Thanks paddyg for the huge effort. As PiGrahams solution looks more promising to me, I'll try that first. Maybe it even allows for switching on the tone without having to specify a duration in advance, but just switch it off any time later, which would be the ideal solution for me.

Thanks a lot, PiGraham! This could be the solution to my problem. I'll give it a try.
Do you know, if there's any problem in mixing tkinter and pygame (because I'm using tkinter for my appllication).

Thanks Andyroo, but I have no pre-defined sounds - could be anything.

Hi all, I kept searching the web and this forum for hours now, but found no satisfactory answer to this "problem". In Python 3 I would like to call a function like someObject.playSine( frequency, duration) or someObject.playRect(frequency,duration) to play a tone with sine or rectangle waveform of t...