METHOD FOR RECOGNITION OF SIGNAL OF RANDOM PROCESS AND DEVICE WHICH IMPLEMENTS SAID METHOD Russian patent published in 1997 - IPC

FIELD: instruments, in particular, analysis and synthesis of voice for automation and computer engineering, code systems such as locks, control of home appliances, color images for music and voice works. SUBSTANCE: device has microphone 1, controlled amplifier 2, unit 3 which detects alternation of sign of first derivative using analog-to-digital converter, control pulse generator 4, image storage 5, memory unit 6, time-to-digit converter 7, decision making unit 8, display 9, reference frequency grid oscillator 10, leading and front signal edge pulse generator 11. EFFECT: decreased number of calculations for linear prediction analysis or assessment of formant frequencies during verification in real-time scale. 2 cl, 2 dwg