Acoustics is a huge obstacle in lots of lengthy areas, comparable to street or railway tunnels, underground/railway stations, corridors, concourses and concrete streets. the categorical difficulties of such irregularly formed areas, starting from noise toxins in streets and tunnels to terrible speech intelligibility of public deal with platforms in railway stations should not handled via vintage room acoustic theory.
This cutting-edge exposition of acoustics of lengthy areas offers the basics of acoustic concept and calculation formulae for lengthy areas in addition to giving instructions for useful design.
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