DVD: An Introduction to the Medium

DVD

• "Digital Versatile Disc", previously "Digital Video Disc”

• an optical disc storage media format

Uses for DVD disc

• Entertainment• For playback of movies• For playback of musical recordings

• For Education• For Data Storage

Types of DVD’s

• DVD-5 single layered, single sided disc– Holds up to 4.7Gb of data *

• DVD-9 single sided, dual layered disc• Hold up to 8.54Gb of data *

• DVD-5 can hold up to 2 hours of video• DVD-9 can hold up to 4 hours of video

DVD-R (dvd dash r)

• Compatible with most players and recorders *

• DVD-RW rewritable format of dvd-r

DVD+R (dvd plus r)

• Is believed to have the same compatibility as dvd-r*

• DVD+RW rewritable

The DVD Video Specification

• Allows up to 99 tracks of content– Allows you to create a wide variety of

video, audio, languages, and subtitles

• Slideshows: allow up to 99 still images• Menus:multiple menus with up to 36

buttons per menu• Scripting: allows added functionality and

interactivity

DVD Video File Formats

• Video: MPEG-2, MPEG-1• Audio: PCM(Pulse Code Modulated)

AC-3 (Dolby Digital) MP2 DTS (Digital Theater System)

• Still Images (Tiff, Pict, Jpg, Bmp, Tga, Psd) must be converted to Mpeg-2

• Subtitle: STL, SON, SRC, TXT• Markers TXT