The phonetics and phonology of non-modal vowels: a cross-linguistic perspective

102

*D

EVOICING 

>> *N

ON

-

MOD 

V, *N

ON

-

MOD 

VV

Short + long vowels

*N

ON

-

MOD 

VV >> D

EVOICING 

>> *N

ON

-

MOD 

V

Short vowels

6. S

UMMARY AND 

C

ONCLUSIONS

.  I have argued that the distribution of non-modal

vowels is governed by the conflict between perceptual demands, on the one hand,

and articulatory and aerodynamic considerations, on the other hand.  Although non-

modal vowels are perceptually dispreferred to modal vowels, non-modal vowels may

be  articulatorily  and  aerodynamically  preferred  under  certain  conditions.    The

conflict between ease of perception and ease of articulation can be modeled in a

constraint based grammar through different rankings of constraints.  

Appendix:  Languages in the survey of voiceless vowels. (Numbers following the

data  of  Crothers  et  al.’s  publication  are  the  reference  number  of  the  relevant

language in their database.)

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