sound-transmission qualities

См. также в других словарях:

• Sound masking — For other uses of masking , see Masking (disambiguation). Sound masking is the addition of natural or artificial sound (such as as white noise or pink noise) into an environment to cover up unwanted sound by using auditory masking. This is in… …   Wikipedia

• Sound reinforcement system — A sound reinforcement system is an arrangement of microphones, electronic signal processors, amplifiers, and loudspeakers that makes live or pre recorded sounds usually music or speech louder, or that distributes the sound to a larger or more… …   Wikipedia

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium

• Cellulose insulation — The word cellulose comes from the French word for a living cellule and glucose, which is sugar. Insulation is low thermal conductivity material used to separate the internal climate and sounds of a building from external climate and sounds.… …   Wikipedia

• acoustics — (Roget s 3 Superthesaurus) n. sound qualities, echoes, noise properties, sound transmission, sound frequencies. WORD FIND • absorbs all sound, produces no echoes: anechoic • boom produced by object moving faster than sound: sonic boom •… …   English dictionary for students

• Steinway & Sons — Steinway redirects here. For other uses, see Steinway (disambiguation). Steinway Sons Type Private (subsidiary of Steinway Musical Instruments)[1] …   Wikipedia

• wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… …   Universalium

• Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… …   Universalium

• Olympic Studios — was a renowned independent commercial recording studio located at 117 Church Road, Barnes, South West London, England. The studio is best known for the huge number of famous rock and pop recordings made there from the late 1960s onward. The… …   Wikipedia

• Boyle, Robert — born Jan. 25, 1627, Lismore Castle, County Waterford, Ire. died Dec. 31, 1691, London, Eng. Irish born English chemist and natural philosopher. The son of Richard Boyle, the Great Earl of Cork (1566–1643), he settled at Oxford in 1654 and, with… …   Universalium

• Noise level — In telecommunication, noise level is the noise power, usually relative to a reference.In atmospheric sound transmission, noise level is the noise power of the longitudinal sound wave relative to a point of reference. Note: Noise level is usually… …   Wikipedia