KR20170010792A - 고차 앰비소닉 계수들의 폐쇄 루프 양자화 - Google Patents

고차 앰비소닉 계수들의 폐쇄 루프 양자화 Download PDF

Info

Publication number
KR20170010792A
KR20170010792A KR1020167034841A KR20167034841A KR20170010792A KR 20170010792 A KR20170010792 A KR 20170010792A KR 1020167034841 A KR1020167034841 A KR 1020167034841A KR 20167034841 A KR20167034841 A KR 20167034841A KR 20170010792 A KR20170010792 A KR 20170010792A
Authority
KR
South Korea
Prior art keywords
audio object
audio
quantization
direction information
information associated
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.)
Withdrawn
Application number
KR1020167034841A
Other languages
English (en)
Korean (ko)
Inventor
무영 김
닐스 귄터 페터스
디판잔 센
Original Assignee
퀄컴 인코포레이티드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20170010792A publication Critical patent/KR20170010792A/ko
Withdrawn legal-status Critical Current

Links

Images

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)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
KR1020167034841A 2014-05-16 2015-05-15 고차 앰비소닉 계수들의 폐쇄 루프 양자화 Withdrawn KR20170010792A (ko)

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

Publications (1)

Publication Number Publication Date
KR20170010792A true KR20170010792A (ko) 2017-02-01

Family

ID=53298601

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167034841A Withdrawn KR20170010792A (ko) 2014-05-16 2015-05-15 고차 앰비소닉 계수들의 폐쇄 루프 양자화

Country Status (6)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9495968B2 (en) * 2013-05-29 2016-11-15 Qualcomm Incorporated Identifying sources from which higher order ambisonic audio data is generated
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
US12142285B2 (en) 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
US11538489B2 (en) 2019-06-24 2022-12-27 Qualcomm Incorporated Correlating scene-based audio data for psychoacoustic audio coding
US12308034B2 (en) 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
CN116391365A (zh) * 2020-09-25 2023-07-04 苹果公司 高阶环境立体声编码和解码
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
CN101395661B (zh) * 2006-03-07 2013-02-06 艾利森电话股份有限公司 音频编码和解码的方法和设备
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
EP2165328B1 (en) 2007-06-11 2018-01-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of an audio signal having an impulse-like portion and a stationary portion
US8396577B2 (en) * 2009-08-14 2013-03-12 Dts Llc System for creating audio objects for streaming
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
AU2011358654B2 (en) 2011-02-09 2017-01-05 Telefonaktiebolaget L M Ericsson (Publ) Efficient encoding/decoding of audio signals
CA2833874C (en) * 2011-04-21 2019-11-05 Ho-Sang Sung Method of quantizing linear predictive coding coefficients, sound encoding method, method of de-quantizing linear predictive coding coefficients, sound decoding method, and recording medium
WO2013066236A2 (en) * 2011-11-02 2013-05-10 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
US9495968B2 (en) 2013-05-29 2016-11-15 Qualcomm Incorporated Identifying sources from which higher order ambisonic audio data is generated
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients

Also Published As

Publication number Publication date
EP3143618A1 (en) 2017-03-22
US9959876B2 (en) 2018-05-01
CN106471576A (zh) 2017-03-01
JP2017520785A (ja) 2017-07-27
CN106471576B (zh) 2019-08-27
US20150332681A1 (en) 2015-11-19
WO2015175953A1 (en) 2015-11-19
EP3143618B1 (en) 2019-11-13

Similar Documents

Publication Publication Date Title
KR101756612B1 (ko) 벡터들을 코딩하기 위한 프레임 파라미터 재사용성의 표시
KR102032021B1 (ko) 고차 앰비소닉스 오디오 신호들로부터 분해된 벡터들의 코딩
KR101962000B1 (ko) 고차 앰비소닉 (hoa) 백그라운드 채널들 간의 상관의 감소
CN106104680B (zh) 将音频信道插入到声场的描述中
US9847088B2 (en) Intermediate compression for higher order ambisonic audio data
KR102329373B1 (ko) 고차 앰비소닉 오디오 신호들로부터 분해된 코딩 벡터들에 대한 코드북들 선택
KR101825317B1 (ko) 고차 앰비소닉 계수들에서 스칼라 및 벡터 양자화 사이의 결정
EP3143618B1 (en) Closed loop quantization of higher order ambisonic coefficients
EP3143617B1 (en) Crossfading between higher order ambisonic signals
US20150243292A1 (en) Order format signaling for higher-order ambisonic audio data
KR20170066400A (ko) Hoa 콘텐츠의 스크린 관련된 적응
EP3363213B1 (en) Coding higher-order ambisonic coefficients during multiple transitions

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20161213

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination