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66 lines
2.3 KiB
66 lines
2.3 KiB
From text to speech: The MITalk system
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Soundl: Stripped C AR I B O U Stage I
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Soundl: Consonants: KK 2?2 RR ?? BB ?? 2?2 Stage 2
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Soundl: Prefixes : KK ?? RR ?? BB 2? 2?2
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Soundl: Vowels : KK AE RR IH BB UW Stage 3
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Soundl: Suffixes : KK AE RR IH BB UW
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SOUND1l: KK 'AE RR - IX - BB UW
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Figure 6-2: Application of letter-to-sound rules to caribou
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general rule in its rule sequence and that b has only one given pronunciation. The
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letter ¢, because it precedes a, is pronounced Kx.
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When a precedes r which, in turn, precedes either a vowel or another r within
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the same morph, it usually has the pronunciation aAt. The letter i, following its
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most general pronunciation, is assigned the segment IH. Morph-final ou is given
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the pronunciation UW.
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6.2.4.1 Generalizations and related rules The letter r is syllabic if preceded by a
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consonant other than r and followed by a morph-final e, e.g., acre, or the inflec-
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tional suffixes s or ed.
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The letter ¢ is palatalized in some cases, as in special (preceded by a vowel;
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followed by the letter i and a vowel) and ancient (preceded by the letter n; fol-
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lowed by i-vowel). It is assigned the segment ss later in its rule sequence if it is
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followed by e, i, or y. It may be noted that this is the same context which assigns
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the pronunciation IH ss to the suffix ic. If c is followed by a, o, or u, it is usually
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pronounced KK, as in this example.
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When a precedes r, and r is not followed by either a vowel or another r
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within the same morph, a is pronounced Aa (e.g. far, cartoon) unless preceded by
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the segment ww (e.g. warble, warp, war, wharf, quarter).
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In a word such as macaroon, the a preceding r-vowel is assigned pronuncia-
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tion AE in the phonological rules and is reduced to schwa in the stress rules be-
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cause it is unstressed.
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6.2.4.2 Second example
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Soundl: Stripped : S U B < V E R § > I O N
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Stage 1
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Soundl: Consonants: 2?2 2?2 2?2 2?2 VW 2?22 RR ZH ?? 2?2 2?2 27
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Stage 2
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Soundl: Prefixes { SS AX VV 2?2 RR ZH ?? 2?2 2?22 22
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Soundl: Vowels : SS AX
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Stage 3
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Soundl: Suffixes : SS AX < VV AH RR ZH > AX NN
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SOUND1l: SS "AX BB * - VV 'AH RR ZH * - AX NN
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BB <
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BB < VV AH RR ZH ?? 2?2 22?2 2?2
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BB
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Figure 6-3: Application of letter-to-sound rules to subversion
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In Figure 6-3, the affixes ion and sub are recognized in Stage 1.
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There is only one pronunciation provided for the consonant v; and r, because
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