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GLOSSARY

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  • Term
    Definition
  • The A-Frame is the basis of all AV-Drop flat frame system. Two A’s are joined one right side up, and a second upside down to build a compete frame. The frames Are joined with a UP, Union piece.

  • AV-Drop frames for angled sets, available in 75 and 105 degree standard stock pieces. Custom Angles may also be available for specific projects.

  • The ratio of an image’s width to it is height. It is commonly expressed as two numbers separated by a colon, as in 16:9. For an x:y aspect ratio, the image is x units wide and y units high. Widely used aspect ratios include 1.85:1 and 2.39:1 in film photography, 4:3 and 16:9 in television, and 3:2 in still camera photography. Today, 16:9 is the common ratio.

  • Scenic element behind a speaker or presenter meant to add context and visual interest, often including graphic imagery or brand logos.

  • The base weight is a compact mass of recycled rubber, steel or cast iron used to counterbalance pipe and drape, AV-Drop stabilizer also know as a stage jack. An alternative solution are Sand bags.

  • Bracket For Screen, the BFS slides between two frames and allows for a front projection screen or gallery drop to be support by the bracket. Using one at the top and one at the bottom allow for the frame to be secured to the wall. BFS brackets come in multiple depths that allow frames to be suspended from the wall in different planes.

  • A blackout skin is typically an opaque inner skin which attaches directly to an AV-Drop frame when a non-opaque outer skin will be used, such as with a graphic print or muslin skin. White/Blackout and Print blackout skins are opaque was well not letting any light pass thru.

  • The borderless screen refers to a Front Surface video projection screen without borders. Typical fast fold style projection screens have black borders surrounding the image area. AV-Drop screens are “Full White” without any borders. The screen is all image area.

  • Custom printed fabric skins with specific graphics for the project. Prints range in seamless sizes from 10’, 16’ or even up to 25’ under special circumstance. Various printing methods are used, dye sublimation, Latex or UV presses.

  • Auxiliary spaces in a meeting or conference, used for smaller group meetings once a main gathering has concluded.

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  • Direct Corner Clamp, used to attach AV-Drop frames at a 90-degree angle, such as with a stabilizer or hard corner. Also may be used to secure a rear projection screen from behind.

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  • A computer printing technique which uses heat to transfer dye onto materials such as a plastic, card, paper, or fabric. The sublimation name was first applied because the dye was considered to make the transition between the solid and gas states without going through a liquid stage.

    Dye Sub printing is used frequently for AV-Drop skins. Prints are available in 128” and 192” wide.

  • The extension is a basic frame component that allows the A, F and other primary frame shapes to be extended both the width and height of a primary frame configuration.

  • A manufacturing process used to create objects of a fixed cross-sectional profile. A material is pushed through a die of the desired cross-section. Allows for the creation of complex cross-sections, and to work materials that are brittle, because the material only encounters compressive and shear stresses. It also forms parts with an excellent surface finish.

  • A split A-Frame in an “F” shape. The A-Frame is the basis of all flats whereas the F splits the A in half and allows for extensions to widen the A frame. Allows for greater flexibility when shipping, as the pieces can take up less space on a pallet.

  • Portable, foldable projection screen system based on leg-to-frame joints. Compatible with AV-Drop for attachment from the rear.

  • A theatrical flat is a basic building block of scenery used in theatre, film, tv, and live events. Scenery flats are used to create a background and are commonly build of wood and covered in canvas, muslin or other fabrics or custom printed banner material.

  • FR refers to Flame Resistant and Flame Retardant fabric

  • Projection Screen used when image is projected from front of house, rather than behind the set. Offers more flexibility in material than rear projection.

  • Smaller, hanging sections of AV-drop, attached to a larger white AV-Drop wall from the front using our BFS brackets, like paintings hanging in a gallery.

  • Main gathering of a meeting or conference, inclusive of all (or most) attendees of the event. Requires room with largest capacity.

  • Scenic element forming top of set above a rear projection screen; forms the “void” or cutout in the set. See also, Skirt.

