FR2954570B1 - Procede de codage/decodage d'un flux numerique stereo ameliore et dispositif de codage/decodage associe - Google Patents

Procede de codage/decodage d'un flux numerique stereo ameliore et dispositif de codage/decodage associe

Info

Publication number
FR2954570B1
FR2954570B1 FR0959547A FR0959547A FR2954570B1 FR 2954570 B1 FR2954570 B1 FR 2954570B1 FR 0959547 A FR0959547 A FR 0959547A FR 0959547 A FR0959547 A FR 0959547A FR 2954570 B1 FR2954570 B1 FR 2954570B1
Authority
FR
France
Prior art keywords
encoding
decoding
digital stream
stereo digital
improved stereo
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.)
Expired - Fee Related
Application number
FR0959547A
Other languages
English (en)
Other versions
FR2954570A1 (fr
Inventor
Frederic Amadu
Thomas Esnault
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.)
Arkamys SA
Original Assignee
Arkamys 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 Arkamys SA filed Critical Arkamys SA
Priority to FR0959547A priority Critical patent/FR2954570B1/fr
Priority to EP10801652A priority patent/EP2517199A2/fr
Priority to US13/518,993 priority patent/US9111529B2/en
Priority to KR20127019527A priority patent/KR20120109576A/ko
Priority to PCT/FR2010/052671 priority patent/WO2011086253A2/fr
Publication of FR2954570A1 publication Critical patent/FR2954570A1/fr
Application granted granted Critical
Publication of FR2954570B1 publication Critical patent/FR2954570B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
FR0959547A 2009-12-23 2009-12-23 Procede de codage/decodage d'un flux numerique stereo ameliore et dispositif de codage/decodage associe Expired - Fee Related FR2954570B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0959547A FR2954570B1 (fr) 2009-12-23 2009-12-23 Procede de codage/decodage d'un flux numerique stereo ameliore et dispositif de codage/decodage associe
EP10801652A EP2517199A2 (fr) 2009-12-23 2010-12-10 Procede de codage/decodage d'un flux numerique stereo ameliore et dispositif de codage/decodage associe
US13/518,993 US9111529B2 (en) 2009-12-23 2010-12-10 Method for encoding/decoding an improved stereo digital stream and associated encoding/decoding device
KR20127019527A KR20120109576A (ko) 2009-12-23 2010-12-10 스테레오 디지털 스트림을 인코딩/디코딩하기 위한 향상된 방법 및 연관된 인코딩/디코딩 디바이스
PCT/FR2010/052671 WO2011086253A2 (fr) 2009-12-23 2010-12-10 Procede de codage/decodage d'un flux numerique stereo ameliore et dispositif de codage/decodage associe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0959547A FR2954570B1 (fr) 2009-12-23 2009-12-23 Procede de codage/decodage d'un flux numerique stereo ameliore et dispositif de codage/decodage associe

Publications (2)

Publication Number Publication Date
FR2954570A1 FR2954570A1 (fr) 2011-06-24
FR2954570B1 true FR2954570B1 (fr) 2012-06-08

Family

ID=42236429

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0959547A Expired - Fee Related FR2954570B1 (fr) 2009-12-23 2009-12-23 Procede de codage/decodage d'un flux numerique stereo ameliore et dispositif de codage/decodage associe

Country Status (5)

Country Link
US (1) US9111529B2 (fr)
EP (1) EP2517199A2 (fr)
KR (1) KR20120109576A (fr)
FR (1) FR2954570B1 (fr)
WO (1) WO2011086253A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010108803A2 (fr) * 2009-03-25 2010-09-30 Endress+Hauser Conducta Gesellschaft Für Mess- Und Regeltechnik Mbh+Co. Kg Procédé et circuit de transfert de signaux par l'intermédiaire d'une boucle de courant
US9654868B2 (en) 2014-12-05 2017-05-16 Stages Llc Multi-channel multi-domain source identification and tracking
US10609475B2 (en) 2014-12-05 2020-03-31 Stages Llc Active noise control and customized audio system
US9747367B2 (en) 2014-12-05 2017-08-29 Stages Llc Communication system for establishing and providing preferred audio
US9508335B2 (en) 2014-12-05 2016-11-29 Stages Pcs, Llc Active noise control and customized audio system
US9980075B1 (en) 2016-11-18 2018-05-22 Stages Llc Audio source spatialization relative to orientation sensor and output
US10945080B2 (en) 2016-11-18 2021-03-09 Stages Llc Audio analysis and processing system
US9980042B1 (en) 2016-11-18 2018-05-22 Stages Llc Beamformer direction of arrival and orientation analysis system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4991218A (en) * 1988-01-07 1991-02-05 Yield Securities, Inc. Digital signal processor for providing timbral change in arbitrary audio and dynamically controlled stored digital audio signals
US6895093B1 (en) * 1998-03-03 2005-05-17 Texas Instruments Incorporated Acoustic echo-cancellation system
SE0402649D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
BRPI0611505A2 (pt) * 2005-06-03 2010-09-08 Dolby Lab Licensing Corp reconfiguração de canal com informação secundária
US20100303245A1 (en) * 2009-05-29 2010-12-02 Stmicroelectronics, Inc. Diffusing acoustical crosstalk

