further connected via another communication i f 70 to the second lan port 22 this allows the controller 61 to exchange information via the communication i f 70 with each device see fig1 connected to the second lan port 22 the controller 61 is further connected via a usb i f 71 to the usb port 23 this allows the controller 61 to exchange information via the usb i f 71 with each device see fig1 connected to the usb port 23 the controller 61 is further connected via an i link port 72 to the i link port 24 this allows the controller 61 to exchange information via the i link i f 72 with each device see fig1 connected to the i link port 24 the receiver 11 further includes a transfer controller 73 which controls the transfer of video and audio signals a discrete encryption decoder 81 which encrypts the video and audio signals received from the signal processor 47 with the use of a discrete key and a disk drive 82 such as a hard disk drive which receives an output of the discrete encryption decoder 81 alternatively the disk drive 82 may preferably be a large scale memory or any other information storage region the controller 61 also includes a register 80 which registers a recording reproducing apparatus over the network to which the contents information transmitted from the digital television broadcast receiver 11 is stored fig3 illustrates an external view of the remote.