TW201509200A - 用於音場之分解表示之能量保留 - Google Patents

用於音場之分解表示之能量保留 Download PDF

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Publication number
TW201509200A
TW201509200A TW103118931A TW103118931A TW201509200A TW 201509200 A TW201509200 A TW 201509200A TW 103118931 A TW103118931 A TW 103118931A TW 103118931 A TW103118931 A TW 103118931A TW 201509200 A TW201509200 A TW 201509200A
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Taiwan
Prior art keywords
matrix
vector
spherical harmonic
audio
background
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TW103118931A
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English (en)
Chinese (zh)
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Nils Gunther Peters
Martin James Morrell
Dipanjan Sen
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Qualcomm Inc
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    • 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 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
    • 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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/0204—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 subband decomposition
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H04S7/303—Tracking of listener position or orientation
    • H04S7/304—For headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/40—Visual indication of stereophonic sound image
    • 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
    • G10L2019/0001—Codebooks
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/021—Aspects relating to docking-station type assemblies to obtain an acoustical effect, e.g. the type of connection to external loudspeakers or housings, frequency improvement
    • 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 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • 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
    • 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)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
TW103118931A 2013-05-29 2014-05-29 用於音場之分解表示之能量保留 TW201509200A (zh)

Applications Claiming Priority (19)

Application Number Priority Date Filing Date Title
US201361828615P 2013-05-29 2013-05-29
US201361828445P 2013-05-29 2013-05-29
US201361829182P 2013-05-30 2013-05-30
US201361829174P 2013-05-30 2013-05-30
US201361829155P 2013-05-30 2013-05-30
US201361829846P 2013-05-31 2013-05-31
US201361829791P 2013-05-31 2013-05-31
US201361886617P 2013-10-03 2013-10-03
US201361886605P 2013-10-03 2013-10-03
US201361899034P 2013-11-01 2013-11-01
US201361899041P 2013-11-01 2013-11-01
US201461925158P 2014-01-08 2014-01-08
US201461925126P 2014-01-08 2014-01-08
US201461925074P 2014-01-08 2014-01-08
US201461925112P 2014-01-08 2014-01-08
US201461933721P 2014-01-30 2014-01-30
US201461933706P 2014-01-30 2014-01-30
US201462003515P 2014-05-27 2014-05-27
US14/289,323 US20140355769A1 (en) 2013-05-29 2014-05-28 Energy preservation for decomposed representations of a sound field

Publications (1)

Publication Number Publication Date
TW201509200A true TW201509200A (zh) 2015-03-01

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TW103118931A TW201509200A (zh) 2013-05-29 2014-05-29 用於音場之分解表示之能量保留
TW103118935A TWI645723B (zh) 2013-05-29 2014-05-29 用於解壓縮經壓縮之音訊資料之方法及器件及其非暫時性電腦可讀儲存媒體

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Country Status (19)

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US (16) US9883312B2 (OSRAM)
EP (9) EP3005361B1 (OSRAM)
JP (6) JP6449256B2 (OSRAM)
KR (11) KR101795900B1 (OSRAM)
CN (7) CN105264598B (OSRAM)
AU (1) AU2014274076B2 (OSRAM)
BR (1) BR112015030102B1 (OSRAM)
CA (1) CA2912810C (OSRAM)
ES (4) ES2635327T3 (OSRAM)
HU (3) HUE039457T2 (OSRAM)
IL (1) IL242648B (OSRAM)
MY (1) MY174865A (OSRAM)
PH (1) PH12015502634B1 (OSRAM)
RU (1) RU2668059C2 (OSRAM)
SG (1) SG11201509462VA (OSRAM)
TW (2) TW201509200A (OSRAM)
UA (1) UA116140C2 (OSRAM)
WO (12) WO2014194099A1 (OSRAM)
ZA (1) ZA201509227B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI709131B (zh) * 2017-12-27 2020-11-01 芬蘭商諾基亞科技公司 音訊場景處理技術

Families Citing this family (141)

* 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
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
US9736609B2 (en) 2013-02-07 2017-08-15 Qualcomm Incorporated Determining renderers for spherical harmonic coefficients
US9609452B2 (en) 2013-02-08 2017-03-28 Qualcomm Incorporated Obtaining sparseness information for higher order ambisonic audio renderers
US9883310B2 (en) 2013-02-08 2018-01-30 Qualcomm Incorporated Obtaining symmetry information for higher order ambisonic audio renderers
US10178489B2 (en) 2013-02-08 2019-01-08 Qualcomm Incorporated Signaling audio rendering information in a bitstream
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9883312B2 (en) 2013-05-29 2018-01-30 Qualcomm Incorporated Transformed higher order ambisonics audio data
CN105264595B (zh) * 2013-06-05 2019-10-01 杜比国际公司 用于编码和解码音频信号的方法和装置
US9922656B2 (en) * 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9489955B2 (en) 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
US20150243292A1 (en) 2014-02-25 2015-08-27 Qualcomm Incorporated Order format signaling for higher-order ambisonic audio data
EP2922057A1 (en) 2014-03-21 2015-09-23 Thomson Licensing Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal
US10412522B2 (en) 2014-03-21 2019-09-10 Qualcomm Incorporated Inserting audio channels into descriptions of soundfields
US10134403B2 (en) * 2014-05-16 2018-11-20 Qualcomm Incorporated Crossfading between higher order ambisonic 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
