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45 lines
999 B
45 lines
999 B
From text to speech: The MITalk system
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Target[f2] « .9*Target[f2] + .1*1450/
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[-l-iL] { [-son}%rant] / [+n)a(sal] }
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Target[f2] « .75*Target[f2] + .25*TARGETIf2, X] /
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[-l:Rfl] { [-son)%rant] / [ +n§1(sal] }
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Transitions shorter into liquids and glides:
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-nasal, +sonor +lateral
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Bper(f1.£3] « 90 [ “masahgisonor] [ +lateral ]
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Transitions between retro and lateral are short:
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Tef[£1..b3] « 90/ [ 'h'igli]
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ELSE Tcf[f1..b3] < 50/ [ +1iggfi]——
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ELSE Tef[f1..b3] <« 70
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ch[B] «— 90/ [ +retro
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C.7 Vowels
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/[ +v2vel]
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Heavy forward coarticulation of schwa:
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Target[f2] « avg(Target[f2], TARGETI[f2, X]) /
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[ +s0nor, -nasal] S[ +AXP]
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X —_—
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No schwa offglide before velar consonant:
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Diptar(f2] - Target{f2] / [ +Hront +lax | [ +velar]
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Velarization of front vowels if followed by +lateral:
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, | +front +yglide +lateral
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Dlptar[fz]¢300/{[ o ]/[ et ]} [ S ]
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Diptar[f2] 4 300/
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{ [ +front, -diphthong] / [ +yglide, -diphthong] } [ +la§eral]
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YU fronted if alveolar plosive follows:
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