W
 

Walla

Background ambience or noises added to create the illusion of sound taking place outside of the main action in a picture.

Washup:

Removing printing ink from a press, washing the rollers and blanket. Certain ink colors require multiple washups to avoid ink and chemical contamination.

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)

Waste:

A term for planned spoilage.

Watermark:

A distinctive design created in paper at the time of manufacture that can be easily seen by holding the paper up to a light.

Watt

A measure of electrical power. The power expended when I ampere of direct current flows through a resistance of I ohm. The unit of electric power required to do work at the rate of 1 joule per second. Calculated by multiplying volts times amperes.

Wave

A regular variation in electrical signal level or sound pressure level. (Sound/Electronics)

Waveform

The shape of an electromagnetic wave. A graphical representation of voltage or current in relation to time.

Waveform monitor

A device used to examine the video signal and synchronizing pulses. An oscilloscope designed especially for viewing the waveform of a video signal.

Waveguide

A system of material designed to direct confined electromagnetic waves in a direction determined by its physical boundaries.

Web DVD

A general term for a DVD-Video disc with web-enhanced DVD content. May include web pages that combine local DVD video with current online content, or dynamic links from the DVD playback to online web content. See also DVD@ACCESS, enhanced DVD.

Web press:

The name of a type of presses that print from rolls of paper.

Web:

A roll of printing paper.

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.

White peak

The maximum excursion of the video signal in the white direction at the time of observation.

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.

Window

Video containing information or allowing information entry, keyed into the video monitor output for viewing on the monitor CRT. A window dub is a copy of a videotape with time code numbers keyed into 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)

Wipe

A transition between two video signals that takes the shape of a geometric pattern. X-Y panel--A routing switcher control panel that uses the X-Y model for making crosspoint selections.

Wire O:

A bindery trade name for mechanical binding using double loops of wire through a hole.

Wire-O binding:

A method of wire binding books along the binding edge that will allow the book to lay flat using double loops. See Wire O.

With the grain:

Folding or feeding paper into the press or folder parallel to the grain of the paper.

Work and tumble:

Printing one side of a sheet and turning it over from the gripper to the tail to print the second side using the same side guide and plate for the second side.

Work and turn:

Printing one side of a sheet and turning it over from left to right ussing the same side guides and plate for the second side.

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.

Wove paper:

 A paper having a uniform unlined surface with a smooth finish.

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.

WYSIWYG

This is a term used by many applications meaning "What You See (on screen) Is What You Get (on the printer)". Of course this is not always strictly true, as testified by some of the questions in the Frequently Asked Questions section!

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