US20150332682A1 (en) 2014-05-16 2015-11-19 Qualcomm Incorporated Spatial relation coding for higher order ambisonic coefficients
US9959876B2 (en) 2014-05-16 2018-05-01 Qualcomm Incorporated Closed loop quantization of higher order ambisonic coefficients
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US9847087B2 (en) 2014-05-16 2017-12-19 Qualcomm Incorporated Higher order ambisonics signal compression
US20150347392A1 (en) * 2014-05-29 2015-12-03 International Business Machines Corporation Real-time filtering of massive time series sets for social media trends
JP6423009B2 (ja) 2014-05-30 2018-11-14 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 高次アンビソニックオーディオレンダラのためのシンメトリ情報を取得すること
EP2960903A1 (en) 2014-06-27 2015-12-30 Thomson Licensing Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values
US9838819B2 (en) 2014-07-02 2017-12-05 Qualcomm Incorporated Reducing correlation between higher order ambisonic (HOA) background channels
US9536531B2 (en) * 2014-08-01 2017-01-03 Qualcomm Incorporated Editing of higher-order ambisonic audio data
US9847088B2 (en) 2014-08-29 2017-12-19 Qualcomm Incorporated Intermediate compression for higher order ambisonic audio data
US20160093308A1 (en) 2014-09-26 2016-03-31 Qualcomm Incorporated Predictive vector quantization techniques in a higher order ambisonics (hoa) framework
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
US9875745B2 (en) 2014-10-07 2018-01-23 Qualcomm Incorporated Normalization of ambient higher order ambisonic audio data
US10140996B2 (en) 2014-10-10 2018-11-27 Qualcomm Incorporated Signaling layers for scalable coding of higher order ambisonic audio data
US9984693B2 (en) 2014-10-10 2018-05-29 Qualcomm Incorporated Signaling channels for scalable coding of higher order ambisonic audio data
US9940937B2 (en) 2014-10-10 2018-04-10 Qualcomm Incorporated Screen related adaptation of HOA content
TWI771266B (zh) * 2015-03-13 2022-07-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
CN106303897A (zh) 2015-06-01 2017-01-04 杜比实验室特许公司 处理基于对象的音频信号
CN113242448B (zh) * 2015-06-02 2023-07-14 索尼公司 发送装置和方法、媒体处理装置和方法以及接收装置
WO2017017262A1 (en) * 2015-07-30 2017-02-02 Dolby International Ab Method and apparatus for generating from an hoa signal representation a mezzanine hoa signal representation
US12087311B2 (en) 2015-07-30 2024-09-10 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding an HOA representation
JP6501259B2 (ja) * 2015-08-04 2019-04-17 本田技研工業株式会社 音声処理装置及び音声処理方法
US10693936B2 (en) * 2015-08-25 2020-06-23 Qualcomm Incorporated Transporting coded audio data
US20170098452A1 (en) * 2015-10-02 2017-04-06 Dts, Inc. Method and system for audio processing of dialog, music, effect and height objects
JP6866362B2 (ja) * 2015-10-08 2021-04-28 ドルビー・インターナショナル・アーベー 圧縮された高次アンビソニックス音または音場表現のための層構成の符号化およびデータ構造
US10249312B2 (en) * 2015-10-08 2019-04-02 Qualcomm Incorporated Quantization of spatial vectors
US9961475B2 (en) 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from object-based audio to HOA
US9961467B2 (en) 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from channel-based audio to HOA
ES2900070T3 (es) 2015-10-08 2022-03-15 Dolby Int Ab Codificación en capas para representaciones de sonido o de campo sonido comprimidas
US9959880B2 (en) 2015-10-14 2018-05-01 Qualcomm Incorporated Coding higher-order ambisonic coefficients during multiple transitions
US10070094B2 (en) 2015-10-14 2018-09-04 Qualcomm Incorporated Screen related adaptation of higher order ambisonic (HOA) content
WO2017085140A1 (en) * 2015-11-17 2017-05-26 Dolby International Ab Method and apparatus for converting a channel-based 3d audio signal to an hoa audio signal
EP3174316B1 (en) * 2015-11-27 2020-02-26 Nokia Technologies Oy Intelligent audio rendering
EP3188504B1 (en) 2016-01-04 2020-07-29 Harman Becker Automotive Systems GmbH Multi-media reproduction for a multiplicity of recipients
WO2017119318A1 (ja) * 2016-01-08 2017-07-13 ソニー株式会社 音声処理装置および方法、並びにプログラム
CN112218211B (zh) 2016-03-15 2022-06-07 弗劳恩霍夫应用研究促进协会 用于生成声场描述的装置、方法或计算机程序
WO2018001500A1 (en) * 2016-06-30 2018-01-04 Huawei Technologies Duesseldorf Gmbh Apparatuses and methods for encoding and decoding a multichannel audio signal
KR102561371B1 (ko) * 2016-07-11 2023-08-01 삼성전자주식회사 디스플레이장치와, 기록매체
US11032663B2 (en) 2016-09-29 2021-06-08 The Trustees Of Princeton University System and method for virtual navigation of sound fields through interpolation of signals from an array of microphone assemblies
CN107945810B (zh) * 2016-10-13 2021-12-14 杭州米谟科技有限公司 用于编码和解码hoa或多声道数据的方法和装置
US11321609B2 (en) 2016-10-19 2022-05-03 Samsung Electronics Co., Ltd Method and apparatus for neural network quantization
US12190231B2 (en) 2016-10-19 2025-01-07 Samsung Electronics Co., Ltd Method and apparatus for neural network quantization
US20180124540A1 (en) * 2016-10-31 2018-05-03 Google Llc Projection-based audio coding
CN108206021B (zh) * 2016-12-16 2020-12-18 南京青衿信息科技有限公司 一种后向兼容式三维声编码器、解码器及其编解码方法
US10659906B2 (en) * 2017-01-13 2020-05-19 Qualcomm Incorporated Audio parallax for virtual reality, augmented reality, and mixed reality
KR20190118212A (ko) * 2017-01-24 2019-10-18 주식회사 알티스트 차량 상태 모니터링 시스템 및 방법
US10455321B2 (en) 2017-04-28 2019-10-22 Qualcomm Incorporated Microphone configurations
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
EP3625974B1 (en) 2017-05-15 2020-12-23 Dolby Laboratories Licensing Corporation Methods, systems and apparatus for conversion of spatial audio format(s) to speaker signals
US10390166B2 (en) * 2017-05-31 2019-08-20 Qualcomm Incorporated System and method for mixing and adjusting multi-input ambisonics
