The Multi Tone Generator (MTG) turns the PC into a multi oscillator sound generator for testing or demonstration, effects, education and other purposes. Features include: Constant and swept tones; 4 wave forms (Sine/square/triangle/white noise); Preset storage; Multi sound card support.

You can buy the unlock key to access unlimited use and the additional features at link:http://shareit1.element5.com/product.html?cart=1&productid=165652