Prior art keywords
bitstream
spherical harmonic
harmonic coefficients
sound field
bits
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
CN201480011198.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN105027199A (zh
Inventor
D·森
M·J·莫雷尔
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN105027199A publication Critical patent/CN105027199A/zh
Application granted granted Critical
Publication of CN105027199B publication Critical patent/CN105027199B/zh
Expired - Fee Related 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
    • G10L19/008—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
    • G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
    • 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 
    • 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

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)
CN201480011198.1A 2013-03-01 2014-02-28 在位流中指定球谐系数和/或高阶立体混响系数 Expired - Fee Related CN105027199B (zh)

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
US14/192,819 2014-02-27
US14/192,819 US9959875B2 (en) 2013-03-01 2014-02-27 Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams
PCT/US2014/019446 WO2014134462A2 (en) 2013-03-01 2014-02-28 Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams

Publications (2)

Publication Number Publication Date
CN105027199A CN105027199A (zh) 2015-11-04
CN105027199B true CN105027199B (zh) 2018-05-29

Family

ID=51420957

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201480011198.1A Expired - Fee Related CN105027199B (zh) 2013-03-01 2014-02-28 在位流中指定球谐系数和/或高阶立体混响系数
CN201480011287.6A Expired - Fee Related CN105027200B (zh) 2013-03-01 2014-02-28 变换球谐系数

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201480011287.6A Expired - Fee Related CN105027200B (zh) 2013-03-01 2014-02-28 变换球谐系数

Country Status (10)

Country Link
US (2) US9685163B2 (enExample)
EP (2) EP2962297B1 (enExample)
JP (2) JP2016510905A (enExample)
KR (2) KR20150123310A (enExample)
CN (2) CN105027199B (enExample)
BR (1) BR112015020892A2 (enExample)
ES (1) ES2738490T3 (enExample)
HU (1) HUE045446T2 (enExample)
TW (2) TWI603631B (enExample)
WO (2) WO2014134462A2 (enExample)

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
US9384741B2 (en) * 2013-05-29 2016-07-05 Qualcomm Incorporated Binauralization of rotated higher order ambisonics
US9502044B2 (en) * 2013-05-29 2016-11-22 Qualcomm Incorporated Compression of decomposed representations of a sound field
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
US9489955B2 (en) 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
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
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
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
MX392462B (es) 2015-10-08 2025-03-24 Dolby Int Ab Codificacion en capas para representaciones de sonido o campo de sonido comprimidas
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
WO2019009085A1 (ja) * 2017-07-05 2019-01-10 ソニー株式会社 信号処理装置および方法、並びにプログラム
CN111149155B (zh) 2017-07-14 2023-10-10 弗劳恩霍夫应用研究促进协会 使用多点声场描述生成经增强的声场描述的装置及方法
AR112504A1 (es) 2017-07-14 2019-11-06 Fraunhofer Ges Forschung Concepto para generar una descripción mejorada de campo de sonido o un campo de sonido modificado utilizando una descripción multi-capa
WO2019012135A1 (en) 2017-07-14 2019-01-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. CONCEPT FOR GENERATING AN ENHANCED AUDIO FIELD DESCRIPTION OR A MODIFIED SOUND FIELD DESCRIPTION USING DIRAC TECHNIQUE EXTENDED IN DEPTH OR OTHER TECHNIQUES
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
EP3782152A2 (en) 2018-04-16 2021-02-24 Dolby Laboratories Licensing Corporation Methods, apparatus and systems for encoding and decoding of directional sound sources
CA3091241A1 (en) * 2018-07-02 2020-01-09 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
US12142285B2 (en) 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
US12308034B2 (en) * 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
US11043742B2 (en) 2019-07-31 2021-06-22 At&T Intellectual Property I, L.P. Phased array mobile channel sounding system
WO2021091769A1 (en) * 2019-11-04 2021-05-14 Qualcomm Incorporated Signalling of audio effect metadata in a bitstream
DE112021005087T5 (de) * 2020-09-25 2023-08-10 Apple Inc. Kodierung und dekodierung für higher-order-ambisonics
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1942931A (zh) * 2004-04-21 2007-04-04 杜比实验室特许公司 通过树型分层数据结构的有序横向结构描述比特流语法的音频比特流格式
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data