US10405126B2 (en) 2017-06-30 2019-09-03 Qualcomm Incorporated Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems
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
MY204183A (en) 2017-07-14 2024-08-14 Fraunhofer Ges Zur Frderung Der Angewandten Forschung E V Concept for generating an enhanced sound field description or a modified sound field description using a multi-point sound field description
JP7122793B2 (ja) 2017-07-14 2022-08-22 フラウンホーファー－ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 深度拡張ＤｉｒＡＣ技術またはその他の技術を使用して、拡張音場記述または修正音場記述を生成するための概念
US10075802B1 (en) 2017-08-08 2018-09-11 Qualcomm Incorporated Bitrate allocation for higher order ambisonic audio data
US10674301B2 (en) * 2017-08-25 2020-06-02 Google Llc Fast and memory efficient encoding of sound objects using spherical harmonic symmetries
US10764684B1 (en) 2017-09-29 2020-09-01 Katherine A. Franco Binaural audio using an arbitrarily shaped microphone array
KR102683551B1 (ko) 2017-10-05 2024-07-11 소니그룹주식회사 복호 장치 및 방법, 그리고 프로그램을 기록한 컴퓨터 판독가능 기록매체
US10972851B2 (en) * 2017-10-05 2021-04-06 Qualcomm Incorporated Spatial relation coding of higher order ambisonic coefficients
ES2930374T3 (es) 2017-11-17 2022-12-09 Fraunhofer Ges Forschung Aparato y método para codificar o decodificar parámetros de codificación de audio direccional utilizando diferentes resoluciones de tiempo/frecuencia
US10595146B2 (en) * 2017-12-21 2020-03-17 Verizon Patent And Licensing Inc. Methods and systems for extracting location-diffused ambient sound from a real-world scene
US11409923B1 (en) * 2018-01-22 2022-08-09 Ansys, Inc Systems and methods for generating reduced order models
FR3079706B1 (fr) * 2018-03-29 2021-06-04 Inst Mines Telecom Procede et systeme de diffusion d'un flux audio multicanal a des terminaux de spectateurs assistant a un evenement sportif
GB2572650A (en) * 2018-04-06 2019-10-09 Nokia Technologies Oy Spatial audio parameters and associated spatial audio playback
CN118824260A (zh) 2018-04-11 2024-10-22 杜比国际公司 用于6dof音频渲染的方法、设备和系统及用于6dof音频渲染的数据表示和位流结构
US10672405B2 (en) * 2018-05-07 2020-06-02 Google Llc Objective quality metrics for ambisonic spatial audio
CN108831494B (zh) * 2018-05-29 2022-07-19 平安科技（深圳）有限公司 语音增强方法、装置、计算机设备及存储介质
GB2574873A (en) * 2018-06-21 2019-12-25 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
US10999693B2 (en) 2018-06-25 2021-05-04 Qualcomm Incorporated Rendering different portions of audio data using different renderers
US12056594B2 (en) * 2018-06-27 2024-08-06 International Business Machines Corporation Low precision deep neural network enabled by compensation instructions
JP7516251B2 (ja) * 2018-07-02 2024-07-16 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エンコードおよび／またはデコードするための方法および装置
US11798569B2 (en) 2018-10-02 2023-10-24 Qualcomm Incorporated Flexible rendering of audio data
EP4213147B1 (en) * 2018-10-26 2025-07-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Directional loudness map based audio processing
EP3874492B1 (en) 2018-10-31 2023-12-06 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
GB2578625A (en) 2018-11-01 2020-05-20 Nokia Technologies Oy Apparatus, methods and computer programs for encoding spatial metadata
JP7311602B2 (ja) 2018-12-07 2023-07-19 フラウンホッファー－ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 低次、中次、高次成分生成器を用いたＤｉｒＡＣベースの空間音声符号化に関する符号化、復号化、シーン処理および他の手順を行う装置、方法およびコンピュータプログラム
FR3090179B1 (fr) * 2018-12-14 2021-04-09 Fond B Com Procédé d’interpolation d’un champ sonore, produit programme d’ordinateur et dispositif correspondants.
EP3900401B1 (en) * 2018-12-19 2025-09-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for reproducing a spatially extended sound source or apparatus and method for generating a bitstream from a spatially extended sound source
KR102277952B1 (ko) * 2019-01-11 2021-07-19 브레인소프트주식회사 디제이 변환에 의한 주파수 추출 방법
EP3706119A1 (fr) * 2019-03-05 2020-09-09 Orange Codage audio spatialisé avec interpolation et quantification de rotations
GB2582748A (en) * 2019-03-27 2020-10-07 Nokia Technologies Oy Sound field related rendering
RU2722223C1 (ru) * 2019-04-16 2020-05-28 Вадим Иванович Филиппов Способ сжатия многомерных образов путем приближения элементов пространств Lp{ (0, 1]m} , p больше или равно 1 и меньше бесконечности, по системам сжатий и сдвигов одной функции рядами типа Фурье с целыми коэффциентами и целочисленное разложение элементов многомодулярных пространств
US12073842B2 (en) * 2019-06-24 2024-08-27 Qualcomm Incorporated Psychoacoustic audio coding of ambisonic audio data
US11538489B2 (en) * 2019-06-24 2022-12-27 Qualcomm Incorporated Correlating scene-based audio data for psychoacoustic audio coding
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
GB2586214A (en) * 2019-07-31 2021-02-17 Nokia Technologies Oy Quantization of spatial audio direction parameters
KR102578008B1 (ko) * 2019-08-08 2023-09-12 붐클라우드 360 인코포레이티드 심리음향적 주파수 범위 확장을 위한 비선형 적응성 필터뱅크
JP7581333B2 (ja) * 2019-08-30 2024-11-12 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 マルチチャネル・オーディオ信号のチャネル識別
GB2587196A (en) * 2019-09-13 2021-03-24 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
US11430451B2 (en) * 2019-09-26 2022-08-30 Apple Inc. Layered coding of audio with discrete objects
CN110708647B (zh) * 2019-10-29 2020-12-25 扆亮海 一种球面分配引导的数据匹配立体声场重构方法
GB2590906A (en) * 2019-12-19 2021-07-14 Nomono As Wireless microphone with local storage
KR102761960B1 (ko) 2020-01-14 2025-02-05 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 앵커링 정보를 이용하여 공간적으로 확장된 음원을 재생하는 장치 및 방법 또는 공간적으로 확장된 음원에 대한 디스크립션을 생성하기 위한 장치 및 방법
