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

Info

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
Authority
JP
Japan
Prior art keywords
frame
signal
shift value
audio signal
value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2018531322A
Other languages
English (en)
Japanese (ja)
Other versions
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
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2019502949A publication Critical patent/JP2019502949A/ja
Publication of JP2019502949A5 publication Critical patent/JP2019502949A5/ja
Application granted granted Critical
Publication of JP6622410B2 publication Critical patent/JP6622410B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • 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 Active 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 US10115403B2 (en) 2015-12-18 2016-12-08 Encoding of multiple audio signals
US15/372,980 2016-12-08
PCT/US2016/065873 WO2017106041A1 (en) 2015-12-18 2016-12-09 Encoding of multiple audio signals

Related Child Applications (1)

Application Number Title Priority Date Filing Date
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)

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

Family

ID=57708791

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2018531322A Active 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

Family Applications After (1)

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

Country Status (10)

Country Link
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)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2870865C (en) * 2012-04-17 2020-08-18 Sirius Xm Radio Inc. Server side crossfading for progressive download media
CN109074812B (zh) * 2016-01-22 2023-11-17 弗劳恩霍夫应用研究促进协会 用于具有全局ild和改进的中/侧决策的mdct m/s立体声的装置和方法
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
WO2024014586A1 (ko) * 2022-07-15 2024-01-18 엘지전자 주식회사 무선 오디오 수신 장치, 무선 오디오 전송 장치 및 이를 구비하는 무선 오디오 출력 시스템

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102292769B (zh) * 2009-02-13 2012-12-19 华为技术有限公司 一种立体声编码方法和装置
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
JP5681290B2 (ja) * 2010-09-28 2015-03-04 ホアウェイ・テクノロジーズ・カンパニー・リミテッド デコードされたマルチチャネルオーディオ信号またはデコードされたステレオ信号を後処理するためのデバイス
EP2817802B1 (en) * 2012-02-24 2016-12-07 Dolby International AB Audio processing
US9570081B2 (en) 2012-04-26 2017-02-14 Nokia Technologies Oy Backwards compatible audio representation
EP3582218A1 (en) * 2013-02-21 2019-12-18 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
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
US10115403B2 (en) 2018-10-30
TWI696172B (zh) 2020-06-11
WO2017106041A1 (en) 2017-06-22
JP2020042294A (ja) 2020-03-19
AU2016370363A1 (en) 2018-05-24
JP2019502949A (ja) 2019-01-31
EP3391369B1 (en) 2020-04-01
BR112018012154A2 (pt) 2018-11-27
KR20180094905A (ko) 2018-08-24
KR102032668B1 (ko) 2019-10-15
TW201729179A (zh) 2017-08-16
EP3391369A1 (en) 2018-10-24
JP6710805B2 (ja) 2020-06-17
US20170178635A1 (en) 2017-06-22
ES2803774T3 (es) 2021-01-29
CN108431890A (zh) 2018-08-21
HUE050695T2 (hu) 2020-12-28
AU2016370363B2 (en) 2019-11-14
CN108431890B (zh) 2020-03-24

Similar Documents

Publication Publication Date Title
US11094330B2 (en) Encoding of multiple audio signals
JP6710805B2 (ja) 複数のオーディオ信号の符号化
TWI688243B (zh) 時間性偏移估計
US10714101B2 (en) Target sample generation

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180830

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20181226

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20181226

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20181226

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20190226

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20190305

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190604

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20190716

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190926

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20191023

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20191121

R150 Certificate of patent or registration of utility model

Ref document number: 6622410

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250