Abstract
An attempt has been made, using the Edinburgh resonance analog speech synthesizer (PAT) to simulate various voice qualities in a long stretch of connected synthetic speech. The components of voice quality include supralaryngeal modifications such as nazalization, pharyngalization, etc., and laryngeal modifications (varieties of phonation type) such as whisper, falsetto, breathy voice, harsh voice, and creaky voice. The acoustic variables used for constructing the voice qualities were fundamental-frequency range, formant-frequency ranges, formant bandwidths, addition of varying amounts of hiss to voicing in the formant excitation, and variation of the spectral weighting of the hiss and the voice components of the source. Some of the more successful simulations are demonstrated and a tape recording of all results is available for those wishing to study them in greater detail.
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