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Lecture 7

LING 240 Lecture 7: Matrix of Features (New)

Course Code
LING 240
Margaret Antonisse

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Ling240-Lecture 7: Matrix of Features
The Matrix of Features
Combination of features translates into a set of commands to the speech muscles
Humans need precise timing
Natural Classes
Alveolars=[t,d,s,z,n,l,ɹ ]
Voiceless fricatives=[f,θ,s,ʃ,h]
[u,oʊ,ɔ, ʊ]=rounded
Front vowels=[i,ɪ,eɪ,ɛ]
Ex: [ɹ] is a member of: stops, alveolars, voiced, voiced stops, voiced alveolar stops,
alveolar stops, consonants?
Why do we care?
Things are not always what they seem to be.
There are variants of sounds
Sounds may change in a particular “environment”
Same sound may vary between languages (or speakers)
English [p] vs. Spanish [p]
Pin [�] poco [p]
Pool [�] peso [p]
Pace [�] papa [p]
Pill [�]
Research Question
Are voiceless stops aspirated in all positions of English words?
Or does it depend on the environment?
Ex: pin [�]vs spin [p]
Is it a coincidence that [p,t,k] and no other sounds all aspirate in the same kind of
Aspiration: Extra release of air after release of stop
Delayed voicing of vowel
Two Hypotheses
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