Some other pages on our site you may enjoy:
EFxHist - Fundamental Frequency Histograms
EFxHist is a program to analyse joint speech and laryngograph recordings. EFxHist locates each pitch period in the laryngograph waveform and produces statistical analyses including distributions of fundamental frequency, closed-quotient, jitter and shimmer. More information.
VTDEMO - Articulatory synthesis teaching tool
VTDemo is a free program designed to demonstrate how the vocal tract generates different sounds. More information.