US11636866B2 (en) * 2020-03-24 2023-04-25 Qualcomm Incorporated Transform ambisonic coefficients using an adaptive network
CN113593585A (zh) * 2020-04-30 2021-11-02 华为技术有限公司 音频信号的比特分配方法和装置
GB2595871A (en) * 2020-06-09 2021-12-15 Nokia Technologies Oy The reduction of spatial audio parameters
US20230298598A1 (en) * 2020-06-24 2023-09-21 Nippon Telegraph And Telephone Corporation Sound signal decoding method, sound signal decoder, program, and recording medium
CN111883138B (zh) * 2020-07-17 2025-01-24 深圳前海微众银行股份有限公司 一种识别说话对象的方法、装置、设备及可读存储介质
KR20230003546A (ko) * 2020-08-28 2023-01-06 구글 엘엘씨 오디오 코덱의 감각 불협화음 및 사운드 정위 큐의 불변성 유지
FR3113993B1 (fr) * 2020-09-09 2023-02-24 Arkamys Procédé de spatialisation sonore
GB2615236A (en) * 2020-09-25 2023-08-02 Apple Inc Higher order ambisonics encoding and decoding
CN112327398B (zh) * 2020-11-20 2022-03-08 中国科学院上海光学精密机械研究所 一种矢量补偿体布拉格光栅角度偏转器的制备方法
CN114582357B (zh) * 2020-11-30 2025-09-12 华为技术有限公司 一种音频编解码方法和装置
CN114582356B (zh) 2020-11-30 2025-06-06 华为技术有限公司 一种音频编解码方法和装置
WO2022122861A1 (en) * 2020-12-08 2022-06-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal characteristic determinator, method for determining a signal characteristic, audio encoder and computer program
US11743670B2 (en) 2020-12-18 2023-08-29 Qualcomm Incorporated Correlation-based rendering with multiple distributed streams accounting for an occlusion for six degree of freedom applications
US11521623B2 (en) 2021-01-11 2022-12-06 Bank Of America Corporation System and method for single-speaker identification in a multi-speaker environment on a low-frequency audio recording
CN113518299B (zh) * 2021-04-30 2022-06-03 电子科技大学 一种改进的源分量及环境分量提取方法、设备及计算机可读存储介质
CN113345448B (zh) * 2021-05-12 2022-08-05 北京大学 一种基于独立成分分析的hoa信号压缩方法
CN115346537B (zh) * 2021-05-14 2024-11-29 华为技术有限公司 一种音频编码、解码方法及装置
CN115376527A (zh) * 2021-05-17 2022-11-22 华为技术有限公司 三维音频信号编码方法、装置和编码器
KR20240012569A (ko) * 2021-05-27 2024-01-29 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 음향 환경의 인코딩 및 디코딩
CN115938388A (zh) * 2021-05-31 2023-04-07 华为技术有限公司 一种三维音频信号的处理方法和装置
CN115497485B (zh) * 2021-06-18 2024-10-18 华为技术有限公司 三维音频信号编码方法、装置、编码器和系统
CN113378063B (zh) * 2021-07-09 2023-07-28 小红书科技有限公司 一种基于滑动谱分解确定内容多样性的方法和内容排序方法
WO2023008831A1 (ko) * 2021-07-27 2023-02-02 브레인소프트 주식회사 해석적 방법에 기반한 디제이 변환 주파수 추출 방법
US12382238B2 (en) * 2021-07-30 2025-08-05 Qualcomm Incorporated XR rendering for 3D audio content and audio codec
CN113647978B (zh) * 2021-08-18 2023-11-21 重庆大学 一种带有截断因子的高鲁棒性符号相干系数超声成像方法
CN114597910B (zh) * 2022-03-28 2025-07-15 合肥工业大学 一种用于svc与电网交互稳定性评估的方法及其应用
CN114928788B (zh) * 2022-04-10 2025-02-21 西北工业大学 一种基于稀疏平面波分解的声场重放空间解码方法
CN114822568A (zh) * 2022-06-02 2022-07-29 深圳创维－Rgb电子有限公司 音频播放方法、装置、设备及计算机可读存储介质
US20240298130A1 (en) * 2023-03-03 2024-09-05 Sony Interactive Entertainment Inc. Systems and methods for generating and applying audio-based basis functions
CN120299466B (zh) * 2025-06-12 2025-08-26 北京生数科技有限公司 音频数据处理方法、装置、设备、存储介质及程序产品

Family Cites Families (217)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1159034B (it) 1983-06-10 1987-02-25 Cselt Centro Studi Lab Telecom Sintetizzatore vocale
US4972344A (en) * 1986-05-30 1990-11-20 Finial Technology, Inc. Dual beam optical turntable
US5012518A (en) * 1989-07-26 1991-04-30 Itt Corporation Low-bit-rate speech coder using LPC data reduction processing
US5363050A (en) * 1990-08-31 1994-11-08 Guo Wendy W Quantitative dielectric imaging system
EP0520068B1 (en) 1991-01-08 1996-05-15 Dolby Laboratories Licensing Corporation Encoder/decoder for multidimensional sound fields
US5757927A (en) 1992-03-02 1998-05-26 Trifield Productions Ltd. Surround sound apparatus
JP2626492B2 (ja) 1993-09-13 1997-07-02 日本電気株式会社 ベクトル量子化装置
US5790759A (en) 1995-09-19 1998-08-04 Lucent Technologies Inc. Perceptual noise masking measure based on synthesis filter frequency response
US5819215A (en) 1995-10-13 1998-10-06 Dobson; Kurt Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data
JP3707116B2 (ja) 1995-10-26 2005-10-19 ソニー株式会社 音声復号化方法及び装置
US5956674A (en) 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JP3849210B2 (ja) 1996-09-24 2006-11-22 ヤマハ株式会社 音声符号化復号方式
US5821887A (en) 1996-11-12 1998-10-13 Intel Corporation Method and apparatus for decoding variable length codes
US6167375A (en) 1997-03-17 2000-12-26 Kabushiki Kaisha Toshiba Method for encoding and decoding a speech signal including background noise
US6072878A (en) 1997-09-24 2000-06-06 Sonic Solutions Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics
US6263312B1 (en) 1997-10-03 2001-07-17 Alaris, Inc. Audio compression and decompression employing subband decomposition of residual signal and distortion reduction
JP3211762B2 (ja) 1997-12-12 2001-09-25 日本電気株式会社 音声及び音楽符号化方式
AUPP272698A0 (en) 1998-03-31 1998-04-23 Lake Dsp Pty Limited Soundfield playback from a single speaker system
US6016473A (en) * 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
EP1018840A3 (en) 1998-12-08 2005-12-21 Canon Kabushiki Kaisha Digital receiving apparatus and method
US6493664B1 (en) 1999-04-05 2002-12-10 Hughes Electronics Corporation Spectral magnitude modeling and quantization in a frequency domain interpolative speech codec system
US6370502B1 (en) 1999-05-27 2002-04-09 America Online, Inc. Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
US6782360B1 (en) 1999-09-22 2004-08-24 Mindspeed Technologies, Inc. Gain quantization for a CELP speech coder
US7043312B1 (en) * 2000-02-17 2006-05-09 Sonic Solutions CD playback augmentation for higher resolution and multi-channel sound
