language variant name grandma gender female 90 pitch 120 230 flutter 20 formant 0 105 150 150 formant 1 100 80 100 formant 2 105 105 105 formant 3 80 80 80 formant 4 60 60 60 formant 5 90 90 90 formant 6 10 10 10 formant 7 10 10 10 formant 8 20 20 20 voicing 50