THIS book under notice is divided into two parts; the first gives an account of the Gram-Charlier curves and curve fitting taken, in places verbatim, from the author's “Theory of Probability ...

FREQUENCY curves, correlation and sampling together form a subject in which a great deal still remains to be done, notwithstanding the progress that has been made in recent years. Much of the work ...

Eventually, the fittest frequency curves will emerge that endow the synthetic vocal with the most realistic characteristics of human singing.