Glossary

8K videos | Nearly 8,000 pixels wide, 8K native resolution is 7680 x 4320 pixels, which equates to 33,177,600 total pixels. By comparison, 4K, also called ultra HD or UHD for short, is approximately 4,000 pixels wide with 8.3 million total pixels.

Amphitheater | An open circular or oval building with a central space surrounded by tiers of seats for spectators, for the presentation of dramatic or sporting events.

Artificial intelligence | Intelligence—perceiving, synthesizing, and inferring information—demonstrated by machines, as opposed to intelligence displayed by non-human animals and humans.

Audio playback | Using pre-recorded media to play music or sound effects to the audience.

Blackouts | Turning off all light onstage, creating darkness.

Blended | When multiple images or videos are layered on top of each other but both can be seen at the same time.

Cable drum | A metal cylinder, usually attached ot a motorized winch that is used to spool cable.

Deep learning | A type of of machine learning method based on artificial neural networks. Teaching computers to learn for themselves.

Duvetyn | A soft matte theatrical fabric, most frequently in black. It is used to mask areas of the stage or backstage to control sightliness.

False proscenium | An additional, usually smaller, proscenium constructed for one production. It is installed in front of the theatre's existing proscenium to further control how the audience views the production.

Fly gallery | The area above the stage where battens holding scenery and drapes can be stores overhead out of the view of the audience.

Forced perspective | A design style that creates the visual illusion that a hallway continues farther than it does in actuality.

Gas Lighting | Controlled gas flame used as an illumination source.

Gobos | A thin metal template cut into a shape placed between a light and lens to cast a pattern of light. Gobo, is short for "go between."

Head-blocks | A pulley attached to the ceiling or grid of a theatre, usually placed directly above a lift line.

High contrast | If your image consists of extremely bright and dark areas, then it's considered high contrast.

Holographic projection | A media projection technique that provides either a two-dimensional or three-dimensional projection which can be seen without any additional hardware or viewing devices.

Intensity changes | Increasing or decreasing the brightness of the stage lights.

Keyframes (tweens) | The start and end points of an animation, such as scaling or dissolving a video.

LED Video Wall | A large screen made of small light-emitting diodes (LED's) that display visual content like videos, images, text, and other forms of graphics, similar to a television.

Live video feeds | A video source from a live camera or camcorder displayed to a projector or screen.

Masked | When multiple images or videos are layered on top of each other but one obscures the other, or creates a frame or patten of opacity.

Modeling (with light) | When a light used to create a three dimensional effect achieved through the perception of form and depth.

Motorized winch | An electric device used to pull or hoist a load attached to a rope or wire rope.

Moving lights | Theatrical lighting fixtures that can move autonomously to change where their light of focused.

Pageant Wagons | A medieval mobile performance stage built on top of a wagon.

Performer flying | The act of hoisting performers above the stage on ropes or wire ropes to give the illusion that they are flying.

Pixels | A minute area of illumination on a display screen, one of many from which an image is composed.

Pyrotechnics | Flame effects used for the stage.

Quick changes | When an actor needs to change costumes quickly and requires assistance backstage to do so.

Raked stage (or seating) | A stage or seating area that is place on an angled platform or ramp.

Rounds | A permeant Medieval circular venue used for carnival-like performance events.

Shadow puppetry | Flat articulated cut-out figures (shadow puppets) which are held between a source of light and a translucent screen.

Sight lines | The view the audience has of the stage and surrounding area. If the audience can see something from where they are seated, that item is considered within the audience's sight line.

Slide projector | A 20th century device used to project light through a film slide, allowing the slide to be enlarged and viewed on a screen.

Trap lift | A motorized platform installed in a theatre's trap, used to lift performers or scenery up to the stage level.

Word-clock | In digital audio electronics, a word clock or wordclock is a clock signal used to synchronize other devices, such as digital audio, effects, and other playback equipment.