A Japanese company has revealed details about a new CD copy protection scheme, which is aimed at eliminating CD piracy:
"...A visible circle is added to the CD, with which users can distinguish between an original and a pirated copy at a glance. Several checks are added in order for the software to be able to check the files in the visible circle, and when not found the application denies to function. The files which are located inside the visible circle cannot be copied, since the circle origin cannot be exactly replicated on known CD-R media. It takes many hours for a CDRW to read the Ring PROTECH protected CD, and eventually it will malfuction..."