Blu-ray Region codes: DVD region codes were introduced to try to give movie studios some control over global distribution for their movie releases. The system wasn’t entirely successful, but the studios have persisted. Though boundaries have changed, Blu-ray too has regional coding.
- The blue laser diode in optical disk drive technology
- DVD Forum and the Blu-ray Disk Association (BDA)
- Blu-ray vs HD-DVD – the war of the blue laser optical disks
- Blu-ray Region Codes
- Blu-Ray – the Hi-Def Blue Laser Disk Technology
- HD-DVD (High Definition Digital Versatile Disk) – blue laser optical disk
- Blu-ray Disks (BD) – blue laser optical disk technology
- Blu-ray region codes – map and explanation