CN108141690B - 在多个转变期间译码高阶立体混响系数 - Google Patents

在多个转变期间译码高阶立体混响系数 Download PDF

Info

Publication number
CN108141690B
CN108141690B CN201680059641.1A CN201680059641A CN108141690B CN 108141690 B CN108141690 B CN 108141690B CN 201680059641 A CN201680059641 A CN 201680059641A CN 108141690 B CN108141690 B CN 108141690B
Authority
CN
China
Prior art keywords
indication
frame
foreground
vector
bitstream
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
CN201680059641.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN108141690A (zh
Inventor
N·G·彼得斯
D·森
金墨永
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 CN108141690A publication Critical patent/CN108141690A/zh
Application granted granted Critical
Publication of CN108141690B publication Critical patent/CN108141690B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10L19/04—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
    • 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 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
    • 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)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201680059641.1A 2015-10-14 2016-10-12 在多个转变期间译码高阶立体混响系数 Active CN108141690B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562241665P 2015-10-14 2015-10-14
US62/241,665 2015-10-14
US15/290,229 2016-10-11
US15/290,229 US9959880B2 (en) 2015-10-14 2016-10-11 Coding higher-order ambisonic coefficients during multiple transitions
PCT/US2016/056625 WO2017066312A1 (en) 2015-10-14 2016-10-12 Coding higher-order ambisonic coefficients during multiple transitions

Publications (2)

Publication Number Publication Date
CN108141690A CN108141690A (zh) 2018-06-08
CN108141690B true CN108141690B (zh) 2021-03-02

Family

ID=57178550

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680059641.1A Active CN108141690B (zh) 2015-10-14 2016-10-12 在多个转变期间译码高阶立体混响系数

Country Status (7)

Country Link
US (1) US9959880B2 (enExample)
EP (1) EP3363213B1 (enExample)
JP (1) JP6605725B2 (enExample)
KR (1) KR102077412B1 (enExample)
CN (1) CN108141690B (enExample)
CA (1) CA2999289C (enExample)
WO (1) WO2017066312A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9959880B2 (en) * 2015-10-14 2018-05-01 Qualcomm Incorporated Coding higher-order ambisonic coefficients during multiple transitions
JP7093841B2 (ja) 2018-04-11 2022-06-30 ドルビー・インターナショナル・アーベー ６ｄｏｆオーディオ・レンダリングのための方法、装置およびシステムならびに６ｄｏｆオーディオ・レンダリングのためのデータ表現およびビットストリーム構造
GB2582748A (en) 2019-03-27 2020-10-07 Nokia Technologies Oy Sound field related rendering
WO2020253941A1 (en) 2019-06-17 2020-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs
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
US20240129681A1 (en) * 2022-10-12 2024-04-18 Qualcomm Incorporated Scaling audio sources in extended reality systems

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104285390A (zh) * 2012-05-14 2015-01-14 汤姆逊许可公司 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8964994B2 (en) 2008-12-15 2015-02-24 Orange Encoding of multichannel digital audio signals
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
US9082198B2 (en) * 2012-10-19 2015-07-14 Qualcomm Technologies, Inc. Method for creating automatic cinemagraphs on an imagine device
US9502044B2 (en) 2013-05-29 2016-11-22 Qualcomm Incorporated Compression of decomposed representations of a sound field
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
US9959880B2 (en) * 2015-10-14 2018-05-01 Qualcomm Incorporated Coding higher-order ambisonic coefficients during multiple transitions

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104285390A (zh) * 2012-05-14 2015-01-14 汤姆逊许可公司 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置

Also Published As

Publication number Publication date
BR112018007574A2 (pt) 2018-10-23
KR20180068974A (ko) 2018-06-22
US20170110140A1 (en) 2017-04-20
KR102077412B1 (ko) 2020-02-13
CN108141690A (zh) 2018-06-08
JP2018534617A (ja) 2018-11-22
US9959880B2 (en) 2018-05-01
WO2017066312A1 (en) 2017-04-20
EP3363213B1 (en) 2021-09-29
EP3363213A1 (en) 2018-08-22
CA2999289C (en) 2021-10-19
CA2999289A1 (en) 2017-04-20
JP6605725B2 (ja) 2019-11-13

Similar Documents

Publication Publication Date Title
CN105917408B (zh) 指示用于译码向量的帧参数可重用性
CN106663433B (zh) 用于处理音频数据的方法和装置
CN106463127B (zh) 用以获得多个高阶立体混响hoa系数的方法和装置
CN106797527B (zh) Hoa内容的显示屏相关调适
CN108141690B (zh) 在多个转变期间译码高阶立体混响系数
KR102329373B1 (ko) 고차 앰비소닉 오디오 신호들로부터 분해된 코딩 벡터들에 대한 코드북들 선택
CN106471577B (zh) 在高阶立体混响系数中的标量与向量之间进行确定
CN106471578B (zh) 用于较高阶立体混响信号之间的交叉淡化的方法和装置
EP3143618B1 (en) Closed loop quantization of higher order ambisonic coefficients
CN110827839A (zh) 用于渲染高阶立体混响系数的装置和方法
HK1232013A1 (en) Reducing correlation between higher order ambisonic (hoa) background channels
HK1233103A1 (en) Screen related adaptation of hoa content
HK1230343B (en) Determining between scalar and vector quantization in higher order ambisonic coefficients
HK1229522A1 (en) Method and device for obtaining a plurality of higher order ambisonic (hoa) coefficients
HK1230343A1 (en) Determining between scalar and vector quantization in higher order ambisonic coefficients
HK1229524A1 (en) Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
HK1232013B (zh) 用於处理音频数据的方法和装置

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