User guide

VIDEOSTUDIO HELP
Table of Contents | Index Back 112 
Codec
COmpress and DECompress. All video on a computer uses a special
algorithm or program to process video. This program is called a codec.
Color Clip
A simple background color used in a movie. It is often used for titles
and credits since they stand out clearly against the solid color.
Composite Video
A video signal that combines luminance and chrominance. NTSC and
PAL are examples of composite video.
Compression
Making a file smaller by removing redundant data. Nearly all digital
video is compressed in some way or another. Compression is achieved
through a codec.
Data Rate
The amount of data per second that is transferred from one part of
your computer to another. In digital video, the data rate of your source
is very important: CD-ROMs have lower data rates than hard disks.
The data rate of the Internet is very low.
Device Control
A software driver that allows programs to control video sources like the
camcorder or VCR.
Digital
Computer data consisting of ones and zeros. Contrast digital
information with analog.
Digitizing
The process of converting analog input to a digital form so that it can
be used by the computer.