acceptable noise level
21Air purifier — An air purifier is a device which removes contaminants from air. Air purifiers are commonly marketed as being particularly beneficial to allergy sufferers and asthmatics, and at reducing second hand tobacco smoke. Use of purifiers Dust, pollen,… …
22Home cinema — Basic home theater made up of a home entertainment system consisting of large screen LCD television and a DVD player, (and a Blu ray Disc capable PlayStation 3 game console). Home cinema, also commonly called home theater, are home entertainment… …
23Library Atmospherics — describes the microlevel design of library common areas in order to create desired emotional effect on library patrons. More specifically, atmospherics is the manipulation of library environments to create specific emotional effects in library… …
24textile — /teks tuyl, til/, n. 1. any cloth or goods produced by weaving, knitting, or felting. 2. a material, as a fiber or yarn, used in or suitable for weaving: Glass can be used as a textile. adj. 3. woven or capable of being woven: textile fabrics. 4 …
25Cassette deck — A cassette deck is a type of tape recorder for playing or recording audio compact cassettes. A deck was formerly distinguished from a recorder as being part of a stereo component system, while a recorder had a self contained power amplifier (and… …
26Reel-to-reel audio tape recording — Reel to reel redirects here. For the music group, see Reel 2 Real. For other uses, see roll to roll processing. A reel to reel tape recorder (Sony TC 630), typical of those which were once common audiophile objects. Note the distinctive Scotch… …
27Nuisance — For the 1921 film, see The Nuisance. For statistics, see Nuisance parameter. Nuisance (also spelled nocence, through Fr. noisance, nuisance, from Lat. nocere, to hurt ) is a common law tort. It means that which causes offence, annoyance, trouble… …
28Noisy-channel coding theorem — In information theory, the noisy channel coding theorem (sometimes Shannon s theorem), establishes that for any given degree of noise contamination of a communication channel, it is possible to communicate discrete data (digital information)… …
29air law — Introduction the body of law directly or indirectly concerned with civil aviation. Aviation in this context extends to both heavier than air and lighter than air aircraft. Air cushion vehicles are not regarded as aircraft by the… …
30Charge-coupled device — A specially developed CCD used for ultraviolet imaging in a wire bonded package. A charge coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for… …
