INTERFACE DEVICE

摘要

An interface device according to an embodiment of the present invention includes a signal input terminal which receives input signals and outputs control signals; a channel selection part which selects one of the control signals outputted from the signal input terminal and outputs the same; a digitizer which converts the outputted control signal selected by the channel selection part into a digital signal; and a control part which controls the signal input terminal or the digitizer according to the signal characteristic of an input signal corresponding to the control signal selected by the channel selection part.