Patent ID: 7991897
Filing Date: 2011-08-02
Classification: G10H,H04L

Abstract:
1. A communication management system for performance data comprising: a plurality of electronic musical apparatuses transmitting/receiving performance data to/from one another over a peer-to-peer network; and a communication management device managing the transmission/reception of the performance data among the plural electronic musical apparatuses, wherein said communication management device comprises: a memory that stores, as information on a session or sessions for the transmission/reception of the performance data, identification data of the electronic musical apparatuses belonging to the session; and a session information notifying device that, when an electronic musical apparatus designates a communication partner to request to join a session, a) determines whether the communication partner belongs to one of the session(s) from the information stored in the memory; and b) stores the identification data of the requesting electronic musical apparatus into the memory as identification data of the electronic musical apparatus belonging to the target session, c) allocates a channel different from channels allocated to the other electronic musical apparatuses in the target session, d) notifies the requesting electronic musical apparatus of the allocated channel together with the identification data of the electronic musical apparatuses belonging to the target session and channels used by the electronic musical apparatuses belonging to the target session as the session information, and e) notifies each of the electronic musical apparatuses belonging to the target session other than the requesting electronic musical apparatus of the identification data of the requesting electronic musical apparatus, the channel allocated to the requesting electronic musical apparatus, and information on setting in a tone generator of the requesting electronic musical apparatus notified by the requesting electronic musical apparatus, as the session information, and wherein each of said electronic musical apparatuses comprises: