JP6978425B2 - 時間的不一致信号のオーディオ処理 - Google Patents

時間的不一致信号のオーディオ処理 Download PDF

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JP6978425B2
JP6978425B2 JP2018548183A JP2018548183A JP6978425B2 JP 6978425 B2 JP6978425 B2 JP 6978425B2 JP 2018548183 A JP2018548183 A JP 2018548183A JP 2018548183 A JP2018548183 A JP 2018548183A JP 6978425 B2 JP6978425 B2 JP 6978425B2
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signal
shift
shift value
audio signal
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JP2019512735A5 (enExample
JP2019512735A (ja
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ヴェンカトラマン・エス・アッティ
ヴェンカタ・スブラマニアム・チャンドラ・セカール・チェビーヤム
ダニエル・ジャレッド・シンダー
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クアルコム，インコーポレイテッド
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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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmitters (AREA)
JP2018548183A 2016-03-18 2017-03-17 時間的不一致信号のオーディオ処理 Active JP6978425B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662310611P 2016-03-18 2016-03-18
US62/310,611 2016-03-18
US15/461,356 2017-03-16
US15/461,356 US10210871B2 (en) 2016-03-18 2017-03-16 Audio processing for temporally mismatched signals
PCT/US2017/023026 WO2017161309A1 (en) 2016-03-18 2017-03-17 Audio processing for temporally mismatched signals

Publications (3)

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JP2019512735A JP2019512735A (ja) 2019-05-16
JP2019512735A5 JP2019512735A5 (enExample) 2020-04-16
JP6978425B2 true JP6978425B2 (ja) 2021-12-08

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JP2018548183A Active JP6978425B2 (ja) 2016-03-18 2017-03-17 時間的不一致信号のオーディオ処理

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US (2) US10210871B2 (enExample)
EP (2) EP3739579B1 (enExample)
JP (1) JP6978425B2 (enExample)
KR (2) KR102461411B1 (enExample)
CN (2) CN116721667A (enExample)
BR (1) BR112018068608A2 (enExample)
CA (2) CA3249661A1 (enExample)
ES (1) ES2837478T3 (enExample)
TW (1) TWI743097B (enExample)
WO (1) WO2017161309A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT3011561T (pt) * 2013-06-21 2017-07-25 Fraunhofer Ges Forschung Aparelho e método para desvanecimento de sinal aperfeiçoado em diferentes domínios durante ocultação de erros
US10210871B2 (en) * 2016-03-18 2019-02-19 Qualcomm Incorporated Audio processing for temporally mismatched signals
CN108269577B (zh) 2016-12-30 2019-10-22 华为技术有限公司 立体声编码方法及立体声编码器
US10304468B2 (en) 2017-03-20 2019-05-28 Qualcomm Incorporated Target sample generation
CN109859766B (zh) * 2017-11-30 2021-08-20 华为技术有限公司 音频编解码方法和相关产品
CN108428457B (zh) * 2018-02-12 2021-03-23 北京百度网讯科技有限公司 音频去重方法及装置
WO2020133112A1 (zh) * 2018-12-27 2020-07-02 华为技术有限公司 一种自动切换蓝牙音频编码方式的方法及电子设备
US10932122B1 (en) * 2019-06-07 2021-02-23 Sprint Communications Company L.P. User equipment beam effectiveness
CN113870881B (zh) * 2021-09-26 2024-04-26 西南石油大学 一种鲁棒哈默斯坦子带样条自适应回声消除方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7508947B2 (en) * 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
JP5025485B2 (ja) 2005-10-31 2012-09-12 パナソニック株式会社 ステレオ符号化装置およびステレオ信号予測方法
US20080294446A1 (en) * 2007-05-22 2008-11-27 Linfeng Guo Layer based scalable multimedia datastream compression
US9653088B2 (en) * 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
WO2010084756A1 (ja) * 2009-01-22 2010-07-29 パナソニック株式会社 ステレオ音響信号符号化装置、ステレオ音響信号復号装置およびそれらの方法
US9082395B2 (en) * 2009-03-17 2015-07-14 Dolby International Ab Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding
CN102222505B (zh) * 2010-04-13 2012-12-19 中兴通讯股份有限公司 可分层音频编解码方法系统及瞬态信号可分层编解码方法
KR101858466B1 (ko) * 2010-10-25 2018-06-28 보이세지 코포레이션 혼합형 시간-영역/주파수-영역 코딩 장치, 인코더, 디코더, 혼합형 시간-영역/주파수-영역 코딩 방법, 인코딩 방법 및 디코딩 방법
US9865269B2 (en) * 2012-07-19 2018-01-09 Nokia Technologies Oy Stereo audio signal encoder
US9601125B2 (en) * 2013-02-08 2017-03-21 Qualcomm Incorporated Systems and methods of performing noise modulation and gain adjustment
IL278164B (en) * 2013-04-05 2022-08-01 Dolby Int Ab Audio encoder and decoder
KR102251833B1 (ko) * 2013-12-16 2021-05-13 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
US10074373B2 (en) 2015-12-21 2018-09-11 Qualcomm Incorporated Channel adjustment for inter-frame temporal shift variations
US10210871B2 (en) * 2016-03-18 2019-02-19 Qualcomm Incorporated Audio processing for temporally mismatched signals

Also Published As

Publication number Publication date
WO2017161309A1 (en) 2017-09-21
US10210871B2 (en) 2019-02-19
EP3430621A1 (en) 2019-01-23
CN116721667A (zh) 2023-09-08
EP3430621B1 (en) 2020-09-16
KR102461411B1 (ko) 2022-10-31
TW201737243A (zh) 2017-10-16
CN108780648A (zh) 2018-11-09
JP2019512735A (ja) 2019-05-16
EP3739579A1 (en) 2020-11-18
BR112018068608A2 (pt) 2019-02-05
US10204629B2 (en) 2019-02-12
TWI743097B (zh) 2021-10-21
KR20180125963A (ko) 2018-11-26
CA3014675A1 (en) 2017-09-21
EP3739579C0 (en) 2023-12-06
ES2837478T3 (es) 2021-06-30
EP3739579B1 (en) 2023-12-06
US20170270934A1 (en) 2017-09-21
CA3249661A1 (en) 2025-06-17
KR20220150996A (ko) 2022-11-11
KR102557066B1 (ko) 2023-07-18
US20180336907A1 (en) 2018-11-22
CN108780648B (zh) 2023-07-14

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