Abstract
The tendency for high vowels to have higher fundamental frequency (f0) than low vowels, or intrinsic vowel pitch (IF0), has been found in both laryngeal and esophageal speech [e.g., Gandour and Weinberg, Phonetica 25, 140–164 (1980)]. In the present study, eight tracheo-esophageal speakers were asked to produce five repetitions of each of the four point vowels and f0 was measured. Results showed significantly higher f0 for high vowels than for low vowels, consistent with previous findings for laryngeal and esophageal speakers. In addition, f0 was measured from two laryngectomees over a period of 4 months immediately following surgery to determine whether IF0 is produced automatically or whether it develops over time. Neither of these subjects produced differences in IF0 at any time within the 4-month period. These preliminary data appear to indicate that IF0 is not an automatic consequence of either speech physiology or acoustics. More data from additional subjects will be presented. [Work supported by SSHRC.]
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