DEVICE FOR REGISTRATION OF SPEECH PAUSE IN VOCODER PATH Russian patent published in 1995 - IPC

FIELD: electric communication. SUBSTANCE: device includes band-pass filter 2, spectrum analyzer 3, tone-noise detector 4, fundamental tone detector 5, signal multiplexer 6, communication channel 7, units 8 and 17 of threshold elements, NOT gates 9,10,19,20, AND gates 11, 21, signal separator 12, spectrum synthesizer 13, switch 14, fundamental tone generator 15, noise generator 16, control unit 18, controlled attenuator 22, low-frequency filter 23. EFFECT: improved precision of registration of speech pause. 4 dwg