DVD-R光盘的预写技术

The Pre-write technology of DVD-R

概述 所谓“预写(Pre-write)”,就是在DVD-R for General (以下简称为DVD-R)光盘的控制数据区(Control data zone)用预写机刻录特殊信息的操作。控制数据区 在光盘的导入区(Lead-in Area)内,起止扇区为02F200h- 02FE00h,共192个ECC Blocks(见图1中阴影部分)。预 DVD-RW,DVD-R(G)

Pre-write is a necessary process when manufacturing DVD-R discs for General. The contents and the purpose of pre-write are described in this paper. Beside this, copy protection technology is introduced compendiously.