Abstract
Voice quality contour measurements were used to detect prosody markers. This work is an extension of an earlier paper that examined static voice quality measures for prosody detection. Voice quality measures include those related to the voice source, such as open quotient, spectral tilt, and harmonic component distributions. Specifically, the measurements comprise: the relative amplitudes of the first two harmonics; the relative amplitudes of the first harmonic in relation to the amplitudes of the first and third formants. Contour measurements over several syllables, in addition to static measurements at the nucleus of each syllable, were used to detect ToBI markers for accent and boundaries. Experimental results show varying improvements over using only static measurements.
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