Bandwidth – The amount of data that can be transferred to or from a graphics card in a given length of time. Typically, when playing back digital video, the write data bandwidth of the VGA card is most important. The amount of bandwidth available is dependent on the type and speed of memory used on the VGA card, on the efficiency of the VGA controller’s hardware, and on the current display mode (because
Chapter (in a DVD title) – Divisions of a DVD title that are defined by the content provider. Chapters normally begin at a particular scene in a movie, and break it down into smaller portions, analogous to tracks on an audio CD. DVD allows random access, and the “Jump to a scene” option in many root menus actually goes to the beginning of a chapter that contains that scene.
Chrominance – The portion of the analog video signal that carries all of the color information (hue and saturation). The chrominance signal (C) is carried as a separate channel on the
(Y) signal to create Composite video.
Color Depth – A representation of how much digital data will be used to encode (digitally represent) a pixel in the display memory. It relates directly to how many colors a pixel can be. An
Composite video – A single video signal that contains all the information (sync, color, and intensity) necessary to form a complete image on a video display or recording machine. A composite signal contains a sync pulse, a color burst and modulated luminance and chrominance subcarriers. Composite video, like
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