CN108780648B - 用于在时间上失配的信号的音频处理 - Google Patents

用于在时间上失配的信号的音频处理 Download PDF

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Publication number
CN108780648B
CN108780648B CN201780017113.4A CN201780017113A CN108780648B CN 108780648 B CN108780648 B CN 108780648B CN 201780017113 A CN201780017113 A CN 201780017113A CN 108780648 B CN108780648 B CN 108780648B
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signal
encoded
value
shift
frame
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CN108780648A (zh
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V·S·阿提
V·S·C·S·奇比亚姆
D·J·辛德尔
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Qualcomm Inc
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Qualcomm Inc
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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)
CN201780017113.4A 2016-03-18 2017-03-17 用于在时间上失配的信号的音频处理 Active CN108780648B (zh)

Priority Applications (1)

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CN202310879665.3A CN116721667A (zh) 2016-03-18 2017-03-17 用于在时间上失配的信号的音频处理

Applications Claiming Priority (5)

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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

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US (2) US10210871B2 (enExample)
EP (2) EP3739579B1 (enExample)
JP (1) JP6978425B2 (enExample)
KR (2) KR102461411B1 (enExample)
CN (2) CN108780648B (enExample)
BR (1) BR112018068608A2 (enExample)
CA (2) CA3014675A1 (enExample)
ES (1) ES2837478T3 (enExample)
TW (1) TWI743097B (enExample)
WO (1) WO2017161309A1 (enExample)

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CA2916150C (en) 2013-06-21 2019-06-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method realizing improved concepts for tcx ltp
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
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

Citations (4)

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CN102292767A (zh) * 2009-01-22 2011-12-21 松下电器产业株式会社 立体声音响信号编码装置、立体声音响信号解码装置及它们的编解码方法
CN104641414A (zh) * 2012-07-19 2015-05-20 诺基亚公司 立体声音频信号编码器
KR20150069919A (ko) * 2013-12-16 2015-06-24 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
CN104956438A (zh) * 2013-02-08 2015-09-30 高通股份有限公司 执行噪声调制和增益调节的系统和方法

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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
EP1953736A4 (en) 2005-10-31 2009-08-05 Panasonic Corp STEREO CODING DEVICE AND STEREOSIGNAL PREDICTION PROCESS
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
CN102388417B (zh) * 2009-03-17 2015-10-21 杜比国际公司 基于自适应地可选择的左/右或中央/侧边立体声编码和参数立体声编码的组合的高级立体声编码
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
CN103282959B (zh) * 2010-10-25 2015-06-03 沃伊斯亚吉公司 低位速率和短延迟地编码普通音频信号
IL278164B (en) * 2013-04-05 2022-08-01 Dolby Int Ab Audio encoder and decoder
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

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN102292767A (zh) * 2009-01-22 2011-12-21 松下电器产业株式会社 立体声音响信号编码装置、立体声音响信号解码装置及它们的编解码方法
CN104641414A (zh) * 2012-07-19 2015-05-20 诺基亚公司 立体声音频信号编码器
CN104956438A (zh) * 2013-02-08 2015-09-30 高通股份有限公司 执行噪声调制和增益调节的系统和方法
KR20150069919A (ko) * 2013-12-16 2015-06-24 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치

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EP3739579C0 (en) 2023-12-06
ES2837478T3 (es) 2021-06-30
WO2017161309A1 (en) 2017-09-21
US20170270934A1 (en) 2017-09-21
EP3739579A1 (en) 2020-11-18
KR20220150996A (ko) 2022-11-11
EP3739579B1 (en) 2023-12-06
JP6978425B2 (ja) 2021-12-08
BR112018068608A2 (pt) 2019-02-05
JP2019512735A (ja) 2019-05-16
KR20180125963A (ko) 2018-11-26
KR102461411B1 (ko) 2022-10-31
TW201737243A (zh) 2017-10-16
KR102557066B1 (ko) 2023-07-18
US10210871B2 (en) 2019-02-19
CN116721667A (zh) 2023-09-08
US20180336907A1 (en) 2018-11-22
TWI743097B (zh) 2021-10-21
CN108780648A (zh) 2018-11-09
CA3014675A1 (en) 2017-09-21
US10204629B2 (en) 2019-02-12
EP3430621B1 (en) 2020-09-16
EP3430621A1 (en) 2019-01-23
CA3249661A1 (en) 2025-06-17

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