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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JP2019512735A (ja
JP2019512735A5 (https=
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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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Stereophonic System (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 US10210871B2 (en) 2016-03-18 2017-03-16 Audio processing for temporally mismatched signals
US15/461,356 2017-03-16
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 (https=) 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 (https=)
EP (2) EP3430621B1 (https=)
JP (1) JP6978425B2 (https=)
KR (2) KR102461411B1 (https=)
CN (2) CN116721667B (https=)
CA (2) CA3014675A1 (https=)
ES (1) ES2837478T3 (https=)
TW (1) TWI743097B (https=)
WO (1) WO2017161309A1 (https=)

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AU2014283198B2 (en) 2013-06-21 2016-10-20 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application
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
CN114726946B (zh) * 2018-12-27 2023-07-11 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、电子设备及可读存储介质
US10932122B1 (en) * 2019-06-07 2021-02-23 Sprint Communications Company L.P. User equipment beam effectiveness
CN113948098B (zh) 2020-07-17 2025-06-10 华为技术有限公司 一种立体声音频信号时延估计方法及装置
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
US8260609B2 (en) * 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
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
EP2381439B1 (en) 2009-01-22 2017-11-08 III Holdings 12, LLC Stereo acoustic signal encoding apparatus, stereo acoustic signal decoding apparatus, and methods for the same
BR122019023947B1 (pt) * 2009-03-17 2021-04-06 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
TWI435317B (zh) * 2009-10-20 2014-04-21 Fraunhofer Ges Forschung 音訊信號編碼器、音訊信號解碼器、用以提供音訊內容之編碼表示型態之方法、用以提供音訊內容之解碼表示型態之方法及使用於低延遲應用之電腦程式
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
EP2633521B1 (en) * 2010-10-25 2018-08-01 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
US9294777B2 (en) * 2012-12-30 2016-03-22 Qualcomm Incorporated Progressive refinement with temporal scalability support in video coding
US9601125B2 (en) * 2013-02-08 2017-03-21 Qualcomm Incorporated Systems and methods of performing noise modulation and gain adjustment
CA2908625C (en) * 2013-04-05 2017-10-03 Dolby International 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
US10204629B2 (en) 2019-02-12
WO2017161309A1 (en) 2017-09-21
JP2019512735A (ja) 2019-05-16
TWI743097B (zh) 2021-10-21
CA3249661A1 (en) 2025-06-17
CN116721667A (zh) 2023-09-08
EP3739579A1 (en) 2020-11-18
KR20220150996A (ko) 2022-11-11
CN116721667B (zh) 2026-03-17
EP3739579B1 (en) 2023-12-06
CN108780648B (zh) 2023-07-14
US10210871B2 (en) 2019-02-19
KR102461411B1 (ko) 2022-10-31
TW201737243A (zh) 2017-10-16
BR112018068608A2 (pt) 2019-02-05
US20180336907A1 (en) 2018-11-22
KR102557066B1 (ko) 2023-07-18
KR20180125963A (ko) 2018-11-26
CN108780648A (zh) 2018-11-09
EP3430621A1 (en) 2019-01-23
US20170270934A1 (en) 2017-09-21
EP3739579C0 (en) 2023-12-06
ES2837478T3 (es) 2021-06-30
EP3430621B1 (en) 2020-09-16
CA3014675A1 (en) 2017-09-21

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