#DVD COPY PROTECTED DVDS SOFTWARE#
ProtectDISC Software Adds unique digital signature to the CD or DVD that cannot be transferred from copy to copy. LaserLock Includes hidden directory on the CD containing corrupted data which will cause errors while being copied. DVD region code Restricts region where media can be played by matching region number with configuration flag in DVD players. DVD-Cops See CD-Cops in previous section. Burst Cutting Area Writing barcode in circular area near the center of the disc (referred to as burst cutting area) which cannot be written without using special equipment. Sony ARccOS Protection Inserting corrupted sectors in areas where normal players will not access but ripping software does to trigger errors during replication. Commercial DVD protection schemes Analog Protection System Adds pulses to analog video signals to negatively impact the AGC circuit of a recording device so the images on copied DVDs becomes garbled. However, twin sectors may be hard to read in order to copy but are easy to write. TAGES Verifies authentic copy by checking existence of "twin sectors" which are sectors with same logical address but different data.
#DVD COPY PROTECTED DVDS INSTALL#
StarForce Asks for Serial ID at install or startup to verify the license.
SecuROM Limits the number of PCs activated at the same time from the same key. Also used to implement trial editions of programs. SafeCast The encryption key will expire after pre-determined date so the media can be used only temporarily. SafeDisc (versions 1-5) Adds unique digital signature at the time of manufacturing which is designed to be difficult to copy or transfer so that software is able to detect copied media. 3 Commercial Audio CD/DVD protection schemesĬommercial CD protection schemes CD-Cops Requires the user to enter CD-code (or reads embedded CD-code) that describes geometry of CD to correctly locate data on the disc.
0 kommentar(er)
