(Phase Alternating Line) This system is the European color TV broadcasting standard, consisting of 625 lines per frame, running at 25 frames per second and 720x576 pixels per frame.
See also [NTSC]
particle cell
A primary motion graphics object that is multiplied through a particle emitter to create a special effect such as a dust cloud, fire, snow, or falling leaves.
particle emitter
A generator that multiplies a particle cell to achieve motion graphics effects; for example, turning a drop of rain into a storm. You can modify the shape over which particles are emitted, as well as apply behaviors to particle cells or the emitter itself. Particle emitters are organized into categories and are located in the Library.
PICT
The native still-image file format for Macintosh developed by Apple Computer. PICT files can contain both vector images and bitmap images, as well as text and an alpha channel.
pixel
Short for picture element. One dot in a still image or within a video clip.
pixel aspect ratio
The width-to-height ratio for the pixels that compose an image. Pixels on computer screens and in high-definition video signals are square (1:1 ratio). Pixels in standard-definition video signals are nonsquare.
play range
A defined portion of a larger motion graphics project. A play range can be isolated in the Canvas with In and Out points.
playhead
A navigational element on the scrubber bar that shows you the frame you are on in the Timeline, Canvas, Keyframe Editor, or Audio Editor. You can drag the playhead to navigate through a sequence.
postproduction
The phase of film, video, and audio editing that begins after all the footage is shot.
preset
A portion of a Motion project saved into the Favorites section of the Library.