  • Inherently Flame Retardant fabric. Flame retardancy will not diminish with washing and requires no additional treatment. All AV-Drop skins are IFR.

  • The inner skin refers to the sizing of the skin relative to the frame and its Velcro perimeter. The inner skin is often used as a blackout layer when a non-opaque outer skin is used. When two skins are required, the first blackout layer is sized to only cover half of the frame Velcro thereby leaving the out half available to stretch the decorative skin layer over it on the same frame by sharing the frame velcro.

  • Scenic support structure meant to provide counterbalance from the rear. Sits perpendicular to the surface of a piece of scenery, usually weighed down with sandbags for non-permanent installations.

  • Large format printing medium using water-based inks. Commonly used on outdoor signage, vinyl banners, vehicles and other applications where a degree of water resistance is desired. It works quite well for AV-Drop fabric skins in widths up to 128” (3.2m)

  • Legs are tall narrow drapes or flats hung or supported to the left and right of the stage area use to mask the wings of a stage. They are also used to frame the sides of a screen / display area designed to frame and focus the audience’s attention to image area.

  • Less Than Truckload (LTL). Common method of freight shipping for AV-Drop rentals. Individual pallets, usually one per order, are accepted by a carrier for shipment. When shipping LTL, the shipper pays for the portion of a standard truck trailer their freight occupies, while other shippers and their shipments fill the unoccupied space.

  • Slang, referring to main group of a meeting or conference. See also, General Session.

  • Molton is a popular wide format fabric used extensively in Europe. It is tho all 118” wide ( 3 meter). AV-Drop typically uses black as it would be considered a dim out fabric, not quite 100% blackout but quite adequate for most applications. However if there are high ambient light g conditions behind the frame a secondary blackout skin may be required. It has a matte finish and absorbs light and reflections. It is available in a number of other common colors. Most notably chrome key green.

  • Muslin is a wide woven broadcloth which is produced seamlessly up to 40’ wide. AV-Drop uses muslin up to 25’h. as a skin to build seamless projection surfaces for video mapping. Muslin is not an opaque fabric and typically needs a inner skin of a blackout fabric.

  • National Fire Protection Association, NFPA-701 is drapery fabric is tested by burning a small samples by measuring the flame, char length and flaming residue. If a fabric meets the NFPA-701 in these three areas, the fabric is considered flame retardant and receives a NFPA 701 certification. This is the accepted US flame resistance standard the fire department jurisdictions accept as being a minimum standard for fire resistance drape typically used in commercial applications. Note the State of California has additional certifications and test requirements.

  • The outer skin refers to the sizing of the AV-Drop skin in relation to the frame it’s attached to. An outer skin is sized to attached to the outer half of the frame when layered over an inner skin sized to adhere to the inner perimeter of the inner skin which is commonly a blackout skin.

  • Photo Call is the European name for Step & Repeats.

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  • In manufacturing, thickness or basic shape of a material. See also, extrusion. AV-Drop frames are built of an aluminum extrusion profile.

  • Design of projection to fit contours or shape of a stage object, for example a projection screen or piece of hard scenery. Allows for image to be seen on that specific area of set, and not elsewhere.

  • Theatrical architecture forming “picture frame” above a stage, allowing for basic conception of “audience” and “performer”. Usually decorative in a theatrical context.

  • Screen constructed from PVC (polyvinyl chloride). Durable and available for front and rear projection. Prone to cracking in colder environments if not properly handled.

  • AV-Drop frame utilizing radius curves on one side. Used to create curved scenery. Available in 2’, 3’ and 4’ curves.

  • Refers to a rear projection screen made of PVC film and stretched on a frame. They are available in different aspect ratio and sizes. AV-Drop frames can be used to build common or custom size rear screen frames.

  • Th rigging clamp is Proprietary clamp for the AV-Drop system with Eye-bolt attachment. Attached to top horizontal member of an AV-Drop wall in order to rig to hang from truss or other overhead support.

