http://www.articleheaven.net en-us editorial@articlealley.com This signifies are 1,280 and 720 frame dimension in pixels and equals with 921,600 pixels per picture. The frame rate (Hz) in 720p is frequently 23.976, 24, 25, 29.97, thirty, fifty, 59.94, sixty, and 72. The p in 720p refers to progressive scanning style... http://www.articleheaven.net/the-variations-in-between-superior-definition-720p-1080i-and-1080p-projector-2195172.html 20th April 2011