Information playback apparatus and information playback method

An information playback apparatus comprising:

• a storage module configured to store a vendor table including a formal vendor ID of a self apparatus and one or more registered vendor IDs, and vendor commands respectively associated with the formal vendor ID and the registered vendor IDs;
• a connection module configured to connect a partner device so as to transfer video data, audio data, and vendor commands;
• a detection module configured to detect a vendor ID of the partner device connected via the connection module;
• a vendor ID control module configured to compare the formal vendor ID and the registered vendor IDs included in the vendor table with the vendor ID of the partner device, and to transmit either one of the formal vendor ID of the self apparatus and a temporary vendor ID of the self apparatus selected from the registered vendor IDs to the partner device;
• and
• an operation control module configured to control an operation by interpreting a vendor command from the partner device, which is input via the connection module, based on the vendor ID of the partner device with reference to the vendor table.