[PD] Re: [PD-announce] PWM in Pd

[Martin Peach]

Hans-Christoph Steiner wrote:
> 
> Aliasing is not so relevant for the quick and dirty PWM control  
> signal.  But it would be nice to have a clean signal.  I suppose I  
> should put a low pass to prevent that.
> 
> Or does someone have a better algorithm for a bandwidth limited PWM?

I'm thinking of an object that uses something like a tanh curve output 
at the desired frequency.
(http://www.mathworks.com/access/helpdesk/help/techdoc/ref/tanh.html)
Something based on osc~, it would have inputs for frequency, phase, 
pulsewidth and bandwidth; has that been done yet?

Martin