Device control apparatus and device control method in video image display system including a plurality of connected devices

摘要

A device control apparatus in a video image display system including a plurality of connected devices. The apparatus includes an obtaining unit which obtains a logical address of a first device connected to the device control apparatus as a control object, a specifying unit which specifies the device type of the first device if the obtained logical address of the first device is not a logical address according to the device type, a selection unit which selects a second device which is connected to the device control apparatus and is of the same device type as the first device, and a control unit which controls a logical address assigned to the selected second device according to the device type thereof so that the first device obtains a logical address.