CN106471576B - 高阶立体混响系数的闭环量化 - Google Patents

高阶立体混响系数的闭环量化 Download PDF

Info

Publication number
CN106471576B
CN106471576B CN201580025054.6A CN201580025054A CN106471576B CN 106471576 B CN106471576 B CN 106471576B CN 201580025054 A CN201580025054 A CN 201580025054A CN 106471576 B CN106471576 B CN 106471576B
Authority
CN
China
Prior art keywords
audio object
quantization
audio
directional information
vector
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
CN201580025054.6A
Other languages
English (en)
Chinese (zh)
Other versions
CN106471576A (zh
Inventor
金武勇
尼尔斯·京特·彼得斯
迪潘让·森
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 CN106471576A publication Critical patent/CN106471576A/zh
Application granted granted Critical
Publication of CN106471576B publication Critical patent/CN106471576B/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
    • G10L19/02—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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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
    • 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 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CN201580025054.6A 2014-05-16 2015-05-15 高阶立体混响系数的闭环量化 Expired - Fee Related CN106471576B (zh)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201461994493P 2014-05-16 2014-05-16
US201461994788P 2014-05-16 2014-05-16
US61/994,493 2014-05-16
US61/994,788 2014-05-16
US201462004082P 2014-05-28 2014-05-28
US62/004,082 2014-05-28
US14/712,638 2015-05-14
US14/712,638 US9959876B2 (en) 2014-05-16 2015-05-14 Closed loop quantization of higher order ambisonic coefficients
PCT/US2015/031107 WO2015175953A1 (en) 2014-05-16 2015-05-15 Closed loop quantization of higher order ambisonic coefficients

Publications (2)

Publication Number Publication Date
CN106471576A CN106471576A (zh) 2017-03-01
CN106471576B true CN106471576B (zh) 2019-08-27

Family

ID=53298601

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580025054.6A Expired - Fee Related CN106471576B (zh) 2014-05-16 2015-05-15 高阶立体混响系数的闭环量化

Country Status (6)

Country Link
US (1) US9959876B2 (enExample)
EP (1) EP3143618B1 (enExample)
JP (1) JP2017520785A (enExample)
KR (1) KR20170010792A (enExample)
CN (1) CN106471576B (enExample)
WO (1) WO2015175953A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9769586B2 (en) * 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
CN110019719B (zh) * 2017-12-15 2023-04-25 微软技术许可有限责任公司 基于断言的问答
US12056594B2 (en) * 2018-06-27 2024-08-06 International Business Machines Corporation Low precision deep neural network enabled by compensation instructions
US11361776B2 (en) * 2019-06-24 2022-06-14 Qualcomm Incorporated Coding scaled spatial components
US12308034B2 (en) 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
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
GB2615236A (en) * 2020-09-25 2023-08-02 Apple Inc Higher order ambisonics encoding and decoding
CN115410585A (zh) * 2021-05-29 2022-11-29 华为技术有限公司 音频数据编解码方法和相关装置及计算机可读存储介质

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
US7299190B2 (en) * 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
WO2007102782A2 (en) * 2006-03-07 2007-09-13 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements for audio coding and decoding
US7933770B2 (en) * 2006-07-14 2011-04-26 Siemens Audiologische Technik Gmbh Method and device for coding audio data based on vector quantisation
EP2082397B1 (en) * 2006-10-16 2011-12-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for multi -channel parameter transformation
US20080232601A1 (en) * 2007-03-21 2008-09-25 Ville Pulkki Method and apparatus for enhancement of audio reconstruction
JP5686369B2 (ja) 2007-06-11 2015-03-18 フラウンホッファー−ゲゼルシャフト ツァー フェーデルング デア アンゲバンテン フォルシュング エー ファー インパルス状の部分と定常部分とを有するオーディオ信号を符号化するオーディオ符号器、符号化方法、復号器、および復号化方法
CN102549655B (zh) * 2009-08-14 2014-09-24 Dts有限责任公司 自适应成流音频对象的系统
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
US9280980B2 (en) 2011-02-09 2016-03-08 Telefonaktiebolaget L M Ericsson (Publ) Efficient encoding/decoding of audio signals
MY202459A (en) * 2011-04-21 2024-04-30 Samsung Electronics Co Ltd Method of quantizing linear predictive coding coefficients, sound encoding method, method of de-quantizing linear predictive coding coefficients, sound decoding method, and recording medium and electronic device therefor
US9269364B2 (en) * 2011-11-02 2016-02-23 Telefonaktiebolaget L M Ericsson (Publ) Audio encoding/decoding based on an efficient representation of auto-regressive coefficients
US9761229B2 (en) * 2012-07-20 2017-09-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for audio object clustering
US9769586B2 (en) 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients

Also Published As

Publication number Publication date
JP2017520785A (ja) 2017-07-27
WO2015175953A1 (en) 2015-11-19
US20150332681A1 (en) 2015-11-19
US9959876B2 (en) 2018-05-01
KR20170010792A (ko) 2017-02-01
EP3143618A1 (en) 2017-03-22
EP3143618B1 (en) 2019-11-13
CN106471576A (zh) 2017-03-01

Similar Documents

Publication Publication Date Title
CN106663433B (zh) 用于处理音频数据的方法和装置
CN105917408B (zh) 指示用于译码向量的帧参数可重用性
CN106104680B (zh) 将音频信道插入到声场的描述中
CN106471576B (zh) 高阶立体混响系数的闭环量化
CN106575506B (zh) 用于执行高阶立体混响音频数据的中间压缩的装置和方法
CN106463121A (zh) 较高阶立体混响信号压缩
US10134403B2 (en) Crossfading between higher order ambisonic signals
EP3363213B1 (en) Coding higher-order ambisonic coefficients during multiple transitions
HK1232013B (zh) 用於处理音频数据的方法和装置
HK1224073B (zh) 指示用於译码向量的帧参数可重用性
HK1232013A1 (en) Reducing correlation between higher order ambisonic (hoa) background channels

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for 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

Granted publication date: 20190827

CF01 Termination of patent right due to non-payment of annual fee