EP3391370C0 - Adaptive kanalreduktionsverarbeitung zur codierung eines mehrkanalaudiosignals - Google Patents

Adaptive kanalreduktionsverarbeitung zur codierung eines mehrkanalaudiosignals

Info

Publication number
EP3391370C0
EP3391370C0 EP16825835.8A EP16825835A EP3391370C0 EP 3391370 C0 EP3391370 C0 EP 3391370C0 EP 16825835 A EP16825835 A EP 16825835A EP 3391370 C0 EP3391370 C0 EP 3391370C0
Authority
EP
European Patent Office
Prior art keywords
coding
audio signal
channel
reduction processing
adaptive
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
EP16825835.8A
Other languages
English (en)
French (fr)
Other versions
EP3391370B1 (de
EP3391370A1 (de
Inventor
Bertrand Fatus
Stéphane Ragot
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.)
Orange SA
Original Assignee
Orange SA
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 Orange SA filed Critical Orange SA
Publication of EP3391370A1 publication Critical patent/EP3391370A1/de
Application granted granted Critical
Publication of EP3391370B1 publication Critical patent/EP3391370B1/de
Publication of EP3391370C0 publication Critical patent/EP3391370C0/de
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP16825835.8A 2015-12-16 2016-12-13 Adaptive kanalreduktionsverarbeitung zur codierung eines mehrkanalaudiosignals Active EP3391370B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1562485A FR3045915A1 (fr) 2015-12-16 2015-12-16 Traitement de reduction de canaux adaptatif pour le codage d'un signal audio multicanal
PCT/FR2016/053353 WO2017103418A1 (fr) 2015-12-16 2016-12-13 Traitement de réduction de canaux adaptatif pour le codage d'un signal audio multicanal

Publications (3)

Publication Number Publication Date
EP3391370A1 EP3391370A1 (de) 2018-10-24
EP3391370B1 EP3391370B1 (de) 2025-11-19
EP3391370C0 true EP3391370C0 (de) 2025-11-19

Family

ID=55646738

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16825835.8A Active EP3391370B1 (de) 2015-12-16 2016-12-13 Adaptive kanalreduktionsverarbeitung zur codierung eines mehrkanalaudiosignals

Country Status (7)

Country Link
US (1) US10553223B2 (de)
EP (1) EP3391370B1 (de)
CN (2) CN108369810B (de)
ES (1) ES3062959T3 (de)
FR (1) FR3045915A1 (de)
PL (1) PL3391370T3 (de)
WO (1) WO2017103418A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107742521B (zh) * 2016-08-10 2021-08-13 华为技术有限公司 多声道信号的编码方法和编码器
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
CN109427337B (zh) * 2017-08-23 2021-03-30 华为技术有限公司 立体声信号编码时重建信号的方法和装置
GB201718341D0 (en) 2017-11-06 2017-12-20 Nokia Technologies Oy Determination of targeted spatial audio parameters and associated spatial audio playback
GB2572650A (en) 2018-04-06 2019-10-09 Nokia Technologies Oy Spatial audio parameters and associated spatial audio playback
GB2574239A (en) 2018-05-31 2019-12-04 Nokia Technologies Oy Signalling of spatial audio parameters
WO2020094263A1 (en) 2018-11-05 2020-05-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and audio signal processor, for providing a processed audio signal representation, audio decoder, audio encoder, methods and computer programs
CN120526780A (zh) * 2020-03-09 2025-08-22 日本电信电话株式会社 声音信号缩混方法、编码方法、缩混装置及程序
CN111332197B (zh) * 2020-03-09 2021-08-03 湖北亿咖通科技有限公司 一种车载娱乐系统的灯光控制方法、装置及车载娱乐系统
JP7537512B2 (ja) * 2020-11-05 2024-08-21 日本電信電話株式会社 音信号精製方法、音信号復号方法、これらの装置、プログラム及び記録媒体
JP7521596B2 (ja) * 2020-11-05 2024-07-24 日本電信電話株式会社 音信号精製方法、音信号復号方法、これらの装置、プログラム及び記録媒体
US12451148B2 (en) * 2020-11-05 2025-10-21 Ntt, Inc. Sound signal refinement method, sound signal decode method, apparatus thereof, program, and storage medium
WO2022097240A1 (ja) * 2020-11-05 2022-05-12 日本電信電話株式会社 音信号高域補償方法、音信号後処理方法、音信号復号方法、これらの装置、プログラム、および記録媒体
ES3055507T3 (en) 2020-12-02 2026-02-12 Dolby Laboratories Licensing Corp Immersive voice and audio services (ivas) with adaptive downmix strategies
EP4243015A4 (de) 2021-01-27 2024-04-17 Samsung Electronics Co., Ltd. Audioverarbeitungsvorrichtung und -verfahren
CN120898244A (zh) 2023-04-13 2025-11-04 奥兰治 用于缩减立体声音频信号声道的优化处理
FR3148316A1 (fr) 2023-04-27 2024-11-01 Orange Traitement optimisé de réduction de canaux d’un signal audio stéréophonique
FR3147898A1 (fr) 2023-04-13 2024-10-18 Orange Traitement optimisé de réduction de canaux d’un signal audio stéréophonique
FR3149160A1 (fr) 2023-05-23 2024-11-29 Orange Traitement optimisé de réduction de canaux d’un signal audio stéréophonique
FR3157767A1 (fr) * 2023-12-22 2025-06-27 Orange Traitement de réduction de canaux d’un signal audio stéréophonique par remise en phase optimisée
FR3157766A1 (fr) * 2023-12-22 2025-06-27 Orange Transition entre deux modes de traitement de réduction de canaux avec contrôle de niveau optimisé.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004042819A1 (de) * 2004-09-03 2006-03-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines codierten Multikanalsignals und Vorrichtung und Verfahren zum Decodieren eines codierten Multikanalsignals
ES2415155T3 (es) * 2009-03-17 2013-07-24 Dolby International Ab Codificación estéreo avanzada basada en una combinación de codificación estéreo izquierda/derecha o central/lateral seleccionable de manera adaptativa y de codificación estéreo paramétrica
KR101756838B1 (ko) * 2010-10-13 2017-07-11 삼성전자주식회사 다채널 오디오 신호를 다운 믹스하는 방법 및 장치
FR2966634A1 (fr) * 2010-10-22 2012-04-27 France Telecom Codage/decodage parametrique stereo ameliore pour les canaux en opposition de phase
CN102446507B (zh) * 2011-09-27 2013-04-17 华为技术有限公司 一种下混信号生成、还原的方法和装置
ITTO20120274A1 (it) * 2012-03-27 2013-09-28 Inst Rundfunktechnik Gmbh Dispositivo per il missaggio di almeno due segnali audio.
EP2830053A1 (de) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mehrkanaliger Audiodecodierer, mehrkanaliger Audiocodierer, Verfahren und Computerprogramm mit restsignalbasierter Anpassung einer Beteiligung eines dekorrelierten Signals

Also Published As

Publication number Publication date
WO2017103418A1 (fr) 2017-06-22
CN108369810B (zh) 2024-04-02
EP3391370B1 (de) 2025-11-19
US20190156841A1 (en) 2019-05-23
PL3391370T3 (pl) 2026-04-20
ES3062959T3 (en) 2026-04-14
US10553223B2 (en) 2020-02-04
CN118366463A (zh) 2024-07-19
CN108369810A (zh) 2018-08-03
FR3045915A1 (fr) 2017-06-23
EP3391370A1 (de) 2018-10-24

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