US20020049586A1 (en) 2000-09-11 2002-04-25 Kousuke Nishio Audio encoder, audio decoder, and broadcasting system
JP2002094989A (ja) 2000-09-14 2002-03-29 Pioneer Electronic Corp ビデオ信号符号化装置及びビデオ信号符号化方法
US7660424B2 (en) 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
US20020169735A1 (en) 2001-03-07 2002-11-14 David Kil Automatic mapping from data to preprocessing algorithms
GB2379147B (en) 2001-04-18 2003-10-22 Univ York Sound processing
US20030147539A1 (en) 2002-01-11 2003-08-07 Mh Acoustics, Llc, A Delaware Corporation Audio system based on at least second-order eigenbeams
US7031894B2 (en) 2002-01-16 2006-04-18 Timbre Technologies, Inc. Generating a library of simulated-diffraction signals and hypothetical profiles of periodic gratings
US7262770B2 (en) 2002-03-21 2007-08-28 Microsoft Corporation Graphics image rendering with radiance self-transfer for low-frequency lighting environments
US20030223603A1 (en) * 2002-05-28 2003-12-04 Beckman Kenneth Oren Sound space replication
US8160269B2 (en) 2003-08-27 2012-04-17 Sony Computer Entertainment Inc. Methods and apparatuses for adjusting a listening area for capturing sounds
EP2282310B1 (en) 2002-09-04 2012-01-25 Microsoft Corporation Entropy coding by adapting coding between level and run-length/level modes
FR2844894B1 (fr) 2002-09-23 2004-12-17 Remy Henri Denis Bruno Procede et systeme de traitement d'une representation d'un champ acoustique
US7330812B2 (en) 2002-10-04 2008-02-12 National Research Council Of Canada Method and apparatus for transmitting an audio stream having additional payload in a hidden sub-channel
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
US6961696B2 (en) 2003-02-07 2005-11-01 Motorola, Inc. Class quantization for distributed speech recognition
FI115324B (fi) 2003-03-14 2005-04-15 Elekta Neuromag Oy Menetelmä ja järjestelmä monikanavaisen mittaussignaalin käsittelemiseksi
US7558393B2 (en) 2003-03-18 2009-07-07 Miller Iii Robert E System and method for compatible 2D/3D (full sphere with height) surround sound reproduction
US7920709B1 (en) 2003-03-25 2011-04-05 Robert Hickling Vector sound-intensity probes operating in a half-space
JP2005086486A (ja) 2003-09-09 2005-03-31 Alpine Electronics Inc オーディオ装置およびオーディオ処理方法
US7433815B2 (en) 2003-09-10 2008-10-07 Dilithium Networks Pty Ltd. Method and apparatus for voice transcoding between variable rate coders
US7447317B2 (en) 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
KR100556911B1 (ko) 2003-12-05 2006-03-03 엘지전자 주식회사 무선 동영상 스트리밍 서비스를 위한 동영상 데이터의 구조
KR100629997B1 (ko) 2004-02-26 2006-09-27 엘지전자 주식회사 오디오 신호의 인코딩 방법
US7283634B2 (en) 2004-08-31 2007-10-16 Dts, Inc. Method of mixing audio channels using correlated outputs
US7630902B2 (en) 2004-09-17 2009-12-08 Digital Rise Technology Co., Ltd. Apparatus and methods for digital audio coding using codebook application ranges
FR2880755A1 (fr) 2005-01-10 2006-07-14 France Telecom Procede et dispositif d'individualisation de hrtfs par modelisation
KR100636229B1 (ko) 2005-01-14 2006-10-19 학교법인 성균관대학 신축형 부호화를 위한 적응적 엔트로피 부호화 및 복호화방법과 그 장치
JP5012504B2 (ja) 2005-03-30 2012-08-29 アイシン・エィ・ダブリュ株式会社 車両用ナビゲーションシステム
US7271747B2 (en) * 2005-05-10 2007-09-18 Rice University Method and apparatus for distributed compressed sensing
WO2006126856A2 (en) * 2005-05-26 2006-11-30 Lg Electronics Inc. Method of encoding and decoding an audio signal
ATE378793T1 (de) 2005-06-23 2007-11-15 Akg Acoustics Gmbh Methode zur modellierung eines mikrofons
US7599840B2 (en) * 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
JP2009518659A (ja) * 2005-09-27 2009-05-07 エルジー エレクトロニクス インコーポレイティド マルチチャネルオーディオ信号の符号化／復号化方法及び装置
US8510105B2 (en) 2005-10-21 2013-08-13 Nokia Corporation Compression and decompression of data vectors
EP1946612B1 (fr) 2005-10-27 2012-11-14 France Télécom Individualisation de hrtfs utilisant une modelisation par elements finis couplee a un modele correctif
US8190425B2 (en) 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
CN101385077B (zh) 2006-02-07 2012-04-11 Lg电子株式会社 用于编码/解码信号的装置和方法
EP1992198B1 (fr) * 2006-03-09 2016-07-20 Orange Optimisation d'une spatialisation sonore binaurale a partir d'un encodage multicanal
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
EP1853092B1 (en) 2006-05-04 2011-10-05 LG Electronics, Inc. Enhancing stereo audio with remix capability
US8379868B2 (en) 2006-05-17 2013-02-19 Creative Technology Ltd Spatial audio coding based on universal spatial cues
US8712061B2 (en) 2006-05-17 2014-04-29 Creative Technology Ltd Phase-amplitude 3-D stereo encoder and decoder
US8345899B2 (en) 2006-05-17 2013-01-01 Creative Technology Ltd Phase-amplitude matrixed surround decoder
US20080004729A1 (en) 2006-06-30 2008-01-03 Nokia Corporation Direct encoding into a directional audio coding format
US7877253B2 (en) 2006-10-06 2011-01-25 Qualcomm Incorporated Systems, methods, and apparatus for frame erasure recovery
DE102006053919A1 (de) 2006-10-11 2008-04-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen einer Anzahl von Lautsprechersignalen für ein Lautsprecher-Array, das einen Wiedergaberaum definiert
US7966175B2 (en) 2006-10-18 2011-06-21 Polycom, Inc. Fast lattice vector quantization
AU2007322488B2 (en) 2006-11-24 2010-04-29 Lg Electronics Inc. Method for encoding and decoding object-based audio signal and apparatus thereof
CN101553868B (zh) * 2006-12-07 2012-08-29 Lg电子株式会社 用于处理音频信号的方法和装置
US7663623B2 (en) 2006-12-18 2010-02-16 Microsoft Corporation Spherical harmonics scaling
JP2008227946A (ja) 2007-03-13 2008-09-25 Toshiba Corp 画像復号装置
US9015051B2 (en) 2007-03-21 2015-04-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Reconstruction of audio channels with direction parameters indicating direction of origin
