Automatic peak selector

Claim 1

APPARATUS FOR DETECTING THE PRESENCE OF VOICED ANS UNVOICED INTERVALS IN A SPEECH WAVE WHICH COMPRISES A SOURCE OF A SUCCESSION OF SPECTRUM WAVEFORMS REPRESENTATIVE OF THE FOURIER TRANSFORM OF THE LOGARITHM OF THE SPECTRUM OF CORRESPONDING SUCCESSIVE SEGMENTS OF SAID SPEECH WAVE, MEANS FOR ANALYZING SAID SPECTRUM WAVEFORMS TO DETERMINE THE PRESENCE OR ABSENCE IN EACH OF SAID SPECTRUM WAVEFORMS OF A SINGLE LARGE PEAK WHICH EXCEEDS A PREDETERMINED THRESHILD, AND INDICATOR MEANS IN CIRCUIT RELATION WITH SAID ANALYZING MEANS FOR PROVIDING A VOICED INDICATOR SIGNAL INDICATIVE OF THE PRESENCE OF A VOICED SEGMENT OF SAID SPEECH WAVE CORRESPONDING TO THE (J-1) SPECTRUM WAVEFORM FOR EACH (J-1) SPECTRUM WAVEFORM WAVETHERE IS PRESENT A SINGLE LARGE PEAK THAT EXCEEDS SAIDD PREDETERMINED THRESHOLD AND WHICH IS EITHER PRECEDED OR FOLLOWED BY A RESPECTIVE (J-2) OR J SPECTRUM WAVEFORM IN WHICH THERE IS PRESENT A SINGLE LARGE PEAK THAT EXCEEDS SAID PREDETERMINED THRESHOLD, AND FOR PROVIDING SAID VOICED INDICATOR SIGNAL FOR EACH (J-1) SPECTRUM WAVEFORM IN WHICH THERE IS ABSENT A SINGLE LARGE PEAK THAT EXCEEDS SAID PREDETERMINED THRESHOLD BUT WHICH IS BOTH PRECEDED AND FOLLOWED BY RESPECTIVE (J-2) AND J SPECTRUM WAVEFORMS IN EACH OF WHICH THERE IS PRESENT A SINGLE LARGE PEAK THAT EXCEEDS SAID PREDETERMINED THRESHOLD.