DVD

1
DVD

• Digital Versatile Disks

2
History

• The acronym has stood for several things from
  Digital Video Disc to Digital Versatile Disk, but
  today DVD is just DVD.
• Where did it come from?
• In Sept. 1995, ten companies joined together
• Now called the DVD Consortium
• Broad international support across industries

3
Styles of DVDs

• DVD-ROM - read-only discs, similar to CD-ROM (up
  to 17 GB, 200- 600)
• DVD-R - recordable, similar to CD-R (up to 3.9
  GB per side)
• DVD-RAM - rewritable (2.6 GB per side)

4
Styles of DVDs continued

• DVD-Video - movies (up to 9 hours)
• DVD-Audio - music (great for surround sound
  channels)

5
System Requirements needed to run a DVD drive

• Pentium 133Mhz CPU
• 16MB of RAM
• 2MB free hard disk space
• 16-bit SoundBlaster compatible sound card
• Amplified Speakers

• VGA display card
• Microsoft Windows 95 or higher
• 1 open PCI slot on Mother board
• 1 open 5.25-inch drive bay
• MPEG-2 card

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Requirements Continued

• A busmastering EIDE controller (standard on most
  Pentium motherboards)
• EIDE - enhanced IDE technology - Allows 4
  devices on the same controller
• If surround sound playback is desired
• Dolby AC-3 - 5 channel sound
• Dolby ProLogic - 4 channel sound

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Why is an MPEG-2 card required?

• Decompresses the video stream
• Passes the data to the PCs display
• Frees up the CPU
• Decoding is best done by the hardware
• Corrects jerky video playback
• Result
• Optimum video playback

8
What is DVD-ROM?

• Like CDs they are molded with information
  pressed right into the disk
• Meets requests of
• Motion Picture Industry
• Electronic Companies
• Computer Industries
• Broad support across many industries

9
How DVD and CD are alike

• Same diameter - 4.75 in. and 1.2 mm thick
• They sound alike
• They wear alike - durable, and tolerant of dust,
  dirt, and fingerprints

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How DVD and CD are different

• Capacity - 7 to 26 times more data 4.7 - 17 GB
  versus 650 MB - (Major difference)
• Faster data transfer speeds
• Durable quality - raised the standard
• Higher resolution pictures, more channels of
  digital sound, richer graphics, more multimedia
• Multiple languages and subtitles
• Double Sided

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How does it achieve higher capacity?

• Double Sided
• Smaller Pit Length
• Tighter Tracks
• More Efficient Error Correction
• Less Sector Overhead

12
Frequently Asked Questions

• Q Can DVD-ROM drives play/read standard CD-ROM
  disks?
• A Yes, they are backward compatible
• Q Can DVD-Video disks be played on a DVD-ROM
  drive?
• A Yes, with an MPEG-2 card installed
• Q Why should you purchase a DVD-ROM?
• A Safe investment, because backwards compatible

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FAQs Continued

• Q What kind of DVD-ROM titles are available now?
• A
• Interactive multi-media games
• Interactive educational titles
• DVD-Video movies
• Cost 20-25 (Do not wear out)

14
FAQs Continued

• Q What is a DVD-kit and its cost?
• A Includes
• DVD-ROM drive
• EIDE interface
• MPEG-2 PCI card
• Cable/Mounting hardware
• Software and titles
• 170 - 600

15
Whats Next Future of DVD

• By 1999, DVD Market will equal CD-ROM Market
• High end systems have already began using
  DVD-ROMs as a standard
• Pioneer offers the 1st 100-disk Jukebox
• DVD-R (Video-production preprocess)
• Cost - 16,995
• DVD-RAM (Video-camera Desktop consumers)
• Cost - Not Available yet
• Will Replace VCRs in 15 years?