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VOWELS IN STANDARD AUSTRIAN GERMAN - Acoustics ...

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Sylvia Moosmüller<br />

justments with consecutively different acoustic outputs within the languages described<br />

as [±ATR]. The main physiological correlate of [+ATR] languages is either a widening<br />

of the pharyngeal cavity as a result of tongue root advancement or a reduction of the<br />

pharyngeal cavity by tongue root retraction, resulting in a lower F1 of the [+ATR]<br />

vowels as opposed to the [-ATR] vowels. These articulatory adjustments have been<br />

described for Igbo (Ladefoged 1964), Akan (Lindau 1979, 1987, Tiede 1996), Degema<br />

(Fulop et al. 1998), as examples of Niger – Congo languages, and for DhoLuo, Shilluk,<br />

Dinka (Jacobson 1978, 1980) and Maa (Guion et al. 2004) as examples of Nilotic<br />

languages. Additionally, in Akan, tongue root advancement is accompanied by a<br />

lowering of the larynx (Lindau 1974, cited in Guion et al. 2004, Tiede 1996). Tongue<br />

root advancement might be followed by a tension in the vocal folds which results in<br />

higher breathiness and shows up as a higher amount of energy in the higher frequency<br />

regions. However, these accompanying settings have only be observed for Akan (Hess<br />

1992), Degema and Maa (in Maa with no statistical significance).<br />

The feature [±ATR] has also been used to describe the “tense/lax” opposition in<br />

English (Halle & Stevens 1969) 67 . However, a cineradiographic study conducted by<br />

Ladefoged et al. (1972) showed that tongue root advancement is just a further<br />

complementary strategy to express the tense/lax opposition in English. This finding is<br />

corroborated by Jackson (1988). In his study on various languages he proved that<br />

English does not show a separate control of the tongue root for the tense/lax contrast.<br />

Tiede (1996) compared Akan and English and detected substantial differences in the<br />

articulatory patterning between the two languages when producing the desired<br />

distinctions. He concludes that<br />

Akan and English show different patterning of axial data at measured levels below the<br />

epiglottis. With one exception (area measured at the three lowest levels of /e/), the area,<br />

width, and depth measurements obtained for Akan show consistently larger values for<br />

expanded (+ATR) variants at all measured levels, above and below the epiglottis. But while<br />

the English data also show consistently larger values above the epiglottal pivot, at levels<br />

67 Following Halle & Stevens (1969), Wiese (1996) adopts the feature [± ATR] for the<br />

vowels of “Modern Standard German” (1996: 20f).<br />

76

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