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An acoustic board is a board made from sound absorbing materials, designed to provide sound insulation. [3] [4] Between two outer walls sound absorbing material is inserted and the wall is porous. Thus, when sound passes through an acoustic board, the intensity of sound is decreased. The loss of sound energy is balanced by producing heat energy.
Panel Pair Curtains are also known as double panel curtains. They refer to two curtain panels hanging on either side of the window. This is the most common style. Tab top curtains are made with narrow straps, that loop or tie at the top edge and hung from the curtain pole. [14]
Safety curtain: A heavy fireproof curtain, in fiberglass, iron or similar material placed immediately behind the proscenium. Shell: A hard, often removable surface, designed to reflect sound out into the audience for musical performances. Smoke Pocket: Vertical channels against the proscenium designed to contain the safety curtain.
Theater drapes represent a portion of any production's soft goods, a category comprising any non-wardrobe, cloth-based element of the stage or scenery. [2] Theater curtains are often pocketed at the bottom to hold weighty chain or to accept pipes to remove their fullness and stretch them tight.
Architectural acoustics (also known as building acoustics) is the science and engineering of achieving a good sound within a building and is a branch of acoustical engineering. [1] The first application of modern scientific methods to architectural acoustics was carried out by the American physicist Wallace Sabine in the Fogg Museum lecture room.
An Austrian curtain. A front curtain, also known as a (front-of-)house curtain, act curtain, grand drape, main curtain or drape, proscenium curtain, or main rag [1] [2] [3] is the stage curtain or curtains at the very front of a theatrical stage, separating it from the house.
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