eng_vowels = [
{Vowel: "iː", F1:285, F2:2373, F3:3088},
{Vowel: "ɪ", F1:356, F2:2098, F3:2696},
{Vowel: "e", F1:569, F2:1965, F3:2636},
{Vowel: "æ", F1:748, F2:1746, F3:2460},
{Vowel: "ɑː", F1:677, F2:1083, F3:2340},
{Vowel: "ɒ", F1:599, F2:891, F3:2605},
{Vowel: "ɔː", F1:449, F2:737, F3:2635},
{Vowel: "ʊ", F1:376, F2:950, F3:2440},
{Vowel: "uː", F1:309, F2:939, F3:2320},
{Vowel: "ʌ", F1:722, F2:1236, F3:2537},
{Vowel: "ɜː", F1:581, F2:1381, F3:2436}
]