Pitch [Hz] Default is A3 below C4 (middle C) Waveform:(for arbitrary waveform, use slider box)
Attack seconds Sine Wave
Sustain seconds Square Wave
Release seconds Sawtooth Wave

This applet requires Java 1.1 and a sound card.    The highest frequency that can be produced without aliasing problems is ~3500Hz.   This demonstration was created by Dan Boye and Mario Belloni.