DVD

1
DVD

• Brännström Nicklas
• Byström Andreas
• Holmgren David

2
History
3
DVD

• Digital Video Disc
• Digital Versatile Disc

4
The Disc

• Laser wavelength 650 and 635 nm
• Smaller grooves

5
Twin layers
6
Compression
7
MPEG2

• Remove 97
• Variable compression rate 0-10 MBits/s

8
Future
Will replace VCR when recording feature reaches
homes

• Digital
• Lifetime
• Capacity
• Multi language
• Cheaper

Future features

• Interactive movies