ADS Technologies USB Instant DVD manual Glossary, Analog

86 VIDEOSTUDIO USER GUIDE

Glossary

Analog

A signal that is not digital. Most VCRs, radio/ television broadcasting, AV in/out, S-VIDEO, and stereos are analog. Computers are digital, dealing in ones and zeros. Information from an analog source must be digitized to be used on a computer.

Capture

The recording of video or images to a computer hard disk.

Clip

A short section or part of a movie. A clip can be audio, video, still images or a title.

Codec

COmpress and DECompress. All video on a computer uses a special algorithm or program to process video. This program is called a codec.

Effect

In VideoStudio, an effect is a special computer generated transition between two video clips.

Frame

A single image in a movie.

Frame Rate

The number of frames per second in a video. NTSC video is commonly 29.97 frames per second (fps), but smaller video files can be created on the computer by using lower frame rates, like 15 fps (not suitable for VCD or DVD).

Library (Ulead VideoStudio)

The Library is the repository for all of your media clips. You can store video, audio, titles, or color clips in the Library and instantly retrieve them for use in a project.

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.

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.

Mark In/Out

Points in a clip that have been marked for editing and trimming purposes. A section can be selected from a longer clip by setting its beginning (Mark in) and ending (Mark out).

MP3

Abbreviation of MPEG Audio Layer-3. MP3 is an audio compression technology that produces near CD audio quality at a very small file size, making it transfer quickly over the Internet.

MPEG-1

A standard for video and audio compression used in many products like VCD. For NTSC, its video resolution is 352x240 pixels at 29.97 fps. For PAL, it works at 352x288 pixels at 25 fps.

Digital

Computer data consisting of ones and zeros. Contrast digital information with analog.

Driver

A software program that controls the connection between a specific device and a computer.

MPEG-2

A subset of MPEG-1. It’s a standard for video and audio compression used in products like DVD. For NTSC DVD, its video resolution is 720x480 pixels at

29.97fps. For PAL DVD, it works at 720x576 pixels at 25 fps.

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