US8290167B2 (en) 2007-03-21 2012-10-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
US8908873B2 (en) 2007-03-21 2014-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
BRPI0809916B1 (pt) 2007-04-12 2020-09-29 Interdigital Vc Holdings, Inc. Métodos e aparelhos para informação de utilidade de vídeo (vui) para codificação de vídeo escalável (svc) e mídia de armazenamento não transitória
US20080298610A1 (en) * 2007-05-30 2008-12-04 Nokia Corporation Parameter Space Re-Panning for Spatial Audio
US8180062B2 (en) * 2007-05-30 2012-05-15 Nokia Corporation Spatial sound zooming
EP2278582B1 (en) * 2007-06-08 2016-08-10 LG Electronics Inc. A method and an apparatus for processing an audio signal
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
EP2168121B1 (fr) 2007-07-03 2018-06-06 Orange Quantification apres transformation lineaire combinant les signaux audio d'une scene sonore, codeur associe
US8463615B2 (en) 2007-07-30 2013-06-11 Google Inc. Low-delay audio coder
DE602007008717D1 (de) 2007-07-30 2010-10-07 Global Ip Solutions Inc Audiodekoder mit geringer Verzögerung
CN101842833B (zh) 2007-09-11 2012-07-18 沃伊斯亚吉公司 语音和音频编码中快速代数码本搜索的方法和设备
GB2467668B (en) 2007-10-03 2011-12-07 Creative Tech Ltd Spatial audio analysis and synthesis for binaural reproduction and format conversion
US8509454B2 (en) * 2007-11-01 2013-08-13 Nokia Corporation Focusing on a portion of an audio scene for an audio signal
WO2009067741A1 (en) 2007-11-27 2009-06-04 Acouity Pty Ltd Bandwidth compression of parametric soundfield representations for transmission and storage
EP2234104B1 (en) 2008-01-16 2017-06-14 III Holdings 12, LLC Vector quantizer, vector inverse quantizer, and methods therefor
EP2094032A1 (en) 2008-02-19 2009-08-26 Deutsche Thomson OHG Audio signal, method and apparatus for encoding or transmitting the same and method and apparatus for processing the same
JP5266341B2 (ja) 2008-03-03 2013-08-21 エルジー エレクトロニクス インコーポレイティド オーディオ信号処理方法及び装置
CA2897278A1 (en) 2008-03-10 2009-09-17 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Device and method for manipulating an audio signal having a transient event
US8219409B2 (en) 2008-03-31 2012-07-10 Ecole Polytechnique Federale De Lausanne Audio wave field encoding
CN102077108B (zh) 2008-04-28 2015-02-25 康奈尔大学 分子mri中的磁敏度精确量化
US8184298B2 (en) 2008-05-21 2012-05-22 The Board Of Trustees Of The University Of Illinois Spatial light interference microscopy and fourier transform light scattering for cell and tissue characterization
US8452587B2 (en) 2008-05-30 2013-05-28 Panasonic Corporation Encoder, decoder, and the methods therefor
JP5220922B2 (ja) 2008-07-08 2013-06-26 ブリュエル アンド ケアー サウンド アンド ヴァイブレーション メジャーメント エー／エス 音場の再構成
EP2144230A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
GB0817950D0 (en) 2008-10-01 2008-11-05 Univ Southampton Apparatus and method for sound reproduction
JP5697301B2 (ja) 2008-10-01 2015-04-08 株式会社Ｎｔｔドコモ 動画像符号化装置、動画像復号装置、動画像符号化方法、動画像復号方法、動画像符号化プログラム、動画像復号プログラム、及び動画像符号化・復号システム
US8207890B2 (en) 2008-10-08 2012-06-26 Qualcomm Atheros, Inc. Providing ephemeris data and clock corrections to a satellite navigation system receiver
US8391500B2 (en) 2008-10-17 2013-03-05 University Of Kentucky Research Foundation Method and system for creating three-dimensional spatial audio
FR2938688A1 (fr) 2008-11-18 2010-05-21 France Telecom Codage avec mise en forme du bruit dans un codeur hierarchique
WO2010076460A1 (fr) 2008-12-15 2010-07-08 France Telecom Codage perfectionne de signaux audionumériques multicanaux
WO2010070225A1 (fr) 2008-12-15 2010-06-24 France Telecom Codage perfectionne de signaux audionumeriques multicanaux
US8332229B2 (en) 2008-12-30 2012-12-11 Stmicroelectronics Asia Pacific Pte. Ltd. Low complexity MPEG encoding for surround sound recordings
EP2205007B1 (en) 2008-12-30 2019-01-09 Dolby International AB Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction
WO2010086342A1 (en) 2009-01-28 2010-08-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, method for encoding an input audio information, method for decoding an input audio information and computer program using improved coding tables
GB2478834B (en) * 2009-02-04 2012-03-07 Richard Furse Sound system
JP5163545B2 (ja) 2009-03-05 2013-03-13 富士通株式会社 オーディオ復号装置及びオーディオ復号方法
EP2237270B1 (en) 2009-03-30 2012-07-04 Nuance Communications, Inc. A method for determining a noise reference signal for noise compensation and/or noise reduction
GB0906269D0 (en) 2009-04-09 2009-05-20 Ntnu Technology Transfer As Optimal modal beamformer for sensor arrays
WO2011022027A2 (en) * 2009-05-08 2011-02-24 University Of Utah Research Foundation Annular thermoacoustic energy converter
JP4778591B2 (ja) 2009-05-21 2011-09-21 パナソニック株式会社 触感処理装置
CN102460573B (zh) * 2009-06-24 2014-08-20 弗兰霍菲尔运输应用研究公司 音频信号译码器、对音频信号译码的方法
EP2285139B1 (en) * 2009-06-25 2018-08-08 Harpex Ltd. Device and method for converting spatial audio signal
WO2011041834A1 (en) 2009-10-07 2011-04-14 The University Of Sydney Reconstruction of a recorded sound field
MY163358A (en) * 2009-10-08 2017-09-15 Fraunhofer-Gesellschaft Zur Förderung Der Angenwandten Forschung E V Multi-mode audio signal decoder,multi-mode audio signal encoder,methods and computer program using a linear-prediction-coding based noise shaping
CA2777601C (en) 2009-10-15 2016-06-21 Widex A/S A hearing aid with audio codec and method
US9153242B2 (en) 2009-11-13 2015-10-06 Panasonic Intellectual Property Corporation Of America Encoder apparatus, decoder apparatus, and related methods that use plural coding layers
