Patent ID: 6976267
Filing Date: 2005-12-13
Classification: H04L,H04N

Abstract:
1. A method comprising: preparing capability information of each of a plurality of devices with regard to signal formats; designating a device that ultimately receives a signal; collecting the capability information of every one of the plurality of devices; producing a plurality of possible transmission paths between the receiving device and other devices, based on the capability information collected; identifying a device that transmits a signal and a format of the transmitted signal; selecting one of the plurality of possible transmission paths that matches the transmitting device and the transmitted signal format for a transmission path, issuing commands to the plurality of devices involved in the selected transmission path upon a change of the transmitted signal format; and controlling input/output of the plurality of devices according to the issued commands to establish the transmission path for issuing commands to the plurality of devices involved in the possible selected transmission paths upon a change in signal format and selecting one of an output of a decoder and an analog terminal.