328 Pinnacle Studio 9
Closed GOP: GOP
Codec: Contraction of compressor/decompressor – an
algorithm that compresses (packs) and decompresses
(unpacks) image data. Codecs can be implemented in
either software or hardware.
Color depth: Number of bits delivering the color
information for each pixel. A 1-bit color depth allows
2
1
=2 colors, an 8-bit depth allows 2
8
=256 colors, and a
24-bit depth allows 2
24
=16,777,216 colors.
Color model: A way to mathematically describe and
define colors and the way they relate to each other.
Each color model has its own strengths. The two most
common color models are RGB and YUV.
Color saturation: Intensity of a color.
Complementary color: Complementary colors are
opposite in value to primary colors. If you were to
combine a color with its complement, the result would
be white. For example, the complementary colors of
red, green and blue are cyan, magenta and yellow
respectively.
COM Port: A serial port located on the back of your
computer for attaching a modem, plotter, printer or
mouse to the system.
Composite video: Composite video encodes luminance
and chrominance information into one signal. VHS
and 8mm are formats that record and play back
composite video.
Compression: A method for making files smaller in
size. There are two types of compression: lossless and
lossy. Files compressed with a lossless scheme can be
restored unchanged from their original state. Lossy
schemes discard data during compression, so some