JP5427565B2 (ja) * 2009-11-24 2014-02-26 株式会社日立製作所 Ｍｒｉ装置用磁場調整
PH12012500906A1 (en) 2009-12-07 2015-03-25 Dolby Laboratories Licensing Corp Decoding of multichannel audio encoded bit streams using adaptive hybrid transformation
EP2346028A1 (en) * 2009-12-17 2011-07-20 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. An apparatus and a method for converting a first parametric spatial audio signal into a second parametric spatial audio signal
CN102104452B (zh) 2009-12-22 2013-09-11 华为技术有限公司 信道状态信息反馈方法、信道状态信息获得方法及设备
TWI443646B (zh) 2010-02-18 2014-07-01 Dolby Lab Licensing Corp 音訊解碼器及使用有效降混之解碼方法
EP2539892B1 (fr) 2010-02-26 2014-04-02 Orange Compression de flux audio multicanal
BR112012022744B1 (pt) 2010-03-10 2021-02-17 Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V. decodificador de sinal de áudio, codificador de sinal de áudio, método para decodificar um sinal de áudio, método para codificar um sinal de áudio e programa de computador utilizando uma adaptação dependente de timbre de um contexto de codificação
BR112012024528B1 (pt) 2010-03-26 2021-05-11 Dolby International Ab método e dispositivo para decodificar uma representação para campo de som de áudio para reprodução de áudio e meio legível por computador
ES2656815T3 (es) 2010-03-29 2018-02-28 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung Procesador de audio espacial y procedimiento para proporcionar parámetros espaciales en base a una señal de entrada acústica
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
TW201214415A (en) 2010-05-28 2012-04-01 Fraunhofer Ges Forschung Low-delay unified speech and audio codec
US9053697B2 (en) 2010-06-01 2015-06-09 Qualcomm Incorporated Systems, methods, devices, apparatus, and computer program products for audio equalization
US9398308B2 (en) 2010-07-28 2016-07-19 Qualcomm Incorporated Coding motion prediction direction in video coding
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
NZ587483A (en) 2010-08-20 2012-12-21 Ind Res Ltd Holophonic speaker system with filters that are pre-configured based on acoustic transfer functions
ES2922639T3 (es) 2010-08-27 2022-09-19 Sennheiser Electronic Gmbh & Co Kg Método y dispositivo para la reproducción mejorada de campo sonoro de señales de entrada de audio codificadas espacialmente
CN101977349A (zh) 2010-09-29 2011-02-16 华南理工大学 Ambisonic声重发系统解码的优化改进方法
US9084049B2 (en) 2010-10-14 2015-07-14 Dolby Laboratories Licensing Corporation Automatic equalization using adaptive frequency-domain filtering and dynamic fast convolution
US20120093323A1 (en) 2010-10-14 2012-04-19 Samsung Electronics Co., Ltd. Audio system and method of down mixing audio signals using the same
US9552840B2 (en) 2010-10-25 2017-01-24 Qualcomm Incorporated Three-dimensional sound capturing and reproducing with multi-microphones
EP2451196A1 (en) 2010-11-05 2012-05-09 Thomson Licensing Method and apparatus for generating and for decoding sound field data including ambisonics sound field data of an order higher than three
EP2450880A1 (en) 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
KR101401775B1 (ko) 2010-11-10 2014-05-30 한국전자통신연구원 스피커 어레이 기반 음장 합성을 이용한 음장 재생 장치 및 방법
US9448289B2 (en) 2010-11-23 2016-09-20 Cornell University Background field removal method for MRI using projection onto dipole fields
BR112013013681B1 (pt) 2010-12-03 2020-12-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. aquisição de som através da extração de informações geométricas a partir das estimativas de direção de chegada
EP2464146A1 (en) * 2010-12-10 2012-06-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decomposing an input signal using a pre-calculated reference curve
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
US20120163622A1 (en) 2010-12-28 2012-06-28 Stmicroelectronics Asia Pacific Pte Ltd Noise detection and reduction in audio devices
US8809663B2 (en) 2011-01-06 2014-08-19 Hank Risan Synthetic simulation of a media recording
US9008176B2 (en) 2011-01-22 2015-04-14 Qualcomm Incorporated Combined reference picture list construction for video coding
US20120189052A1 (en) 2011-01-24 2012-07-26 Qualcomm Incorporated Signaling quantization parameter changes for coded units in high efficiency video coding (hevc)
WO2012105886A1 (en) * 2011-02-03 2012-08-09 Telefonaktiebolaget L M Ericsson (Publ) Determining the inter-channel time difference of a multi-channel audio signal
WO2012122397A1 (en) 2011-03-09 2012-09-13 Srs Labs, Inc. System for dynamically creating and rendering audio objects
MY190996A (en) 2011-04-21 2022-05-26 Samsung Electronics Co Ltd Apparatus for quantizing linear predictive coding coefficients, sound encoding apparatus, apparatus for de-quantizing linear predictive coding coefficients, sound decoding apparatus, and electronic device therefore
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
TWI543642B (zh) * 2011-07-01 2016-07-21 杜比實驗室特許公司 用於適應性音頻信號的產生、譯碼與呈現之系統與方法
US8548803B2 (en) 2011-08-08 2013-10-01 The Intellisis Corporation System and method of processing a sound signal including transforming the sound signal into a frequency-chirp domain
US9641951B2 (en) 2011-08-10 2017-05-02 The Johns Hopkins University System and method for fast binaural rendering of complex acoustic scenes
EP2560161A1 (en) 2011-08-17 2013-02-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Optimal mixing matrices and usage of decorrelators in spatial audio processing
EP2592845A1 (en) 2011-11-11 2013-05-15 Thomson Licensing Method and Apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an Ambisonics representation of the sound field
