Audacity Forum

Many thanks to you both.

It's lunchtime here and I shall print out and study your comments carefully.

Most grateful,
Andy.

I'm perverse! Most people want to eliminate audio defects, whereas I need to create one, specifically the sound of an amplifier that is close to self-oscillation or 'taking off'. This effect was quite common on long-distance telephone calls until about twenty years ago. This is what a Bell System te...