Apple LiveType 2 - Manual (Page 143)

143
Glossar
y Glossary
16:9 A widescreen aspect ratio for video. The ratio of the width to the height of the
visible area of the video frame, also called the picture aspect ratio, is 16:9, or 1.78.
alpha channel An additional image channel used to store transparency information for
compositing. Alpha channels are often 8-bit, but some applications support 16-bit
alpha channels. Only certain formats, such as PICT and the QuickTime Animation codec,
support alpha channels.
aspect ratio A video frame’s width-to-height ratio on your viewing screen. The most
common aspect ratio is 4:3, used for common television screens.
AVI Acronym for Audio-Video Interleaved, Microsoft’s standard format for digital video.
Bezier handles Two-direction handles that control or influence the curve of the line
segment between the handle and the next point on either side. The farther a direction
handle is pulled out from its vertex point, the more force it applies to its line segment
to bend or curve it. Direction handles are moved by dragging them.
bin In Final Cut Pro, the window that contains your clips, transitions, effects, and
generators. The bin lets you organize all of these elements, sort them, add comments,
rename items, and so on.
Canvas One of the four main windows in the LiveType interface, where you position
text and objects, create motion paths, and view the results as you design.
channels May refer to color channels or alpha channels. Color and transparency
information for video and graphics clips is divided into individual channels.
CMYK Abbreviation for Cyan Magenta Yellow Black. The color space commonly used
for images that will be printed with 4-color ink on offset presses.
codec Short for compressor/decompressor. A software component used to translate
video or audio between its uncompressed form and the compressed form in which it is
stored. Sorenson Video and Cinepak are common QuickTime video codecs. Also
referred to as a compressor.