Differences

This shows you the differences between two versions of the page.

--- dvd_and_blu-ray_comparison [2014/02/23 07:11] – created beandog
+++ dvd_and_blu-ray_comparison [2025/04/21 06:16] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 ====== 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]]
+  * [[https://en.wikipedia.org/wiki/Optical_storage_media_writing_and_reading_speed|Wikipedia Optical storage media writing and reading speed]]
 ==== DVD ====
-  * 720x480; 720x576
+  * 720x480 (NTSC), 720x576 (PAL)
-  * MPEG1, MPEG2
+  * MPEG1 or MPEG2 video codecs
-  * Video ~7000 Kilobits/second
+  * Video ~1.38 MBs/second
-  * MP1, MP2, AC3, DTS, PCM
+  * MP1, MP2, AC3, DTS, PCM audio codecs
   * 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, VC1, MPEG2
+  * H.264 4.1, VC1, MPEG2
-  * Video ~30 Megabits/second
+  * Video ~4.5 MBs/second

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