Blu-ray vs HD-DVD Home
Blu-ray vs HD-DVD
9/03/2006 posted by Kevin S
Similar to a DVD or compact disc, the blu-ray Disc(BD) is capable of storing up to 25GB on Single layer and 50Gb on dual layer as opposed to 4/8GB for DVD and 700Mb for a CD. 2. Why is it called Blu-ray ? Because the laser used to read the data from the disc is blue-violet in colour. 3. How much Video can fit on a BD ? Around 23 hours of Standard definition(SD) video on a dual layer 50GB disc or 9 hours of High definition(HD) video. 4. What video formats will BD use ? MPEG2 and MPEG4, with SMPTE VC-1 which is based on Microsoft WMV format. 5. Blu-ray and PS3 The new Playstation 3 (PS3) from Sony will utilise the Blu-ray format. This will mean much greater storage capacity for games. HD-DVD the facts: 1. What it stands for ? High Definition DVD. 2. What is it ? A digitial optical media simliar in size to a DVD or CD. Each HD-DVD disc can contain 15GB in a single layer or 30GB in a dual layer. A blue laser is used, similar to the the blu-ray format. 3. What video formats will DB use ? The HD-DVD system, wil support MPEG2, MPEG4 and the Microsoft VC1 format( WM9 WMV). 4. Blu-ray and the XBox 360 The new Xbox 360 from Microsoft will most likely gain an external HD-DVD disc module so that it can compete effectively with the Sony PS3 Blu-ray based console. |