Apple Final Cut Pro 6 - Manual (Page 1949)

466 Glossary
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 digital video signals are non-square.
playhead A navigational element in the Viewer and Canvas scrubber bar and in the
Timeline. It corresponds to the frame displayed in the Canvas and the Viewer. You drag
the playhead to navigate through a sequence.
post-production The phase of film or video editing in which all of the production
elements are organized, assembled, and output for the distribution phase.
preset A saved group of settings, such as capture, device control, and sequence
settings. Presets determine properties such as frame rate, editing timebase, and
capture interfaces. Presets are usually defined for particular video formats and
workflows, and can be grouped together into Easy Setups.
Print to Video A command in Final Cut Pro that lets you send clips or sequence to your
video or audio outputs for recording on tape.
proc amp Short for processing amplifier. A specific piece of equipment that allows you
to adjust video levels on output.
program The movie you may create in Final Cut Pro. May consist of multiple
sequences or one or more clips.
project In Final Cut Pro, the file that holds all of the elements of your movie, such as
clips, bins, and sequences. Media files are stored separately from a project file.
proxy Short for approximation. A proxy is a low-quality substitute for a real-time or
rendered effect. Final Cut Pro may generate a proxy instead of a full-quality effect to
enable real-time playback when processor-intensive effects are used.
pull-down insertion The process of adding fields and frames to convert 23.98 or 24 fps
video to NTSC or PAL (29.97 or 25 fps, respectively).
pull-down pattern A method of inserting frames and fields into a video stream to
output 23.98 or 24 fps video to an NTSC or PAL device. See also 3:2 pull-down, 2:3:3:2
pull-down, 2:2:2:4 pull-down, 24@25 pull-down, and 24@25 repeat.
QuickTime Cross-platform multimedia technology from Apple. Widely used for editing,
compositing, CD-ROM, web video, import and export, and more.
QuickTime Streaming The streaming media addition to the QuickTime architecture.
Used for viewing QuickTime content in real time on the web.