KR20170010367A - 고차 앰비소닉 신호들간의 크로스페이딩 - Google Patents

고차 앰비소닉 신호들간의 크로스페이딩 Download PDF

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Publication number
KR20170010367A
KR20170010367A KR1020167032935A KR20167032935A KR20170010367A KR 20170010367 A KR20170010367 A KR 20170010367A KR 1020167032935 A KR1020167032935 A KR 1020167032935A KR 20167032935 A KR20167032935 A KR 20167032935A KR 20170010367 A KR20170010367 A KR 20170010367A
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KR
South Korea
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shcs
peripheral
unit
audio
cross
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KR1020167032935A
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English (en)
Korean (ko)
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무영 김
닐스 귄터 페터스
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퀄컴 인코포레이티드
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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
    • G10L19/002—Dynamic bit allocation

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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)
KR1020167032935A 2014-05-16 2015-05-15 고차 앰비소닉 신호들간의 크로스페이딩 Withdrawn KR20170010367A (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201461994763P 2014-05-16 2014-05-16
US61/994,763 2014-05-16
US201462004076P 2014-05-28 2014-05-28
US62/004,076 2014-05-28
US201562118434P 2015-02-19 2015-02-19
US62/118,434 2015-02-19
US14/712,854 2015-05-14
US14/712,854 US10134403B2 (en) 2014-05-16 2015-05-14 Crossfading between higher order ambisonic signals
PCT/US2015/031195 WO2015176005A1 (en) 2014-05-16 2015-05-15 Crossfading between higher order ambisonic signals

Publications (1)

Publication Number Publication Date
KR20170010367A true KR20170010367A (ko) 2017-01-31

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ID=53298603

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167032935A Withdrawn KR20170010367A (ko) 2014-05-16 2015-05-15 고차 앰비소닉 신호들간의 크로스페이딩

Country Status (6)

Country Link
US (1) US10134403B2 (cg-RX-API-DMAC7.html)
EP (1) EP3143617B1 (cg-RX-API-DMAC7.html)
JP (1) JP2017519417A (cg-RX-API-DMAC7.html)
KR (1) KR20170010367A (cg-RX-API-DMAC7.html)
CN (1) CN106471578B (cg-RX-API-DMAC7.html)
WO (1) WO2015176005A1 (cg-RX-API-DMAC7.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9961467B2 (en) * 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from channel-based audio to HOA
US10249312B2 (en) 2015-10-08 2019-04-02 Qualcomm Incorporated Quantization of spatial vectors
US9961475B2 (en) * 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from object-based audio to HOA
KR102615903B1 (ko) 2017-04-28 2023-12-19 디티에스, 인코포레이티드 오디오 코더 윈도우 및 변환 구현들
CN110556116B (zh) * 2018-05-31 2021-10-22 华为技术有限公司 计算下混信号和残差信号的方法和装置
US10887717B2 (en) * 2018-07-12 2021-01-05 Sony Interactive Entertainment Inc. Method for acoustically rendering the size of sound a source
EP3841572B1 (en) * 2018-08-21 2025-06-18 Dolby International AB Coding dense transient events with companding
JP7449184B2 (ja) 2020-07-13 2024-03-13 日本放送協会 音場モデリング装置及びプログラム
GB2614482A (en) * 2020-09-25 2023-07-05 Apple Inc Seamless scalable decoding of channels, objects, and hoa audio content
CN115497485B (zh) * 2021-06-18 2024-10-18 华为技术有限公司 三维音频信号编码方法、装置、编码器和系统

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000267686A (ja) * 1999-03-19 2000-09-29 Victor Co Of Japan Ltd 信号伝送方式及び復号化装置
GB2410164A (en) * 2004-01-16 2005-07-20 Anthony John Andrews Sound feature positioner
CN101578865A (zh) * 2006-12-22 2009-11-11 高通股份有限公司 用于内容自适应视频帧切割及非一致存取单元编码的技术
EP2486561B1 (en) * 2009-10-07 2016-03-30 The University Of Sydney Reconstruction of a recorded sound field
US8473084B2 (en) * 2010-09-01 2013-06-25 Apple Inc. Audio crossfading
FR2969805A1 (fr) * 2010-12-23 2012-06-29 France Telecom Codage bas retard alternant codage predictif et codage par transformee
WO2012083554A1 (en) * 2010-12-24 2012-06-28 Huawei Technologies Co., Ltd. A method and an apparatus for performing a voice activity detection
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US9190065B2 (en) * 2012-07-15 2015-11-17 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients
US9288603B2 (en) * 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
EP2782094A1 (en) * 2013-03-22 2014-09-24 Thomson Licensing Method and apparatus for enhancing directivity of a 1st order Ambisonics signal
US9854377B2 (en) 2013-05-29 2017-12-26 Qualcomm Incorporated Interpolation for decomposed representations of a sound field
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
KR102144976B1 (ko) * 2014-03-21 2020-08-14 돌비 인터네셔널 에이비 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치

Also Published As

Publication number Publication date
WO2015176005A1 (en) 2015-11-19
EP3143617B1 (en) 2020-08-26
CN106471578A (zh) 2017-03-01
CN106471578B (zh) 2020-03-31
US20150332683A1 (en) 2015-11-19
US10134403B2 (en) 2018-11-20
JP2017519417A (ja) 2017-07-13
EP3143617A1 (en) 2017-03-22

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PA0105 International application

Patent event date: 20161124

Patent event code: PA01051R01D

Comment text: International Patent Application

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