However, Sony’s Playstation division would allow it to perform a pincer attack from two different major entertainment markets. Sony knew that studios were concerned about piracy, and the additional focus on Blu-ray copy protection is likely why it received strong studio support. Some companies hedged their bets by supporting both formats. On the HD-DVD side were Universal Studios, Paramount, Warner, The Weinstein Company, Dreamworks, and New Line Cinema. This included Disney, Miramax, Touchstone, Warner, Paramount, and Lions Gate.
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Its position as a movie studio and general entertainment giant helped put the nail in the HD-DVD coffin much more effectively than any technical differences between the formats.Įarly in the format war, Sony convinced several studios to join its own studio division supporting Blu-ray. Sony was the major developer and proponent of Blu-ray. On the Blu-ray side, Sony was the main proponent, which would prove to be the major deciding factor regarding who would win. Toshiba was the main manufacturer putting its money on HD-DVD, though major optical disc players such as HP, NEC, Canon, and Ricoh also supported the technology. Blu-rays offered higher levels of durability but would be more expensive to make. On the other hand, HD-DVDs would have the same materials and level of scratch resistance as existing DVDs. This meant that relatively minor re-tooling would be needed to shift from DVD to HD-DVD production. HD-DVD was developed by the DVD Forum as a direct successor to DVDs, so it builds on the same technology. That’s a significant difference, and coupled with a notably lower data transfer rate for HD-DVDs, it meant that better-quality video and more additional content were possible on Blu-ray compared to HD-DVD. HD-DVDs can store 15GB of data, whereas Blu-ray discs can store 25GB of data.
The biggest difference between HD-DVDs and Blu-ray discs is the amount of data stored on each layer.
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