JP6622410B2 - 複数のオーディオ信号の符号化 - Google Patents

複数のオーディオ信号の符号化 Download PDF

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Publication number
JP6622410B2
JP6622410B2 JP2018531322A JP2018531322A JP6622410B2 JP 6622410 B2 JP6622410 B2 JP 6622410B2 JP 2018531322 A JP2018531322 A JP 2018531322A JP 2018531322 A JP2018531322 A JP 2018531322A JP 6622410 B2 JP6622410 B2 JP 6622410B2
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Japan
Prior art keywords
frame
signal
shift value
audio signal
value
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Japanese (ja)
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JP2019502949A (ja
JP2019502949A5 (enExample
Inventor
アッティ、ベンカトラマン
チェビーヤム、ベンカタ・スブラマニヤム・チャンドラ・セカー
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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
    • G10L19/008—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)
  • 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)
  • Stereophonic System (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
JP2018531322A 2015-12-18 2016-12-09 複数のオーディオ信号の符号化 Expired - Fee Related JP6622410B2 (ja)

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

Related Child Applications (1)

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JP2019210278A Division JP6710805B2 (ja) 2015-12-18 2019-11-21 複数のオーディオ信号の符号化

Publications (3)

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JP2019502949A JP2019502949A (ja) 2019-01-31
JP2019502949A5 JP2019502949A5 (enExample) 2019-03-14
JP6622410B2 true JP6622410B2 (ja) 2019-12-18

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JP2018531322A Expired - Fee Related JP6622410B2 (ja) 2015-12-18 2016-12-09 複数のオーディオ信号の符号化
JP2019210278A Active JP6710805B2 (ja) 2015-12-18 2019-11-21 複数のオーディオ信号の符号化

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JP2019210278A Active JP6710805B2 (ja) 2015-12-18 2019-11-21 複数のオーディオ信号の符号化

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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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US9779736B2 (en) * 2011-11-18 2017-10-03 Sirius Xm Radio Inc. Systems and methods for implementing efficient cross-fading between compressed audio streams
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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
US12677106B1 (en) * 2022-06-09 2026-07-07 Meta Platforms Technologies, Llc Statistical provisioning of perceptual audio cues to enhance speech
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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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
EP2395504B1 (en) 2009-02-13 2013-09-18 Huawei Technologies Co., Ltd. Stereo encoding method and apparatus
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
EP2476113B1 (en) * 2009-09-11 2014-08-13 Nokia Corporation Method, apparatus and computer program product for audio coding
US8428936B2 (en) 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
EP2612321B1 (en) * 2010-09-28 2016-01-06 Huawei Technologies Co., Ltd. Device and method for postprocessing decoded multi-channel audio signal or decoded stereo signal
US9728194B2 (en) * 2012-02-24 2017-08-08 Dolby International Ab Audio processing
US9570081B2 (en) 2012-04-26 2017-02-14 Nokia Technologies Oy Backwards compatible audio representation
CN122531400A (zh) * 2013-02-21 2026-08-07 杜比国际公司 用于参数化多声道编码的方法
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
US9542955B2 (en) * 2014-03-31 2017-01-10 Qualcomm Incorporated High-band signal coding using multiple sub-bands

Also Published As

Publication number Publication date
TW201729179A (zh) 2017-08-16
AU2016370363B2 (en) 2019-11-14
US20170178635A1 (en) 2017-06-22
EP3391369B1 (en) 2020-04-01
AU2016370363A1 (en) 2018-05-24
JP2019502949A (ja) 2019-01-31
BR112018012154A2 (pt) 2018-11-27
EP3391369A1 (en) 2018-10-24
KR20180094905A (ko) 2018-08-24
US10115403B2 (en) 2018-10-30
KR102032668B1 (ko) 2019-10-15
HUE050695T2 (hu) 2020-12-28
JP2020042294A (ja) 2020-03-19
WO2017106041A1 (en) 2017-06-22
TWI696172B (zh) 2020-06-11
ES2803774T3 (es) 2021-01-29
CN108431890B (zh) 2020-03-24
CN108431890A (zh) 2018-08-21
JP6710805B2 (ja) 2020-06-17

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