Family Cites Families (24)

* 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
WO2001082651A1 (en) 2000-04-19 2001-11-01 Sonic Solutions 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
US20060247918A1 (en) 2005-04-29 2006-11-02 Microsoft Corporation Systems and methods for 3D audio programming and processing
FR2898725A1 (fr) * 2006-03-15 2007-09-21 France Telecom Dispositif et procede de codage gradue d'un signal audio multi-canal selon une analyse en composante principale
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
KR101388901B1 (ko) * 2009-06-24 2014-04-24 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 신호 디코더, 오디오 신호를 디코딩하는 방법 및 캐스케이드된 오디오 객체 처리 단계들을 이용한 컴퓨터 프로그램
US9493834B2 (en) * 2009-07-29 2016-11-15 Pharnext Method for detecting a panel of biomarkers
EP2539892B1 (fr) 2010-02-26 2014-04-02 Orange Compression de flux audio multicanal
US9552840B2 (en) * 2010-10-25 2017-01-24 Qualcomm Incorporated Three-dimensional sound capturing and reproducing with multi-microphones
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
CA2837893C (en) * 2011-07-01 2017-08-29 Dolby Laboratories Licensing Corporation System and method for adaptive audio signal generation, coding and rendering
JP5926377B2 (ja) * 2011-07-01 2016-05-25 ドルビー ラボラトリーズ ライセンシング コーポレイション サンプルレートスケーラブル可逆オーディオコーディング
US9460729B2 (en) 2012-09-21 2016-10-04 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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1942931A (zh) * 2004-04-21 2007-04-04 杜比实验室特许公司 通过树型分层数据结构的有序横向结构描述比特流语法的音频比特流格式
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
CN103250207A (zh) * 2010-11-05 2013-08-14 汤姆逊许可公司 高阶高保真度立体声响复制音频数据的数据结构

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Multichannel Audio Coding Based on Minimum Audible Angles";ADRIEN DANIEL ET AL;《PROCEEDINGS OF 40TH INTERNATIONAL CONFERENCE:SPATIAL AUDIO:SENSE THE SOUND OF SPACE》;20100101;第9页第12,14节 *

Also Published As

Publication number Publication date
JP2016510905A (ja) 2016-04-11
ES2738490T3 (es) 2020-01-23
WO2014134462A3 (en) 2014-11-13
KR101854964B1 (ko) 2018-05-04
TW201446016A (zh) 2014-12-01
CN105027200B (zh) 2019-04-09
TWI603631B (zh) 2017-10-21
TW201503712A (zh) 2015-01-16
JP2016513811A (ja) 2016-05-16
HUE045446T2 (hu) 2019-12-30
WO2014134472A2 (en) 2014-09-04
US20140249827A1 (en) 2014-09-04
TWI583210B (zh) 2017-05-11
WO2014134462A2 (en) 2014-09-04
EP2962297A2 (en) 2016-01-06
KR20150123311A (ko) 2015-11-03
EP2962298A2 (en) 2016-01-06
US9685163B2 (en) 2017-06-20
BR112015020892A2 (pt) 2017-07-18
US9959875B2 (en) 2018-05-01
KR20150123310A (ko) 2015-11-03
WO2014134472A3 (en) 2015-03-19
EP2962298B1 (en) 2019-04-24
US20140247946A1 (en) 2014-09-04
CN105027200A (zh) 2015-11-04
EP2962297B1 (en) 2019-06-05
CN105027199A (zh) 2015-11-04

Similar Documents

Publication Publication Date Title
CN105027200B (zh) 变换球谐系数
US20220030372A1 (en) Reordering Of Audio Objects In The Ambisonics Domain
US9384741B2 (en) Binauralization of rotated higher order ambisonics
US20150127354A1 (en) Near field compensation for decomposed representations of a sound field
EP3204942A1 (en) Signaling channels for scalable coding of higher order ambisonic audio data

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180529