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White Noise - A random audio signal with a flat power spectral density that contains noise at the same level at all frequencies. The signal's spectral density has equal power in any band and at any frequency in a . Used . given bandwidth. White noise is similar to white light which contains all frequencies. White noise is often used in the field of architectural acoustics to mask distracting or undesirable n. Used . oises in interior spaces....

Plasma - A plasma display panel is a type of flat panel display with many tiny cells located between two panels of glass holding an inert mixture of gases like neon and xenon. The gas is electrically turned in. Used . to a plasma which then excites phosphors that emit light. . Used . ...

Hazer - A Smoke Machine or Fogger is an electrical device that creates clouds of artificual and hopefully non-toxic fog. The fog may come in different colors or smells and may be water or mineral based. It i. Used . s used for effects in theatre, staging, concerts and clubs.

A Hazer by contrast create a more diffusive, expansive haze that is usually not a thick and is used to enhance other e. Used . ffects, such as lighting and light beams.

Intensity - Measured in both lux and lumens. For any given luminaire (lighting instrument or fixture), this depends upon the power of the bulb, the design of the instrument (and its corresponding efficiency), the. Used . presence or absence of color gels or gobos, distance from the area to be lit, the color and subtance to be lit, and the neuro-optics of the total scene (that is, the relative contrasts to ot. Used . her regions of illumination). ...

Communications - Communication gear is essentially used to relay information to different individuals or teams during a show or performance to insure everything, including audio, lighting and staging are timed correct. Used . ly and functioning properly and safely. . Used . ...