VIDEOSTUDIO HELPTable of Contents | Index Back 112 CodecCOmpress and DECompress. All video on a computer uses a specialalgorithm or program to process video. This program is called a codec.Color ClipA simple background color used in a movie. It is often used for titlesand credits since they stand out clearly against the solid color.Composite VideoA video signal that combines luminance and chrominance. NTSC andPAL are examples of composite video.CompressionMaking a file smaller by removing redundant data. Nearly all digitalvideo is compressed in some way or another. Compression is achievedthrough a codec.Data RateThe amount of data per second that is transferred from one part ofyour computer to another. In digital video, the data rate of your sourceis very important: CD-ROMs have lower data rates than hard disks.The data rate of the Internet is very low.Device ControlA software driver that allows programs to control video sources like thecamcorder or VCR.DigitalComputer data consisting of ones and zeros. Contrast digitalinformation with analog.DigitizingThe process of converting analog input to a digital form so that it canbe used by the computer.
