[المحترم بقوة]

لو سمحتوا يا اخوان اللي يقدر يترجم لي هذي القطعة وله الشكر

the step from recording sound on magnetic tape to doing the same with video signals is one of increased band width. Early reel-to-reel machines used one-inch wide tape and ade the most of the available band width by moving the tape past the head at high speed.
Unfortunately, this meant that the transport mechanism had to be built to a high specification.