TY JOUR TI Mathematical modeling of processes in the sound field of premises with speech notification KW Mathematical modeling KW structure of the sound field of premises KW speech fire alerts KW intelligibility of the speech signal KW sound energy density KW direct sound KW reflected energy KW background noise JO Modeling of systems and processes AU Epifanov, E.N. AU Asminin, V.F. AU Sazonova, S.. PY 2023 IS 16 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov