3D Images that appear to have three dimensions, height, width and depth.
3DTV Televisions that are designed specifically for showing 3D programming. Viewers must watch the images through high-precision 3D glasses, which open and close the left and right shutters in synchronization with the alternating images.
720p This HDTV format has 720 scan lines and uses progressive scanning. The 720p format is best for fast-moving motion scenes.
1080i This HDTV format has 1080 scan lines and uses an interlaced scanning system. The 1080i format has a sharper image than the 720p format.
1080p This HDTV format has 1080 scan lines and uses a progressive scanning system. It is often referred to as full HD.
Acoustics Higher-frequency sound waves travel ...