Also Published As

Publication number Publication date
WO2011086253A3 (fr) 2011-09-09
US20120275608A1 (en) 2012-11-01
FR2954570A1 (fr) 2011-06-24
WO2011086253A2 (fr) 2011-07-21
EP2517199A2 (fr) 2012-10-31
KR20120109576A (ko) 2012-10-08
US9111529B2 (en) 2015-08-18

Similar Documents

Publication Publication Date Title
HK1220564A1 (zh) 視頻編碼方法、視頻信號解碼方法及視頻裝置
FR2954570B1 (fr) Procede de codage/decodage d'un flux numerique stereo ameliore et dispositif de codage/decodage associe
PL3101897T3 (pl) Urządzenie i sposób kodowania ruchomych obrazów, urządzenie i sposób dekodowania ruchomych obrazów, strumień bitów
HK1166906A1 (en) Image signal decoding device, image signal decoding method, image signal encoding device and image signal encoding method
EP2149262A4 (fr) Procédé et appareil de décodage/codage d'un signal vidéo
EP2130374A4 (fr) Procédé et appareil de codage/décodage de signal vidéo
EP2135454A4 (fr) Procédé et dispositif de décodage/codage de signal vidéo
TWI329464B (en) Apparatus and method for encoding / decoding signal
TWI318397B (en) Apparatus and method for encoding and decoding signal
EP2393083A4 (fr) Procédé de codage et de décodage d'un signal audio et son appareil
SI3739883T1 (sl) Postopek in naprava za kodiranje in dekodiranje videosignala
EP2493197A4 (fr) Procédé et dispositif de codage et de décodage vidéo
EP2569947A4 (fr) Procédé et appareil de codage de signal vidéo et procédé et appareil de décodage de signal vidéo
EP2352145A4 (fr) Procédé et dispositif de codage de signal transitoire, procédé et dispositif de décodage et système de traitement
FR2939593B1 (fr) Procede et dispositif de codage video
EP2493198A4 (fr) Dispositif de codage d'image animée, dispositif de décodage d'image animée, système de codage/décodage d'image animée, procédé de codage d'image animée et procédé de décodage d'image animée
HK1175288A1 (en) Signal processing device and method, encoding device and method, decoding device and method
EP2337358A4 (fr) Dispositif de codage d image mobile, dispositif de décodage d image mobile, procédé de codage d image mobile, procédé de décodage d image mobile, programme de codage d image mobile, programme de décodage d image mobile, système de traitement d image mobile et procédé de traitement d image mobile
SI2405426T1 (sl) Postopek kodiranja avdiosignala, postopek dekodiranja avdiosignala, kodirna naprava, dekodirana naprava, sistem za obdelavo avdiosignala, program za kodiranje avdiosignala in program za dekodiranje avdiosignala
EP2661080A4 (fr) Procédé de codage d'informations vidéo et procédé de décodage d'informations vidéo, et appareil les utilisant
EP2041974A4 (fr) Procédé et dispositif de codage/décodage de signal
EP2395503A4 (fr) Procédé de codage et de décodage de signaux audio, et appareil à cet effet
EP2654300A4 (fr) Dispositif de codage d'images animées, dispositif de décodage d'images animées, procédé de codage d'images animées et procédé de décodage d'images animées
EP2126903A4 (fr) Procédé et appareil de codage et de décodage de signaux audio
EP2122614A4 (fr) Procédé et dispositif servant à coder un signal audio et procédé et dispositif servant à décoder un signal audio

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 7

PLFP Fee payment

Year of fee payment: 8

ST Notification of lapse

Effective date: 20180831