Author: Xinhui Zhou
Location: Dept. of Elect. and Comp. Eng., Univ. of Maryland, College Park, MD 20742, zxinhui@glue.umd.edu
Author: Suzanne Boyce
Location: Univ. of Cincinnati, Cincinnati, OH 45267
Author: Joel MacAuslan
Location: Speech Technol. and Appl. Res. Corp., Bedford, MA 01730
Author: Walter Carr
Location: Walter Reed Army Inst. of Medicine, Silver Spring, MD 20910
Author: Balkin Thomas
Location: Walter Reed Army Inst. of Medicine, Silver Spring, MD 20910
Author: Picchioni Dante
Location: Walter Reed Army Inst. of Medicine, Silver Spring, MD 20910
Author: Carol Espy‐Wilson
Location: Univ. of Maryland, College Park, MD, 20742
Abstract:
Various aspects of speech appear to be subtly affected by sleep deprivation [Boyce , “Landmark‐based analysis of sleep‐deprived speech,” J. Acoust. Soc. Am. 123(5), 3887 (2008)]. An automatic procedure for detection of nasalization in the acoustic spectrum of vowels was applied to a database of speech recordings from 15 subjects in rested and sleep‐deprived conditions. Results showed acoustic differences consistent with differences in sleep condition, suggesting that lack of sleep affects the motor organization∕execution of speech articulation in general, and for oral∕nasal coupling during vowels in particular. Significant differences in male vs female patterns were also observed. Correspondences between these patterns and those reported in the clinical and linguistic literature will be discussed. [Work supported by NIH.]