What's the meaning of ...

[Nicolaus]

What's the meaning of 'RCE' ( region code enhanced ) ?

Possible that it's the wrong Form , but you can may help me although ?!

[KingJohn]

Regional Coding enhancement (RCE)
It's a digital enhancement added to some Warner Bros and Columbia DVDs to stop region 1 (R1) DVDs from playing on Region-free DVD players.

Difference between Region Coding and RCE
Regional Coding enhancement(RCE) is an additional layer of protection which some studios have placed on select REGION 1 DVDs to prevent them from playing on region-free or multi-region players.

Region Coding is a part of the DVD spec which divides the world into 8 regions:
Region 1: U.S., Canada, U.S. Territories
Region 2: Japan, Europe, South Africa, and Middle East (including Egypt)
Region 3: Southeast Asia and East Asia (including Hong Kong)
Region 4: Australia, New Zealand, Pacific Islands, Central America, Mexico, South America, and the Caribbean
Region 5: Eastern Europe (Former Soviet Union), Indian subcontinent, Africa, North Korea, and Mongolia
Region 6: China
Region 7: Reserved
Region 8: Special international venues (airplanes, cruise ships, etc.)