ДИСК DVD С ЗАЩИТОЙ ОТ КОПИРОВАНИЯ И СПОСОБ ЕГО ПРОИЗВОДСТВА И ПРОВЕРКИ ДОСТОВЕРНОСТИ

摘要

A copy protected DVD disc and a method for producing a signature on the disc is provided. In an embodiment of the invention, the method for protecting a DVD disc includes producing a signature on the disc by non-destructively altering the content of at least one sector in the data zone of the DVD during encoding so that sector is generally unreadable. A DVD encoder for use in producing the copy protected disc is also provided.