TY JOUR TI INFORMATION TRANSFER EFFECTIVENESS OF WARNING AND TELECOMMUNICATION SYSTEMS OF AUDIO-EXCHANGE UNDER NOISE CONDITIONS KW audio-exchange telecommunications KW noise situation KW signal/noise ratio KW transfer effectiveness KW speech syllabic legibility KW formant legibility KW speech information exchange JO Bulletin of Bryansk state technical university AU Kholkina, N.E. PY 2020 IS 2020 PB Bryansk State Technical University