FIELD: communications engineering.
SUBSTANCE: proposed method includes signal division into time intervals, utterance of subscriber whose voice signal is to be encoded being recorded in advance; transmission of these intervals over different communication channels chosen from preset law; filling of spaces between them in each channel with background produced from recorded utterance by dividing it into time intervals of same length and interchanging obeying random law.
EFFECT: enhanced degree of transferred signal protection against unwanted persons.
1 cl, 8 dwg
Authors
Dates
2005-03-27—Published
2003-10-15—Filed