Appendix 1
Blu-ray and HD-DVD Format Information 
However, there is a catch with regards to high definition DVD recording and playback; up until 2008, there has been two competing formats that were incompatible with each other. 
Blu-ray Format Support 
Blu-ray is supported on the hardware side by Apple, Denon, Hitachi, LG, Matsushita (Panasonic), Pioneer, Philips, Samsung (also supports HD-DVD), Sharp, Sony, and Thomson (Note: Thomson also supported HD-DVD). 
On the software side, Blu-ray is supported by Lions Gate, MGM, Miramax, Twentieth Century Fox, Walt Disney Studios, New Line, and Warner. However, as the result of the discontinuation of HD-DVD, Universal, Paramount, and Dreamworks are now on board with Blu-ray. 
HD-DVD Format Support 
HD-DVD has been supported on the hardware side by NEC, Onkyo, Samsung (also supports Blu-ray) Sanyo, Thomson (Note: Thomson also supported Blu-ray), and Toshiba. 
On the software side, HD-DVD has been supported by BCI, Dreamworks, Paramount Pictures, Studio Canal, and Universal Pictures, and Warner (only until May 2008 - at which time it will be Blu-ray exclusive). Microsoft had also lent its support to HD-DVD, but no longer, as Toshiba has ended HD-DVD support. 
(Silva, 2008)Appendix 1
Blu-ray and HD-DVD Format Information 
However, there is a catch with regards to high definition DVD recording and playback; up until 2008, there has been two competing formats that were incompatible with each other. 
Blu-ray Format Support 
Blu-ray is supported on the hardware side by Apple, Denon, Hitachi, LG, Matsushita (Panasonic), Pioneer, Philips, Samsung (also supports HD-DVD), Sharp, Sony, and Thomson (Note: Thomson also supported HD-DVD). 
On the software side, Blu-ray is supported by Lions Gate, MGM, ...