Rating Newest Oldest. Best Answer: A mansion is a very large dwelling house. U.S. realtors define a mansion as a dwelling of over 7,000 square feet (650 m2). A traditional European mansion was defined as a house which contained a ballroom and tens of bedrooms. Sooo....
The human ear responds more to frequencies between 500 Hz and 8 kHz and is less sensitive to very low-pitch or high-pitch noises. The frequency weightings used in sound level meters are often related to the response of the human ear, to ensure that the meter is measuring pretty much what you actually hear. It is extremely important that sound level measurements are made using the correct frequency weighting - usually A-weighting.
Mass Loaded Vinyl is a limp-mass material sound barrier made of high-temperature fused vinyl and no lead fillers. The vinyl sound barrier reduces airborne sound transmission through walls, floors and ceilings. It comes in rolls 54 wide, weighs 1 lb./ sq. ft. and has an STC 27.ound Barriers. Sound barriers are materials used to block or soundproof a room or piece of noisy equipment. We have various types of sound blocking systems, enclosures and materials for existing and new soundproofing construction.