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
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TW103107142A
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English (en)
Chinese (zh)
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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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    • 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 (https=)
EP (2) EP2962298B1 (https=)
JP (2) JP2016510905A (https=)
KR (2) KR101854964B1 (https=)
CN (2) CN105027200B (https=)
BR (1) BR112015020892A2 (https=)
ES (1) ES2738490T3 (https=)
HU (1) HUE045446T2 (https=)
TW (2) TWI583210B (https=)
WO (2) WO2014134462A2 (https=)

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US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient 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
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JP7115477B2 (ja) * 2017-07-05 2022-08-09 ソニーグループ株式会社 信号処理装置および方法、並びにプログラム
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
KR102540642B1 (ko) 2017-07-14 2023-06-08 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중-층 묘사를 이용하여 증강된 음장 묘사 또는 수정된 음장 묘사를 생성하기 위한 개념
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
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
EP3818524B1 (en) * 2018-07-02 2023-12-13 Dolby Laboratories Licensing Corporation Methods and devices for generating or decoding a bitstream comprising immersive audio signals
WO2020008112A1 (en) * 2018-07-03 2020-01-09 Nokia Technologies Oy Energy-ratio signalling and synthesis
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
US11043742B2 (en) 2019-07-31 2021-06-22 At&T Intellectual Property I, L.P. Phased array mobile channel sounding system
EP4055840A1 (en) 2019-11-04 2022-09-14 Qualcomm Incorporated Signalling of audio effect metadata in a bitstream
CN116391365A (zh) * 2020-09-25 2023-07-04 苹果公司 高阶环境立体声编码和解码
CN116868588A (zh) * 2020-11-03 2023-10-10 弗劳恩霍夫应用研究促进协会 用于音频信号变换的装置和方法
EP4174637A1 (en) * 2021-10-26 2023-05-03 Koninklijke Philips N.V. Bitstream representing audio in an environment
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Also Published As

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

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