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. Author manuscript; available in PMC: 2008 Apr 15.
Published in final edited form as: J Acoust Soc Am. 2007 Jun;121(6):3770–3789. doi: 10.1121/1.2730621

FIG. 13.

FIG. 13

F1 and F2 formant frequencies (top), and mode coefficients (bottom) shown over the time course of six vowel sequences for JW26. The areas with white background indicate time periods where formant frequencies could be estimated from the audio signal, whereas, gray areas denote periods of silence between the production of the vowel sequences.