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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value
signal
shift
shift value
audio signal
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JP2019512735A (ja
JP2019512735A5 (cg-RX-API-DMAC7.html
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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)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (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 (cg-RX-API-DMAC7.html) 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 (cg-RX-API-DMAC7.html)
EP (2) EP3739579B1 (cg-RX-API-DMAC7.html)
JP (1) JP6978425B2 (cg-RX-API-DMAC7.html)
KR (2) KR102557066B1 (cg-RX-API-DMAC7.html)
CN (2) CN116721667A (cg-RX-API-DMAC7.html)
BR (1) BR112018068608A2 (cg-RX-API-DMAC7.html)
CA (2) CA3249661A1 (cg-RX-API-DMAC7.html)
ES (1) ES2837478T3 (cg-RX-API-DMAC7.html)
TW (1) TWI743097B (cg-RX-API-DMAC7.html)
WO (1) WO2017161309A1 (cg-RX-API-DMAC7.html)

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TWI564884B (zh) 2013-06-21 2017-01-01 弗勞恩霍夫爾協會 用以改良在錯誤消除期間於不同域之信號衰減之裝置及方法、以及相關電腦程式
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
US12148439B2 (en) * 2018-12-27 2024-11-19 Huawei Technologies Co., Ltd. Method for automatically switching bluetooth audio coding scheme and electronic device
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

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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
WO2007052612A1 (ja) 2005-10-31 2007-05-10 Matsushita Electric Industrial Co., Ltd. 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
JP5269914B2 (ja) 2009-01-22 2013-08-21 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
BR122019023877B1 (pt) * 2009-03-17 2021-08-17 Dolby International Ab Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo
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
CA2815249C (en) * 2010-10-25 2018-04-24 Voiceage Corporation Coding generic audio signals at low bitrates and low delay
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
ES2665599T3 (es) * 2013-04-05 2018-04-26 Dolby International Ab Codificador y descodificador de audio
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
KR20220150996A (ko) 2022-11-11
CN116721667A (zh) 2023-09-08
US20180336907A1 (en) 2018-11-22
TWI743097B (zh) 2021-10-21
CN108780648B (zh) 2023-07-14
WO2017161309A1 (en) 2017-09-21
US10210871B2 (en) 2019-02-19
KR20180125963A (ko) 2018-11-26
BR112018068608A2 (pt) 2019-02-05
EP3739579A1 (en) 2020-11-18
US20170270934A1 (en) 2017-09-21
US10204629B2 (en) 2019-02-12
KR102557066B1 (ko) 2023-07-18
EP3739579B1 (en) 2023-12-06
CA3014675A1 (en) 2017-09-21
EP3430621A1 (en) 2019-01-23
EP3430621B1 (en) 2020-09-16
JP2019512735A (ja) 2019-05-16
KR102461411B1 (ko) 2022-10-31
TW201737243A (zh) 2017-10-16
EP3739579C0 (en) 2023-12-06
ES2837478T3 (es) 2021-06-30
CA3249661A1 (en) 2025-06-17
CN108780648A (zh) 2018-11-09

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