AUDIO NETWORK SYSTEM

PROBLEM TO BE SOLVED: To automatically change routes with simple control when a failure occurs in an audio network system. SOLUTION: In an audio network system composed of a main node and a plurality of satellite nodes each having a plurality of ports, the main node generates and transmits a main packet including audio signals of a plurality of channels. Each satellite node selects one of the plurality of ports in turn and confirms whether the main packet arrives at the selected port every predetermined period. When the main packet arrives via the selected port for every predetermined period, the main packet is received via the port by continuing selection of the port. When reception of the main packet is lost, one is selected from among the plurality of ports in turn, the operation to confirm the arrival of the main packet is restarted, and another port at which the main packet arrives at the present stage is automatically found. COPYRIGHT: (C)2010,JPO&INPIT