====== DVD and Blu-ray Comparison ======

  * [[http://www.videohelp.com/dvd|What is DVD?]]
  * [[http://www.videohelp.com/hd|What is Blu-ray Disc, AVCHD, and HD DVD]]
==== DVD ====

  * 720x480 (NTSC), 720x576 (PAL)
  * MPEG1, MPEG2
  * Video ~7000 Kilobits/second
  * MP1, MP2, AC3, DTS, PCM
  * Audio ~448 Kilobits/second
  * H.264 profiles: 2.2 (? not sure), 3.0, 3.1 (not 3.2 because its minimum is 720p)
  * Color: SMPTE170M

==== Blu-ray ====

  * 1920x1080, 1280x720
  * H.264 4.1, VC1, MPEG2
  * Video ~30 Megabits/second