A Table Comparison

A Table Comparison Indicators

Blue ray

Laser wavelenght

405 nm (blue-violet laser)

650 nm (red laser)

Numerical apeture

0.85

0.65

0.6

25/50 GB

15/30 GB

4.7/8.5 GB

Raw data transfer

53.95 Mbit/s

36.55 Mbit/s

11.08 Mbit/s

Audio+Video+Subtitles

48.0 Mbit/s

30.24 Mbit/s

10.08 Mbit/s

Video

40.0 Mbit/s

29.4 Mbit/s

9.8 Mbit/s

Storage capacity (single side) Maximum bitrate

per layer / maximum

Mandatory video codecs

HD DVD

H.264/MPEG-4 AVC/VC1/MPEG-2

DVD

MPEG1/MPEG-2

A Table Comparison Indicators Audio codecs

Lossy

Lossless

Blue ray

HD DVD

DVD

Dolby digital

640 kbit / s

504 kbit / s

448 kbit / s

DTS

1.5 Mbit/s

Dolby digital Plus

1.7 Mbit/s

3.0 Mbit/s

DTS-HD High Resolution

6.0 Mbit/s

3.0 Mbit/s

Linear PCM Dolby TrueHD DTS-HD Master Audio

Secondary video decoder

1.5 Mbit/s

A Table Comparison Indicators

Blue ray

HD DVD

DVD