Аннотация:The effect of high hydrostatic pressure on the energy spectrum of n-Pb1-xSnxSe (x=0.07, 0.125) and p-Pb1-xSnxTe (x=0.2) alloys irradiated with electrons has been investigated. In the irradiated samples metal-insulator transition induced by pressure has been revealed and the parameters of radiation-induced resonant bands determined.