Glossary: E
EBU
European Broadcasting Union. A standards-setting organization in which only users (not vendors) have a voice.
See also AES/EBU.
ECU
Extreme close-up.
edgecode
See edge numbers, key numbers.
edge filter
A filter that applies anti-aliasing to graphics created in the Title tool.
See also anti-aliasing.
edge numbers
Sequential numbers mechanically printed or optically exposed along the edge of a strip of film to assist in matching negatives to work prints.
edit
To assemble film or video, audio, effects, titles, and graphics to create a sequence.
edit controller
An electronic device, often computer-based, that allows an editor to precisely control, play, and record to various videotape machines.
edit rate
In compositions, a measure of the number of editable units per second in a piece of media data (for example, 30áfps for NTSC, 25áfps for PAL, and 24áfps for film).
EDL
Edit decision list. A list of edits made during offline editing and used to direct the online editing of the master.
See also cut list.
effects
The manipulation of an audio or a video signal. Types of film or video effects include special effects (F/X) such as morphing; simple effects such as dissolves, fades, superimpositions, and wipes; complex effects such as keys and DVEs; motion effects such as freeze frame and slow motion; and title and character generation. Effects usually have to be rendered because most systems cannot accommodate multiple video streams in real time.
See also rendering.
EIA
Electronic Industries Association. The largest trade organization that covers the television and audio fields. EIA publishes a catalog of standards; the most important standards to the television and audio industries are the ones developed by its Parts Division and its Consumer Electronics Group.
electronic editing
The assembly of a finished video program in which scenes are joined without physically splicing the tape. Electronic editing requires at least two decks: one for playback and the other for recording.
E-mode
A C-mode edit decision list (EDL) in which all effects (dissolves, wipes, and graphic overlays) are performed at the end.
See also A-mode, B-mode, C-mode, D-mode, source mode.
encoding
1.  The addition of technical data such as timecode, cues, or closed-captioned information to a video recording.
2.  The conversion of RGB S-Video to composite video.
energy plot
The display of audio waveforms as a graph of the relative loudness of an audio signal.
equalization
The balancing of various frequencies to create a pleasing sound by attenuating or boosting specific frequencies within the sound.
event
A number assigned by the editing system to each performed edit. In most computer editing systems, an event defines an action or a sequence of actions performed by the computer in a single pass of the record tape.
extract
To remove a selected area from an edited sequence and to close the resulting gap in the sequence.
eyedropper
A tool for taking a color from a screen image and using that color for text or graphics.

Some features described in Help are available only in Avid Xpress Pro or Avid Xpress DV. For more information about Avid Free DV go to
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