KR102461411B1 - 시간적으로 불일치된 신호들에 대한 오디오 프로세싱 - Google Patents

시간적으로 불일치된 신호들에 대한 오디오 프로세싱 Download PDF

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KR102461411B1
KR102461411B1 KR1020187026626A KR20187026626A KR102461411B1 KR 102461411 B1 KR102461411 B1 KR 102461411B1 KR 1020187026626 A KR1020187026626 A KR 1020187026626A KR 20187026626 A KR20187026626 A KR 20187026626A KR 102461411 B1 KR102461411 B1 KR 102461411B1
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KR20180125963A (ko
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벤카트라만 에스 아티
벤카타 수브라마니암 찬드라 세카르 체비얌
다니엘 제러드 신더
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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
    • G10L19/002—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)
KR1020187026626A 2016-03-18 2017-03-17 시간적으로 불일치된 신호들에 대한 오디오 프로세싱 Active KR102461411B1 (ko)

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Application Number Priority Date Filing Date Title
KR1020227037023A KR102557066B1 (ko) 2016-03-18 2017-03-17 시간적으로 불일치된 신호들에 대한 오디오 프로세싱

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

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KR1020227037023A Division KR102557066B1 (ko) 2016-03-18 2017-03-17 시간적으로 불일치된 신호들에 대한 오디오 프로세싱

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KR20180125963A KR20180125963A (ko) 2018-11-26
KR102461411B1 true KR102461411B1 (ko) 2022-10-31

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KR1020227037023A Active KR102557066B1 (ko) 2016-03-18 2017-03-17 시간적으로 불일치된 신호들에 대한 오디오 프로세싱

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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

Citations (1)

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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
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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
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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
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ISO/IEC FDIS 23003-3:2011(E), Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding. ISO/IEC JTC 1/SC 29/WG 11. 2011.09.20.

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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
JP6978425B2 (ja) 2021-12-08
US10210871B2 (en) 2019-02-19
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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