ed or serving as an interface with the user, who will be able to parameterize certain decoding modes, using a keyboard 110 or any other means, such as for example a mouse, the screen 108 also being able to allow the display of the decoded data which underwent the processing according to the invention, [0130] a hard disk 112, [0131] a disk drive 114 adapted to receive a diskette 116, [0132] an inte