ES2738490T3 - Especificación de coeficientes ambisónicos de orden superior y/o armónicos esféricos en flujos de bits - Google Patents

Especificación de coeficientes ambisónicos de orden superior y/o armónicos esféricos en flujos de bits Download PDF

Info

Publication number
ES2738490T3
ES2738490T3 ES14713289T ES14713289T ES2738490T3 ES 2738490 T3 ES2738490 T3 ES 2738490T3 ES 14713289 T ES14713289 T ES 14713289T ES 14713289 T ES14713289 T ES 14713289T ES 2738490 T3 ES2738490 T3 ES 2738490T3
Authority
ES
Spain
Prior art keywords
bit stream
spherical harmonic
sound field
harmonic coefficients
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.)
Active
Application number
ES14713289T
Other languages
English (en)
Spanish (es)
Inventor
Dipanjan Sen
Martin James Morrell
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
Application granted granted Critical
Publication of ES2738490T3 publication Critical patent/ES2738490T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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)
ES14713289T 2013-03-01 2014-02-28 Especificación de coeficientes ambisónicos de orden superior y/o armónicos esféricos en flujos de bits Active ES2738490T3 (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201361771677P 2013-03-01 2013-03-01
US201361860201P 2013-07-30 2013-07-30
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 (1)

Publication Number Publication Date
ES2738490T3 true ES2738490T3 (es) 2020-01-23

Family

ID=51420957

Family Applications (1)

Application Number Title Priority Date Filing Date
ES14713289T Active ES2738490T3 (es) 2013-03-01 2014-02-28 Especificación de coeficientes ambisónicos de orden superior y/o armónicos esféricos en flujos de bits

Country Status (10)

Country Link
US (2) US9685163B2 (cg-RX-API-DMAC7.html)
EP (2) EP2962297B1 (cg-RX-API-DMAC7.html)
JP (2) JP2016510905A (cg-RX-API-DMAC7.html)
KR (2) KR101854964B1 (cg-RX-API-DMAC7.html)
CN (2) CN105027200B (cg-RX-API-DMAC7.html)
BR (1) BR112015020892A2 (cg-RX-API-DMAC7.html)
ES (1) ES2738490T3 (cg-RX-API-DMAC7.html)
HU (1) HUE045446T2 (cg-RX-API-DMAC7.html)
TW (2) TWI603631B (cg-RX-API-DMAC7.html)
WO (2) WO2014134462A2 (cg-RX-API-DMAC7.html)

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
US9854377B2 (en) 2013-05-29 2017-12-26 Qualcomm Incorporated Interpolation for decomposed representations of a sound field
US9384741B2 (en) * 2013-05-29 2016-07-05 Qualcomm Incorporated Binauralization of rotated higher order ambisonics
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
EP3503096B1 (en) * 2013-06-05 2021-08-04 Dolby International AB Apparatus for decoding audio signals and method 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
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
MX2016005809A (es) * 2014-09-12 2016-08-01 Sony Corp Dispositivo de transmision, metodo de transmision, dispositivo de recepcion y metodo de recepcion.
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
RU2708942C2 (ru) * 2014-10-24 2019-12-12 Долби Интернешнл Аб Кодирование и декодирование аудиосигналов
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
BR112020000775A2 (pt) 2017-07-14 2020-07-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. aparelho para gerar uma descrição do campo sonoro, programa de computador, descrição do campo sonoro aprimorada e seu método de geração
KR102568365B1 (ko) 2017-07-14 2023-08-18 프라운 호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 깊이-확장형 DirAC 기술 또는 기타 기술을 이용하여 증강된 음장 묘사 또는 수정된 음장 묘사를 생성하기 위한 개념
KR102652670B1 (ko) 2017-07-14 2024-04-01 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중-층 묘사를 이용하여 증강된 음장 묘사 또는 수정된 음장 묘사를 생성하기 위한 개념
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
CN119649827A (zh) 2018-04-16 2025-03-18 杜比实验室特许公司 用于定向声源的编码及解码的方法、设备及系统
JP7575947B2 (ja) * 2018-07-02 2024-10-30 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 没入的オーディオ信号を含むビットストリームを生成するための方法および装置
EP3818730A4 (en) * 2018-07-03 2022-08-31 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
US12177644B2 (en) 2019-11-04 2024-12-24 Qualcomm Incorporated Signalling of audio effect metadata in a bitstream
GB2615236A (en) * 2020-09-25 2023-08-02 Apple Inc Higher order ambisonics encoding and decoding
WO2022096376A2 (en) * 2020-11-03 2022-05-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for audio signal transformation
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

