name Half-LifeAnnouncementSystem language variant pitch 37 83 klatt 4 formant 1 88 100 100 0 formant 2 96 100 100 0 formant 3 98 100 100 0 formant 4 96 100 100 0 formant 5 100 100 100 0 formant 6 100 100 100 0 formant 7 100 100 100 0 formant 8 100 100 100 0 voicing 70 consonants 70 70 echo 154 26