Before revision: These producers have to pay US15–20 per player in license fees, to the patent holders of the DVD technology (Sony, Philips, Toshiba and Time Warner ) as well as for MPEG-2 licenses.
After revision: These producers have to pay US15–20 per player in license fees, to the patent holders of the DVD technology (Sony, Philips, Toshiba ) as well as for MPEG-2 licenses.