What is DVD-18?

Posted by Nigel Pond [SysOp] [IP: 206.241.18.4] on April 21, 1999 at 14:33:25
Using Mozilla/4.0 (compatible; MSIE 5.0; MSN 2.5; Windows 95):

In Reply to: What is DVD-18? posted by Clarissa Aramiz on April 21, 1999 at 14:01:09:

: Hi!!!

: Can any one tell me what is DVD-18?

: Thanks

Sure Clarissa. DVD-18 is the official name for a dual sided, dual layer disc. Early DVD-video discs were "flippers" where the movie was on two sides, one layer per side. Most discs now are "RSDL" - reverse spiral, dual layer, where the movie is on one side only but that side contains 2 layers of data - the laser gets to the end of the layer and refocuses to the other layer - hence the short delay while it does so. On a DVD-18 disc, data will be on 2 layers on each side of the disc, so the disc will hold huge amounts of data.

Nothing has been released in this format yet because the techies are supposedly still refining the manufacturing/pressing of such discs. Rumour was that Titanic would be the first movie to use this format so that movie and extras would fit one one disc. Last I heard was that James Cameron had dropped that idea and it would be a double disc set. DVD-18 discs should be compatible with all DVD-Video players.

Follow Ups:

• What is DVD-18? - Chris Jensen 20:24:13 04/24/99 (1)
  • What is DVD-18? - Nigel Pond [SysOp] 11:14:29 04/25/99 (0)

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