  • The sand bag is literally a bag of sand used a counterweight and added to a stabilizer ( jack frame) . Theatrical Sand bags are made of various weights but most commonly 25-30lbs and made of a heavy duty canvas or nylon fabric with a web belt carry handle(s). Other counter weight are made of recycled rubber or stage weights made of steel or cast iron.

  • A Scenic Wall with one or more cutouts (voids) to accommodate a projection screen. May be a solid color, graphic printed or architectural. Often used as main scenic element of a meeting or trade show behind a speaker or series of speakers. Screen surrounds are also made of drapes to be used around Fast Fold Projection Screens.

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  • A stabilizer is the combination of frames that are attached to the main set frames and are attached at a 90 degree angle by using two or more DC Clamps.

  • Hard stage floor meant to support scenery, either permanent or, in the case of a meeting or conference, temporary and portable meant for crew installation.

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  • AV-Drop set with multiple planes rather than one flat surface, meant to create depth in a stage design. Available in a wide variety of configurations.

  • The standard clamp is proprietary clamp meant to hold AV-Drop modules (walls) together from behind the set in parallel sequence to create a single wall. Clamps to the inner channel of the AV-Drop extrusion from the rear.

  • A step and repeat is banner/backdrop, also know as photo call or press wall is a publicity backdrop used primarily for event video and photography. The step and repeat refers to a repeating printed pattern of logos or emblems that are visible in photographs of the individuals standing in front of the background. Step and repeat banners are most often seen at red carpet or fashion events. As their familiarity has grown these custom design and printed backdrops are being used for galas, weddings and even corporate events to offer "celebrity-like" and VIP feeling for guest photos. AV-Drop modular scenic is the perfect solution for broadcast quality backdrops utilizing matte fabric prints.

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  • A truss base is an aluminum or steel plate meant to support a piece of truss from the ground. Attaches with nuts and bolts to truss structure.

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  • Custom length extensions meant to allow for the AV-Drop system to accommodate dimensions beyond the capacity of our normal stock sizes. Useful for creating specific-sized projection screens (example: 6’ x 10’8”) or other irregular sizes. Used in place of a normal UP (union piece) between connections.

  • Universal Connector for all AV-Drop modules. Made of narrower extrusion to fit inside the main extrusion of an AV-Drop frame. Attaches securely to frame via spring-loaded push-button mechanism. May be made of aluminum or plastic for lighter weight with no reduction in durability.

  • A form of digital printing that uses ultra-violet lights to dry or cure ink as it is printed. As the printer distributes ink on the surface of a material (called a "substrate"), specially designed UV lights follow close behind, curing - or drying - the ink instantly. Originally developed for quickly drying gel nail polishes during manicures, ultraviolet light applications quickly expanded into industrial and commercial markets. Because the UV lights cure any printed ink immediately, the dots of wet ink do not get a chance to spread out once printed, resulting in much finer detail. In addition, UV cured inks are weather-resistant and offer increased resistance to fading. This curing process is more environmentally friendly as it produces few VOC’s, odor, and heat. UV curing also allows the flatbed printer to be used with nontraditional materials like acrylic or aluminum.

  • A short section of drape or hard scenery used above a set or stage for masking, especially of lights or cabling. Typical lengths are 1’, 1’6”, or 2’. See also, Header.

  • The White/Blackout skin is the most common skin fabric used for AV-Drop. White blackout skins utilize a wide format fabric that is typically available in 110” wide raw fabric, making it perfect to build seamless 8’ wide flats. The fabric itself is polyester composition laminated with 3 layers of foam on the back to create the blackout quality.

    The fabric itself is not unique to AV-Drop but is commonly used a a blackout liner for commercial or residential Drape.

  • Common textiles are typically woven or knit with finished rolls averaging 48” to 60” wide. Wide Fabrics are 2.8 to 3.2m wide 110”-126” wide. AV-Drop utilizes wide fabrics to make seamless 8’ w. flats. This is preferred opposed to traditional wooded flats that are 4’ wide or need to joined or have twice as many seams every 4”.

  • Is a term used for the left and right drape it flat of the screen area. Wings are also the area to the left and right of a stage are typically out of site from the audience.