Investigations into the auditory F0 speechreading enhancement effect using a sinusoidal replica of the F0 contour. - Arthur Boothroyd; Robin S. Waldstein; Eddy Yeung (ICSLP, 1992)

Speechreading enhancement using a sinusoidal substitute for voice fundamental frequency. - Robin S. Waldstein; Arthur Boothroyd (Speech Commun., 1994)