Family Cites Families (26)

* 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
US20070208571A1 (en) * 2004-04-21 2007-09-06 Pierre-Anthony Stivell Lemieux 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
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
SG177277A1 (en) * 2009-06-24 2012-02-28 Fraunhofer Ges Forschung Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages
EP2459742B1 (en) * 2009-07-29 2016-04-06 Pharnext New diagnostic tools for alzheimer disease
US9058803B2 (en) 2010-02-26 2015-06-16 Orange Multichannel audio stream compression
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
US20140214431A1 (en) * 2011-07-01 2014-07-31 Dolby Laboratories Licensing Corporation Sample rate scalable lossless audio coding
CA2837893C (en) * 2011-07-01 2017-08-29 Dolby Laboratories Licensing Corporation System and method for adaptive audio signal generation, coding and rendering
WO2014046916A1 (en) 2012-09-21 2014-03-27 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

Also Published As

Publication number Publication date
JP2016510905A (ja) 2016-04-11
JP2016513811A (ja) 2016-05-16
WO2014134472A2 (en) 2014-09-04
EP2962297A2 (en) 2016-01-06
HUE045446T2 (hu) 2019-12-30
WO2014134462A3 (en) 2014-11-13
BR112015020892A2 (pt) 2017-07-18
US20140249827A1 (en) 2014-09-04
TW201503712A (zh) 2015-01-16
KR20150123311A (ko) 2015-11-03
KR20150123310A (ko) 2015-11-03
US20140247946A1 (en) 2014-09-04
TWI603631B (zh) 2017-10-21
WO2014134472A3 (en) 2015-03-19
EP2962298A2 (en) 2016-01-06
TW201446016A (zh) 2014-12-01
CN105027200A (zh) 2015-11-04
WO2014134462A2 (en) 2014-09-04
CN105027199B (zh) 2018-05-29
EP2962297B1 (en) 2019-06-05
CN105027199A (zh) 2015-11-04
TWI583210B (zh) 2017-05-11
US9685163B2 (en) 2017-06-20
CN105027200B (zh) 2019-04-09
US9959875B2 (en) 2018-05-01
EP2962298B1 (en) 2019-04-24
KR101854964B1 (ko) 2018-05-04

Similar Documents

Publication Publication Date Title
ES2738490T3 (es) Especificación de coeficientes ambisónicos de orden superior y/o armónicos esféricos en flujos de bits
ES2729624T3 (es) Reducción de la correlación entre canales de fondo ambisónicos de orden superior (HOA)
ES2689566T3 (es) Compresión de las representaciones descompuestas de un campo sonoro
ES2733878T3 (es) Codificación mejorada de señales de audio digitales multicanales
US9384741B2 (en) Binauralization of rotated higher order ambisonics
ES2922451T3 (es) Indicación de la reusabilidad de parámetros de un marco para la codificación de vectores
ES2714356T3 (es) Reconstrucción de vectores descompuestos a partir de señales de audio ambisónicas de orden superior
CN114582356B (zh) 一种音频编解码方法和装置
ES2841419T3 (es) Canales de señalización para codificación escalable de datos de audio ambisónico de orden superior
ES2714275T3 (es) Determinación entre cuantificación escalar y vectorial en coeficientes ambisónicos de orden superior
ES2774449T3 (es) Adaptación relacionada con pantalla de contenido de HOA
KR20160012215A (ko) 구면 조화 계수들에 대한 공간 마스킹의 수행
WO2015175998A1 (en) Spatial relation coding for higher order ambisonic coefficients
ES2699657T3 (es) Obtención de información de dispersión para renderizadores de audio ambisónicos de orden superior