WO2003023759A3 - Systeme de transmission numerique de donnees audio entre un module maitre et des modules esclaves - Google Patents

Systeme de transmission numerique de donnees audio entre un module maitre et des modules esclaves Download PDF

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Publication number
WO2003023759A3
WO2003023759A3 PCT/FR2002/003004 FR0203004W WO03023759A3 WO 2003023759 A3 WO2003023759 A3 WO 2003023759A3 FR 0203004 W FR0203004 W FR 0203004W WO 03023759 A3 WO03023759 A3 WO 03023759A3
Authority
WO
WIPO (PCT)
Prior art keywords
data
master unit
packet
audio data
slave units
Prior art date
Application number
PCT/FR2002/003004
Other languages
English (en)
Other versions
WO2003023759A2 (fr
Inventor
Mirian Marinescu
Yves Ansade
Jeremie Weber
Original Assignee
Digigram
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 Digigram filed Critical Digigram
Priority to JP2003527724A priority Critical patent/JP2005503060A/ja
Priority to CA2459805A priority patent/CA2459805C/fr
Priority to EP02781364A priority patent/EP1425733A2/fr
Priority to AU2002349076A priority patent/AU2002349076B2/en
Publication of WO2003023759A2 publication Critical patent/WO2003023759A2/fr
Publication of WO2003023759A3 publication Critical patent/WO2003023759A3/fr

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
    • G10H1/0041—Recording/reproducing or transmission of music for electrophonic musical instruments in coded form
    • G10H1/0058—Transmission between separate instruments or between individual components of a musical system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/003—Digital PA systems using, e.g. LAN or internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)

Abstract

Le système comporte un module maître (1) et des modules esclaves (2) pouvant être connectés en chaîne et/ou en étoile par l'intermédiaire d'un réseau de communication numérique, par exemple de type Ethernet. Le système est synchronisé sur l'horloge du module maître qui fournit des informations de synchronisation à toutes les trames de données qu'il envoie sur le réseau. Chaque module esclave reconstitue l'horloge à partir des trames qu'il reçoit. Les trames de données comportent des paquets de données, qui peuvent notamment être des données de commande, des données audio ou des données video. Chaque paquet comporte un en-tête décrivant le contenu du paquet. Chaque module esclave sait à quel emplacement d'un paquet se trouvent les données qui lui sont destinées et dans quel emplacement d'un paquet il peut introduire des données.
PCT/FR2002/003004 2001-09-10 2002-09-03 Systeme de transmission numerique de donnees audio entre un module maitre et des modules esclaves WO2003023759A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2003527724A JP2005503060A (ja) 2001-09-10 2002-09-03 オーディオデータをマスタモジュールとスレーブモジュールとの間でデジタル通信網を介して伝送するためのシステム
CA2459805A CA2459805C (fr) 2001-09-10 2002-09-03 Systeme de transmission numerique de donnees audio entre un module maitre et des modules esclaves par l'intermediaire d'un reseau de communication numerique
EP02781364A EP1425733A2 (fr) 2001-09-10 2002-09-03 Systeme de transmission numerique de donnees audio entre un module maitre et des modules esclaves
AU2002349076A AU2002349076B2 (en) 2001-09-10 2002-09-03 System for transmitting digital audio data between a master unit and slave units

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR01/11656 2001-09-10
FR0111656A FR2829655B1 (fr) 2001-09-10 2001-09-10 Systeme de transmission de donnees audio, entre un module maitre et des modules esclaves, par l'intermediaire d'un reseau de communication numerique

Publications (2)

Publication Number Publication Date
WO2003023759A2 WO2003023759A2 (fr) 2003-03-20
WO2003023759A3 true WO2003023759A3 (fr) 2003-11-06

Family

ID=8867106

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2002/003004 WO2003023759A2 (fr) 2001-09-10 2002-09-03 Systeme de transmission numerique de donnees audio entre un module maitre et des modules esclaves

Country Status (8)

Country Link
US (1) US7089333B2 (fr)
EP (1) EP1425733A2 (fr)
JP (1) JP2005503060A (fr)
CN (1) CN100487786C (fr)
AU (1) AU2002349076B2 (fr)
CA (1) CA2459805C (fr)
FR (1) FR2829655B1 (fr)
WO (1) WO2003023759A2 (fr)

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Also Published As

Publication number Publication date
CA2459805A1 (fr) 2003-03-20
US20030050989A1 (en) 2003-03-13
CA2459805C (fr) 2012-11-27
WO2003023759A2 (fr) 2003-03-20
AU2002349076B2 (en) 2007-11-22
EP1425733A2 (fr) 2004-06-09
FR2829655B1 (fr) 2003-12-26
US7089333B2 (en) 2006-08-08
FR2829655A1 (fr) 2003-03-14
JP2005503060A (ja) 2005-01-27
CN100487786C (zh) 2009-05-13
CN1554083A (zh) 2004-12-08

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