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The Interaction of Spirantization and s-Aspiration in Andalusian Spanish

The Interaction of Spirantization and s-Aspiration in Andalusian Spanish. Joaquín Romero Universitat Rovira i Virgili. purpose. study the relevance of the temporal dimension in the interaction of. spirantization. s-aspiration. in Western Andalusian. aerodynamic (airflow) data.

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The Interaction of Spirantization and s-Aspiration in Andalusian Spanish

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  1. The Interaction of Spirantization and s-Aspiration in Andalusian Spanish Joaquín Romero Universitat Rovira i Virgili

  2. purpose • study the relevance of the temporal dimension in the interaction of • spirantization • s-aspiration • in Western Andalusian • aerodynamic (airflow) data • perceptual data

  3. [B¢] [D¢] [ƒ] ¢ background • spirantization /b/ /d/ /g/ • s-aspiration /s/ /h/

  4. [b¢] [d¢] [g] ¢ background • spirantization as gestural reduction • incomplete target achievement • evidenced by • variability • gradation • constriction degree • duration • compare with casual English /b/ /d/ /g/

  5. background • s-aspiration as gestural reduction and overlap • gradation • variability /st/ [u»tHe] [tH] 'usted' [»am˘a] /sm/ [m˘] 'asma' /sb/ [B] [de»Bia] 'desvía' /s#/ [h] [lah »ola] 'las olas'

  6. background • spirantization and s-aspiration in Western Andalusian • Romero 95 • minimal distinction /b/ [b4] [de»b4ia] 'debía' /sb/ [B] [de»Bia] 'desvía' • no difference in constriction degree • main difference in duration

  7. current study • further investigate the nature of the interaction between spirantization and s-aspiration in Western Andalusian • both processes are non-categorical • spirantization (deocclusivization) as a result of gestural reduction • s-aspiration (assimilation) as a result of gestural reduction and overlap • role of the temporal dimension

  8. current study • 3 types of data • acoustics • duration of VCV • aerodynamics • oral airflow during target C • perception • auditory discrimination between C and sC

  9. design • acoustics / aerodynamics • 2 subjects • Digamuchas veces pa__apa /b/ /d/ /g/ [voiced stops] /sb/ /sd/ /sg/ [voiced frics] /p/ /t/ /k/ [voiceless stops] /s/ [voiceless fric] • 2 rates: normal / slow • 5 repetitions each

  10. design • acoustics / aerodynamics • duration of VCV: apa, aba, asba... • Macquirer • oral airflow during constriction for C • Scicon oral airflow mask • statistical analysis • factorial ANOVA

  11. design VCV airflow

  12. design • perception • 20 subjects • Digamuchas veces pa__apa /b/ /d/ /g/ [voiced stops] /sb/ /sd/ /sg/ [voiced frics] /p/ /t/ /k/ [voiceless stops] /s/ [voiceless fric]

  13. design • perception Digapasgapa muchas veces sg – mean (g) 25% 50% 75% 100% = /g/ ƒ

  14. design • perception • each token appeared twice • total of 48 items

  15. results • VCV duration

  16. results • oral airflow during C

  17. results • perception labial dental

  18. results • perception velar

  19. discussion • acoustics • temporal difference between single voiced stop and s+voiced stop • temporal difference between stops and fricatives (independent of voice) • rate difference

  20. discussion • airflow • rate differences not significant overall but probably so for fricatives • significant difference between spirantized stop and voiced fricatives • spirantized stops lowest values

  21. discussion • perception • correct differentiation between spirantized voiced stops and voiced fricatives • very low identification rate, mostly velars • perhaps problems with methodology • segmentation • manipulation

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