Toshiba has developed a prototype HD DVD disc that increases the format's storage capacity by 50 percent and brings it much closer to that of the rival Blu-ray Disc, the company said Tuesday.
The new disc has a capacity of 45GB, which is just under the 50GB offered by a dual-layer Blu-ray Disc. The added capacity removes one of the clear advantages Blu-ray Disc held over HD DVD, and gives content producers plenty of space to store longer high-definition movies, or extra content such as trailers, outtakes, or interactive features.
Toshiba accomplished the capacity jump by adding an extra data storage layer to the disc. Each HD DVD layer has a capacity of 15GB and the new disc packs three such layers.
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