KR102032668B1 - 다수의 오디오 신호들의 인코딩 - Google Patents

다수의 오디오 신호들의 인코딩 Download PDF

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KR102032668B1
KR102032668B1 KR1020187016925A KR20187016925A KR102032668B1 KR 102032668 B1 KR102032668 B1 KR 102032668B1 KR 1020187016925 A KR1020187016925 A KR 1020187016925A KR 20187016925 A KR20187016925 A KR 20187016925A KR 102032668 B1 KR102032668 B1 KR 102032668B1
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frame
signal
samples
audio signal
shift value
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KR20180094905A (ko
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벤카트라만 아티
벤카타 수브라마니암 찬드라 세카르 체비얌
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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
    • G10L19/008—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
    • G10L19/002—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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction

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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)
  • Stereophonic System (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
KR1020187016925A 2015-12-18 2016-12-09 다수의 오디오 신호들의 인코딩 Active KR102032668B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562269660P 2015-12-18 2015-12-18
US62/269,660 2015-12-18
US15/372,980 2016-12-08
US15/372,980 US10115403B2 (en) 2015-12-18 2016-12-08 Encoding of multiple audio signals
PCT/US2016/065873 WO2017106041A1 (en) 2015-12-18 2016-12-09 Encoding of multiple audio signals

Publications (2)

Publication Number Publication Date
KR20180094905A KR20180094905A (ko) 2018-08-24
KR102032668B1 true KR102032668B1 (ko) 2019-10-15

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US (1) US10115403B2 (enExample)
EP (1) EP3391369B1 (enExample)
JP (2) JP6622410B2 (enExample)
KR (1) KR102032668B1 (enExample)
CN (1) CN108431890B (enExample)
AU (1) AU2016370363B2 (enExample)
ES (1) ES2803774T3 (enExample)
HU (1) HUE050695T2 (enExample)
TW (1) TWI696172B (enExample)
WO (1) WO2017106041A1 (enExample)

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CA2870884C (en) * 2012-04-17 2022-06-21 Sirius Xm Radio Inc. Systems and methods for implementing efficient cross-fading between compressed audio streams
EP3405950B1 (en) * 2016-01-22 2022-09-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Stereo audio coding with ild-based normalisation prior to mid/side decision
US10304468B2 (en) 2017-03-20 2019-05-28 Qualcomm Incorporated Target sample generation
US10891960B2 (en) * 2017-09-11 2021-01-12 Qualcomm Incorproated Temporal offset estimation
CN109361828B (zh) * 2018-12-17 2021-02-12 北京达佳互联信息技术有限公司 一种回声消除方法、装置、电子设备及存储介质
CN109645957B (zh) * 2018-12-21 2021-06-08 南京理工大学 一种鼾声来源分类方法
US10932122B1 (en) * 2019-06-07 2021-02-23 Sprint Communications Company L.P. User equipment beam effectiveness
KR20250040002A (ko) * 2022-07-15 2025-03-21 엘지전자 주식회사 무선 오디오 수신 장치, 무선 오디오 전송 장치 및 이를 구비하는 무선 오디오 출력 시스템

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US20110218799A1 (en) * 2010-03-05 2011-09-08 Motorola, Inc. Decoder for audio signal including generic audio and speech frames
US20110301962A1 (en) 2009-02-13 2011-12-08 Wu Wenhai Stereo encoding method and apparatus

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JPH10282995A (ja) * 1997-04-01 1998-10-23 Matsushita Electric Ind Co Ltd 欠落音声補間符号化方法、欠落音声補間符号化装置、及び記録媒体
JP4369946B2 (ja) * 2002-11-21 2009-11-25 日本電信電話株式会社 ディジタル信号処理方法、そのプログラム、及びそのプログラムを格納した記録媒体
JP3965141B2 (ja) * 2003-08-15 2007-08-29 株式会社国際電気通信基礎技術研究所 音声認識装置
GB2453117B (en) * 2007-09-25 2012-05-23 Motorola Mobility Inc Apparatus and method for encoding a multi channel audio signal
CN102160113B (zh) * 2008-08-11 2013-05-08 诺基亚公司 多声道音频编码器和解码器
CN101533641B (zh) * 2009-04-20 2011-07-20 华为技术有限公司 对多声道信号的声道延迟参数进行修正的方法和装置
US8848925B2 (en) * 2009-09-11 2014-09-30 Nokia Corporation Method, apparatus and computer program product for audio coding
CN103262158B (zh) * 2010-09-28 2015-07-29 华为技术有限公司 对解码的多声道音频信号或立体声信号进行后处理的装置和方法
CN104160442B (zh) * 2012-02-24 2016-10-12 杜比国际公司 音频处理
US9570081B2 (en) 2012-04-26 2017-02-14 Nokia Technologies Oy Backwards compatible audio representation
US9715880B2 (en) * 2013-02-21 2017-07-25 Dolby International Ab Methods for parametric multi-channel encoding
EP2840811A1 (en) * 2013-07-22 2015-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for processing an audio signal; signal processing unit, binaural renderer, audio encoder and audio decoder
FR3011408A1 (fr) * 2013-09-30 2015-04-03 Orange Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard
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US20110218799A1 (en) * 2010-03-05 2011-09-08 Motorola, Inc. Decoder for audio signal including generic audio and speech frames

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Publication number Publication date
WO2017106041A1 (en) 2017-06-22
EP3391369A1 (en) 2018-10-24
JP2020042294A (ja) 2020-03-19
AU2016370363A1 (en) 2018-05-24
CN108431890B (zh) 2020-03-24
CN108431890A (zh) 2018-08-21
JP2019502949A (ja) 2019-01-31
KR20180094905A (ko) 2018-08-24
JP6710805B2 (ja) 2020-06-17
US10115403B2 (en) 2018-10-30
AU2016370363B2 (en) 2019-11-14
ES2803774T3 (es) 2021-01-29
BR112018012154A2 (pt) 2018-11-27
EP3391369B1 (en) 2020-04-01
TWI696172B (zh) 2020-06-11
US20170178635A1 (en) 2017-06-22
HUE050695T2 (hu) 2020-12-28
JP6622410B2 (ja) 2019-12-18
TW201729179A (zh) 2017-08-16

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