TY JOUR TI ACOUSTIC COMFORT OF THE ROOM AS ONE OF THE FORMATION FACTORS OF THE ENVIRONMENTAL SPACE KW comfort of stay KW sound absorption KW equivalent areas of sound absorption of materials and structures KW acoustic improvement KW design KW reverberation KW sound absorption coefficient KW diffusivity of the sound field JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Tarasenko, V.N. AU Samoilova, A.Y. AU Mosienko, A.S. PY 2021 IS 5 PB Belgorod State Technological University named after V.G. Shukhov