Patent ID: 7501569
Filing Date: 2009-03-10
Classification: G10H

Abstract:
1. An electronic musical instrument system serving as a musical instrument by interconnecting a plurality of musical apparatuses via an expandable communication connecting portion, wherein each of the plurality of musical apparatuses interconnected via the communication connecting portion has its apparatus information representative of a type of the musical apparatus, one musical apparatus of the musical apparatuses comprising: a connection detecting portion for detecting respective connections with the other musical apparatuses via the communication connecting portion; a connection status verifying portion for obtaining apparatus information from the respective musical apparatuses whose interconnection has been detected by the connection detecting portion, and verifying an actual connection status of the respective musical apparatuses; a rule obtaining portion for obtaining a plurality of path rule information sets provided in correspondence with a plurality of possible statuses in which the plurality of musical apparatuses are interconnected via the communication connecting portion, the path rule information sets specifying paths along which music data is transferred among the musical apparatuses; a rule selecting portion for selecting, from among the path rule information sets obtained by the rule obtaining portion, a path rule information set corresponding to the actual musical apparatus connection status verified by the connection status verifying portion; and a data transferring portion for transferring music data in accordance with a path specified by the path rule information set selected by the rule selecting portion, wherein the actual connection status of the musical apparatuses is represented by first connection information indicating whether or not the respective musical apparatuses possibly connected via the communication connecting portion are actually connected; the possible statuses in which the plurality of musical apparatuses are interconnected are represented by second connection information indicating whether or not the respective musical apparatuses are interconnected; and the rule selecting portion selects a path rule information set provided in correspondence with a musical apparatus connection status represented by the second connection information which matches the first connection information.