While the trichromatic theory defines the way the retina of the eye allows the visual system to detect color with three types of cones, the opponent process theory accounts for mechanisms that receive and process information from cones.
Cost of Soundproofing One Room. The cost to soundproof one room generally includes $170 to $250 for new materials, $190 to $300 for professional labor and $20 to $36 in tools needed to complete the job, though the prices will be higher for larger rooms and more complicated projects.
Soundproofing a home office provides a way to stop noises from entering the room and disrupting your work. Aside from rebuilding existing walls with soundproofing materials, a way to reduce and eliminate the level of noise in the room is by sealing all areas where noise may enter.tep 5: Soundproof Flooring. To reduce the sound that is coming from below your home office, gently pull up the carpeting and place sound acoustic boards underneath to reduce sound vibrations that cause noise.