Walla:
Background ambience or noises added to create the illusion of sound taking place outside of the main action in a picture.
Waste:
Shining a light on an object, then slowing turning the light away so that some of the light will miss or fall off the object. (Lighting)
Wave:
A regular variation in electrical signal level or sound pressure level. (Sound/Electronics)
Wedges:
Wood wedges cut from 2x4 lumber which is used for leveling and stablizing. (Grip)
Western Dolly:
A plywood dolly, with four large soft tires, which is used as a camera dolly on smooth floors or on plywood. It is also used to transport other equipment. (Camera/Grip)
Whip:
A section of feeder cable siamesed off the main line to a secondary location. (Grip/Lighting)
White noise:
A signal having an equal amount of energy per hertz.
Widescreen:
A general term for film presentation in which a film is shown in an aspect ratio of greater than 1.33 to 1. In today's terms, this now means in an aspect ratio of greater than 1.85 to 1.
Wild Line:
A line of dialoge, recorded either on set or at a looping stage, without any picture running.
Wild Track:
Audio elements that are not recorded synchronously with the picture.
Wipe:
An optical transition effect in which one image is replaced by another with a boundry edge that moves in a selected pattern across the frame. (Laboratory)
Workprint:
Any positive duplicate picture, sound track print, or magnetic duplicate which is intended for use in the editing process. (Film Editing)
Workstation:
This term generally refers to a disk-based audio recording and editing system.
Wow:
Repetitive but slow variations in recording or playback tape speed.
Wow and Flutter:
The deviation of frequency resulting from irregular motion in the
recording or from deformation of the recording medium. (Acoustics)
Wrap:
The span of the tape path along which the tape and head are in contact. (Audio/Video) More often, this refers to securing equipment at the end of the day or when work is completed at a particular set or location.