DVD-Video dispute between Chinese companies and On2 Technologies, but on December 6, 2006, 20 Chinese electronic firms unveiled 54 prototype EVD players and announced their intention for the format to completely replace DVDs in China by 2008. However, due to a lack of sales, support for EVD has recently been dropped by the Xinhua Bookstore in Wuhan, which was a major supporter of the format. Two competing high-definition (HD) optical-disc formats, HD DVD and Blu-ray, were introduced in 2006. The HD DVD format, promoted by Toshiba, had the backing by the DVD Forum, which voted to make it the official successor
Optical disc was written up in Video Pro Magazine's December 1994 issue promising "the death of the tape", it was never marketed. In the mid-1990s, a consortium of manufacturers (Sony, Philips, Toshiba, Panasonic) developed the second generation of the optical disc, the DVD. Magnetic disks found limited applications in storing the data in large amount. So, there was the need of finding some more data storing techniques. As a result, it was found that by using optical means large data storing devices can be made which in turn gave rise to the optical discs.The very first application of this kind was the