TWI583210B - 變換球諧係數 - Google Patents

變換球諧係數 Download PDF

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Publication number
TWI583210B
TWI583210B TW103107142A TW103107142A TWI583210B TW I583210 B TWI583210 B TW I583210B TW 103107142 A TW103107142 A TW 103107142A TW 103107142 A TW103107142 A TW 103107142A TW I583210 B TWI583210 B TW I583210B
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TW
Taiwan
Prior art keywords
sound field
hierarchical elements
information
bit stream
transformed
Prior art date
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TW103107142A
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English (en)
Chinese (zh)
Other versions
TW201503712A (zh
Inventor
迪潘強 森
馬汀 詹姆士 摩瑞爾
尼爾斯 古恩瑟 彼得斯
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高通公司
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Publication of TW201503712A publication Critical patent/TW201503712A/zh
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Publication of TWI583210B publication Critical patent/TWI583210B/zh

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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
    • G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
    • 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 
    • 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)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
TW103107142A 2013-03-01 2014-03-03 變換球諧係數 TWI583210B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361771677P 2013-03-01 2013-03-01
US201361860201P 2013-07-30 2013-07-30
US14/192,829 US9685163B2 (en) 2013-03-01 2014-02-27 Transforming spherical harmonic coefficients

Publications (2)

Publication Number Publication Date
TW201503712A TW201503712A (zh) 2015-01-16
TWI583210B true TWI583210B (zh) 2017-05-11

Family

ID=51420957

Family Applications (2)

Application Number Title Priority Date Filing Date
TW103107142A TWI583210B (zh) 2013-03-01 2014-03-03 變換球諧係數
TW103107128A TWI603631B (zh) 2013-03-01 2014-03-03 產生及處理表示音訊內容之位元串流之方法、器件及非暫時性電腦可讀儲存媒體

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW103107128A TWI603631B (zh) 2013-03-01 2014-03-03 產生及處理表示音訊內容之位元串流之方法、器件及非暫時性電腦可讀儲存媒體

Country Status (10)

Country Link
US (2) US9685163B2 (OSRAM)
EP (2) EP2962297B1 (OSRAM)
JP (2) JP2016510905A (OSRAM)
KR (2) KR101854964B1 (OSRAM)
CN (2) CN105027199B (OSRAM)
BR (1) BR112015020892A2 (OSRAM)
ES (1) ES2738490T3 (OSRAM)
HU (1) HUE045446T2 (OSRAM)
TW (2) TWI583210B (OSRAM)
WO (2) WO2014134462A2 (OSRAM)

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RU2736274C1 (ru) 2017-07-14 2020-11-13 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Принцип формирования улучшенного описания звукового поля или модифицированного описания звукового поля с использованием dirac-технологии с расширением глубины или других технологий
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
CN117319917A (zh) 2017-07-14 2023-12-29 弗劳恩霍夫应用研究促进协会 使用多点声场描述生成经修改的声场描述的装置及方法
US10075802B1 (en) 2017-08-08 2018-09-11 Qualcomm Incorporated Bitrate allocation for higher order ambisonic audio data
US11281726B2 (en) * 2017-12-01 2022-03-22 Palantir Technologies Inc. System and methods for faster processor comparisons of visual graph features
US10419138B2 (en) 2017-12-22 2019-09-17 At&T Intellectual Property I, L.P. Radio-based channel sounding using phased array antennas
GB2572650A (en) * 2018-04-06 2019-10-09 Nokia Technologies Oy Spatial audio parameters and associated spatial audio playback
WO2019204214A2 (en) 2018-04-16 2019-10-24 Dolby Laboratories Licensing Corporation Methods, apparatus and systems for encoding and decoding of directional sound sources
BR112020016948A2 (pt) * 2018-07-02 2020-12-15 Dolby Laboratories Licensing Corporation Métodos e dispositivos para gerar ou decodificar um fluxo de bits compreendendo sinais de áudio imersivos
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US12308034B2 (en) * 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
US12142285B2 (en) 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
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CN114631332B (zh) 2019-11-04 2025-10-10 高通股份有限公司 比特流中音频效果元数据的信令
CN116391365A (zh) * 2020-09-25 2023-07-04 苹果公司 高阶环境立体声编码和解码
WO2022096376A2 (en) * 2020-11-03 2022-05-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for audio signal transformation
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JPH1118199A (ja) * 1997-06-26 1999-01-22 Nippon Columbia Co Ltd 音響処理装置
WO2001082651A1 (en) * 2000-04-19 2001-11-01 Sonic Solutions Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions
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Also Published As

Publication number Publication date
EP2962298A2 (en) 2016-01-06
US20140247946A1 (en) 2014-09-04
JP2016513811A (ja) 2016-05-16
US9959875B2 (en) 2018-05-01
TW201503712A (zh) 2015-01-16
WO2014134462A3 (en) 2014-11-13
JP2016510905A (ja) 2016-04-11
KR101854964B1 (ko) 2018-05-04
CN105027200A (zh) 2015-11-04
TWI603631B (zh) 2017-10-21
WO2014134472A2 (en) 2014-09-04
WO2014134462A2 (en) 2014-09-04
WO2014134472A3 (en) 2015-03-19
EP2962297A2 (en) 2016-01-06
HUE045446T2 (hu) 2019-12-30
ES2738490T3 (es) 2020-01-23
US9685163B2 (en) 2017-06-20
CN105027199B (zh) 2018-05-29
EP2962298B1 (en) 2019-04-24
CN105027200B (zh) 2019-04-09
TW201446016A (zh) 2014-12-01
BR112015020892A2 (pt) 2017-07-18
US20140249827A1 (en) 2014-09-04
CN105027199A (zh) 2015-11-04
KR20150123310A (ko) 2015-11-03
KR20150123311A (ko) 2015-11-03
EP2962297B1 (en) 2019-06-05

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