[sdiy] Additive Synthesis - phase shifts important??

[cheater cheater]

That's not phase shift, that's microdelay :P

Damian

On 7/15/08, harrybissell at wowway.com <harrybissell at wowway.com> wrote:
> So here you mean a wave that has the same harmonic content
>  (amplitude) as a square wave
>
>  F + 1/3(3F) + 1/5(5F)...
>
>  but with different relative phases for the harmonics.
>
>  You cannot hear the static difference between them... but your
>  rectifier becomes the "non-linear" element and then you
>  CAN hear the result.
>
>  I was assuming you meant a square wave 'phase shifted' (i.e.
>  delayed in time) which would not be audible...
>
>  H^) harry
>
>
>
>
>  On Tue, 15 Jul 2008 17:14:58 +0100, cheater cheater wrote
>
> > Heheh, yeah.
>  > So, to paraphrase what I posted earlier:
>  >
>  > I'm pretty sure that even a constant phase-shift will give you a
>  > noticable change in the timbre.
>  >
>  > But even then, consider the fact that the signal will overdrive
>  > differently. Just put a square wave through a rectifier - you still
>  > get a square wave. If you put the square wave shifted by Pi/2 (so an
>  > 'arc sin wave') you will get something very different, that would
>  > look more like an exponentialized trapezoid wave.
>  >
>  > Now that everyone knows I meant half-wave rectification, this example
>  > should be clear as water 8)
>  >
>  > (murky water in a swamp but still)
>  > Cheers
>  > D.
>  >
>  > On 7/15/08, John Mahoney <jmahoney at gate.net> wrote:
>  > > AFAIK, you're talking half-wave rectification and Harry's talking full-wave
>  > > rectification.
>  > >
>  > >  John
>  > >
>  > >
>  > >
>  > >  At 09:58 AM 7/15/2008, cheater cheater wrote:
>  > >
>  > > > Hmm... then how do you call removing the negative half of the signal?
>  > > >
>  > > > I think it's rectification. :P
>  > > >
>  > > > Cheers
>  > > > D.
>  > > >
>  > > > On 7/15/08, harrybissell at wowway.com <harrybissell at wowway.com> wrote:
>  > > > > Rectifying a square (or pulse)wave gives you DC...  ;^P
>  > > > >
>  > > > >  H^) harry
>  > > >
>  > >
>  > >
>
> > _______________________________________________
>  > Synth-diy mailing list
>  > Synth-diy at dropmix.xs4all.nl
>  > http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>
>
>  Harry Bissell & Nora Abdullah 4eva
>
>