08 Physiological Acoustics- Coarticulation
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| Phonetic Context | how we produce any single phoneme during speech is dependent upon:
-Where you’re coming from
-Where you’re going to next
-It depends on the preceding and following phonemes
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| Overlapping Movements | -When we produce a word or phrase, we do not pre-plan each phoneme individually.
-Rather an entire strings or sequences of phonemes must be pre-planned as a group
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| Assimilation | -refers to how a phoneme is changed to another phoneme due to surrounding sounds. (ex: I want you becomes I wantchu)
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| Co-Articulation | -Refers to how a phone is produced differently due to surrounding sounds, but still remains the same phoneme. (ex: The /k/ in cat is produced differently than the /k/ in /skat/ or /back/.
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| Two Types of Co-Articulation | .Backward Co-Artic
.Forward Co-Artic
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| Backward Co-Articulation | -Where the characteristics of one phone can be observed in later phones in the string.
-i.e., a later sound contains characteristics (is affected by) an earlier sound.
-“Left-to-Right Co-Articulation”
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| Causes of Backward Co-Articulation | 1.Inertia
2.Time constraints
3.Mechanical constraints
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| Forward Co-Articulation | -Where a preceding phone is influenced by the production of a later-occurring phone.
-i.e., a phone contains characteristics of a sound to be produced later in the string.
-“Right-to-Left Co-Articulation”
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| Cause of Forward Co-Articulation | Anticipation
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| Co-Articulation is not influenced by syllable or word boundaries. True or false? | true
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| How far can the speech production mechanism look ahead? | It will look ahead until it reaches the next contradictory gesture
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