Tag Archives: dual-layer disc

What’s a dual-layer disc? Will it work in all players?

Dec 30th, 2009by dvdxplayer 2,276 views |1 Comments

A dual-layer disc has two layers of data, one of them semi-transparent so that the laser can focus through it and read the second layer. Since both layers are read from the same side, a dual-layer disc can hold almost twice as much as a single-layer disc, typically 4 hours of video. Read More »