[PD] AM by keeping the Carrier (Not Ring Mod)

Martin Peach martin.peach at sympatico.ca
Tue Dec 31 19:22:45 CET 2013


On 2013-12-31 06:50, Arda Eden wrote:
> Hi,
> Most of the AM examples are simply multiplying carrier and modulator outputs, which is also known as Ring Modulation. But in the resulting spectrum the carrier is gone and only the side bands appear. I couldn’t figure out a way to keep the carrier signal in the resulting spectrum (Like as in real AM, not RM).
>
> It was easy in Csound for example, since the amplitude value is an input parameter to the oscil function.
>
> Any ideas ?

Do it the same way as in analog, add a DC offset to one of the signals.

[+~ 0.02]

Martin




More information about the Pd-list mailing list