TY JOUR TI Analysis Method of the Stability of the Combined Labeling of Digital Audio Signals KW steganography KW digital audio signal KW combined labeling KW quality and sustainability evaluation KW air audio channel KW immunity transmission JO Intellectual Technologies on Transport AU Kornienko, A.A. AU Gofman, M.V. AU Kornienko, S.V. PY 2022 IS 0 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"