DVD — Much More than Just Another Movie Format

1. DVD — Much More than Just Another Movie Format ETT 555 Media Design: Multimedia With special thanks to Ken Reed, formerly with Pioneer New Media Technologies, Inc.

2. What is DVD? • A laser optical technology ~ CD • Large (massive?) storage capacity • Very high quality video & audio • Text and images • What’s in a name?? • Digital Videodisc • Digital Versatile Disc • DVD

3. DVD Physical Characteristics Same diameter & thickness as a CD 120mm (4.7”) 1.2mm

4. DVD Physical Characteristics Can be double-sided DVD Compact Disc 0.6mm 1.2mm 0.6mm & Dual Layer!

5. How Dual Layering Works Disc Substrate To play layer two, laser is focused on second layer through the first one Partially Reflective Metal Layer Transparent Bonding Layer Fully Reflective Metal Layer

6. Replicated DVD Disc Capacity

7. The Latest DVD Technologies • Dual Layer PC Recorders • Just coming along • Pricing & compatibility? • Media availability and cost? • Blue Laser Technology • Multiple, incompatible formats! • Shorter wavelength = greater density • “Blu-ray” = 23-27GB, single layer • HD-DVD = 15GB/30GB, single/dual spec

8. DVD Concepts • DVD Video • DVD-ROM • DVD Media • DVD-RW • DVD+RW • DVD-RAM • DVD-Audio

9. DVD Hardware • DVD Video • Portable & set top video players • Desktop & notebook computers • DVD-ROM • Computers only • Data discs • DVD-recorder / “burner” • Computer • Stand alone (example)

10. DVD Media Types • DVD Media • Parallels CDs • R = (Recordable - Once) • RW = (Re-writable)

11. DVD Media Standards • DVD-RW • First to market • Pioneer, Apple, Compaq • DVD+RW • Claims best defect management • HP,Sony,Thomson,Dell,Phillips,Yamaha

12. DVD Media Standards • DVD-RAM • Disc in a case, originally • Now, with or without • Typically, not for regular players • Re-writable 100K x vs 1K for RW • Combo DVD-RAM + DVD± drives • Matsushita, Gateway

13. DVD Applications • DVD-Data (ROM) • Ideal for backups? • DVD-Audio (Massive Storage) • ca. 7 hrs per side / layer @ CD quality • Higher quality possible • Still rare, but coming • DVD Video (Interactive Video) • Movies with “extras”

14. DVD-Video Features • Video: High quality, High capacity • Full motion, full screen, MPEG2 • 2+ hours (1 side, 1 layer) • Audio: High quality, High capacity • Up to 8 audio streams • Multiple languages, audiences, grade levels, etc. • Cf. laserdiscs

15. DVD-Video Features Sub-Picture Streams • Up to 32 sub-picture streams • Used for sub-titles or closed-captions • Graphic overlays to highlight video • Text annotations to video content • On-screen buttons

16. DVD-Video Features Multiple Angles • Up to 9 parallel video paths • Provide alternate views of technical procedures or science experiments • Switch to different video scenarios based on user input • Strong potential for visual learning

17. DVD-Video Features Integrated Interactive Capabilities • Navigation & branching • On-screen buttons for user (function) interface • Non-linear playback of multimedia content • Interactive switching of audio, angles, sub-pictures, etc.

18. DVD Hardware for Education • Home entertainment DVD players • Lack durability for interactivity • Lack easy-use control • Computer DVD drives lack versatility • On screen remote control • Less universal (notebook vs desktop) • Industrial grade players are the ideal • Parallel laserdisc players

19. Pioneer DVD-V7400

20. Benefits of an Industrial Player • Highest Level of Flexibility • No need for computer • Interactivity • in the menus of the DVD • via computer control (cf. laserdiscs) • System remote provides simple & easy Menu Navigation

21. Industrial Players • User Interface Options: • Standard Remote • Mouse / Trackball • Touchscreen • Barcode • RS-232

22. Special Features of DVD-V7400 • Video Blackboard • Annotate video • Excellent for Instruction • Internal Memory (non-volatile) • Save Text or Graphics generated by Video Blackboard • Save “clips” in non-linear play sequence

23. Pioneer Education Products • DVD Bundles (sold out) • DVD-V7400 Player • Barcode Reader • IMAX Discs w/ Barcoded Workbooks • “Africa the Serengeti” • “Tropical Rainforests” • “Antartica” • “Whales” • Barcode Creation • DVD Bar’N Coder (Windows)

24. Creating your own DVD!! Prepare multimedia content • Create digital video files on a robust computer • Create audio tracks as needed • Create graphics files for Menus, Subtitles, etc. Proceed to authoring step

25. Authoring Tools • Authoring Systems range from $00 to $50K • Sonic Solutions • MyDVD, DVDit • Apple • iDVD, DVD Studio Pro • ULead DVD MovieFactory • Be wary of claims! • Prices down, usability up

26. Creating your own DVD!! Authoring • Takes up to 4 Data Streams and creates one “interleaved” stream • Encoded MPEG2 Video (DVD specs) • Encoded Digital Audio • Graphics • “Programming” • Links buttons to media • Test and revise (on hard drive)

27. Creating your own DVD!! • Process the application • Convert to DVD spec files • Burn files onto a DVD disc usingDVD burner • Onto a CD-R also possible!! • Most practical for schools? • (Send to Replicator for quantity) • Not from basic burners

28. Creating the DVD Disc • Professional Creator / Burner • e.g., Pioneer PVR-LX1 • External burner • Street Price ~ $4000 • Discs can be sent to replicatorsas Masters

29. Creating the DVD Disc • Low-end DVD Burner • Internal Drives • Street price: $50-500 • Various brands / formats • Discs cannot be sent to replicators as Masters

30. Sample DVD Products

31. Creating the DVD Disc • Preconfigured systems • Macintosh with “SuperDrive” • Upgrade to DVD Studio Pro ($900?) • Can upgrade encoder for about $3000 • Real Time Encoding

32. Creating the DVD Disc • Preconfigured systems • Compaq Presario • Sony Vaio • Dell & Gateway • Non-linear Editors “Print to DVD” • Casablanca Kron

33. DVD — Much More than Just Another Movie Format RELEVANT WEBSITES: www.pioneerelectronics.com (“Business Products” Section) www.tools4teachers.com Both links are live on the 555 web site