Some other pages on our site you may enjoy ...
A tutorial that provides an extensive introduction to our sensation of the loudness of sounds.
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.
RTGRAM is a free program for displaying a real-time scrolling speech spectrogram on Windows computers.