EP2592846A1 (en) 2011-11-11 2013-05-15 Thomson Licensing Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an Ambisonics representation of the sound field
EP2600343A1 (en) 2011-12-02 2013-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for merging geometry - based spatial audio coding streams
KR101590332B1 (ko) 2012-01-09 2016-02-18 삼성전자주식회사 영상장치 및 그 제어방법
JP2015509212A (ja) * 2012-01-19 2015-03-26 コーニンクレッカ フィリップス エヌ ヴェ 空間オーディオ・レンダリング及び符号化
EP2637427A1 (en) 2012-03-06 2013-09-11 Thomson Licensing Method and apparatus for playback of a higher-order ambisonics audio signal
EP2645748A1 (en) 2012-03-28 2013-10-02 Thomson Licensing Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal
US9955280B2 (en) * 2012-04-19 2018-04-24 Nokia Technologies Oy Audio scene apparatus
EP2665208A1 (en) 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US20140086416A1 (en) 2012-07-15 2014-03-27 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients
US9190065B2 (en) 2012-07-15 2015-11-17 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients
US9288603B2 (en) 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
KR102597573B1 (ko) 2012-07-16 2023-11-02 돌비 인터네셔널 에이비 오디오 재생을 위한 오디오 음장 표현을 렌더링하는 방법 및 장치
US9473870B2 (en) 2012-07-16 2016-10-18 Qualcomm Incorporated Loudspeaker position compensation with 3D-audio hierarchical coding
EP2688066A1 (en) 2012-07-16 2014-01-22 Thomson Licensing Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction
EP2875511B1 (en) 2012-07-19 2018-02-21 Dolby International AB Audio coding for improving the rendering of multi-channel audio signals
US9516446B2 (en) * 2012-07-20 2016-12-06 Qualcomm Incorporated Scalable downmix design for object-based surround codec with cluster analysis by synthesis
US9761229B2 (en) 2012-07-20 2017-09-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for audio object clustering
JP5967571B2 (ja) 2012-07-26 2016-08-10 本田技研工業株式会社 音響信号処理装置、音響信号処理方法、及び音響信号処理プログラム
EP2898506B1 (en) * 2012-09-21 2018-01-17 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
US10109287B2 (en) 2012-10-30 2018-10-23 Nokia Technologies Oy Method and apparatus for resilient vector quantization
US9336771B2 (en) 2012-11-01 2016-05-10 Google Inc. Speech recognition using non-parametric models
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
US9736609B2 (en) 2013-02-07 2017-08-15 Qualcomm Incorporated Determining renderers for spherical harmonic coefficients
EP2765791A1 (en) 2013-02-08 2014-08-13 Thomson Licensing Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field
US9883310B2 (en) 2013-02-08 2018-01-30 Qualcomm Incorporated Obtaining symmetry information for higher order ambisonic audio renderers
US10178489B2 (en) 2013-02-08 2019-01-08 Qualcomm Incorporated Signaling audio rendering information in a bitstream
US9609452B2 (en) 2013-02-08 2017-03-28 Qualcomm Incorporated Obtaining sparseness information for higher order ambisonic audio renderers
US9338420B2 (en) 2013-02-15 2016-05-10 Qualcomm Incorporated Video analysis assisted generation of multi-channel audio data
CN104010265A (zh) * 2013-02-22 2014-08-27 杜比实验室特许公司 音频空间渲染设备及方法
US9959875B2 (en) * 2013-03-01 2018-05-01 Qualcomm Incorporated Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams
CN105409247B (zh) 2013-03-05 2020-12-29 弗劳恩霍夫应用研究促进协会 用于音频信号处理的多声道直接-周围分解的装置及方法
US9197962B2 (en) 2013-03-15 2015-11-24 Mh Acoustics Llc Polyhedral audio system based on at least second-order eigenbeams
EP2800401A1 (en) 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
BR112015028337B1 (pt) 2013-05-16 2022-03-22 Koninklijke Philips N.V. Aparelho de processamento de áudio e método
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
US9883312B2 (en) 2013-05-29 2018-01-30 Qualcomm Incorporated Transformed higher order ambisonics audio data
CN105264595B (zh) 2013-06-05 2019-10-01 杜比国际公司 用于编码和解码音频信号的方法和装置
EP3017446B1 (en) 2013-07-05 2021-08-25 Dolby International AB Enhanced soundfield coding using parametric component generation
TWI673707B (zh) 2013-07-19 2019-10-01 瑞典商杜比國際公司 將以L<sub>1</sub>個頻道為基礎之輸入聲音訊號產生至L<sub>2</sub>個揚聲器頻道之方法及裝置，以及得到一能量保留混音矩陣之方法及裝置，用以將以輸入頻道為基礎之聲音訊號混音以用於L<sub>1</sub>個聲音頻道至L<sub>2</sub>個揚聲器頻道
US20150127354A1 (en) * 2013-10-03 2015-05-07 Qualcomm Incorporated Near field compensation for decomposed representations of a sound field
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
US20150243292A1 (en) * 2014-02-25 2015-08-27 Qualcomm Incorporated Order format signaling for higher-order ambisonic audio data
US20150264483A1 (en) 2014-03-14 2015-09-17 Qualcomm Incorporated Low frequency rendering of higher-order ambisonic audio data
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
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US9959876B2 (en) * 2014-05-16 2018-05-01 Qualcomm Incorporated Closed loop quantization of higher order ambisonic coefficients
US20150332682A1 (en) * 2014-05-16 2015-11-19 Qualcomm Incorporated Spatial relation coding for higher order ambisonic coefficients
US10142642B2 (en) 2014-06-04 2018-11-27 Qualcomm Incorporated Block adaptive color-space conversion coding
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
US20160093308A1 (en) 2014-09-26 2016-03-31 Qualcomm Incorporated Predictive vector quantization techniques in a higher order ambisonics (hoa) framework
CN105989852A (zh) * 2015-02-16 2016-10-05 杜比实验室特许公司 分离音频源
CN106297820A (zh) * 2015-05-14 2017-01-04 杜比实验室特许公司 具有基于迭代加权的源方向确定的音频源分离

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI709131B (zh) * 2017-12-27 2020-11-01 芬蘭商諾基亞科技公司 音訊場景處理技術

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