[sdiy] Harmonic content of the "sigmoid" half-sine wave

[Scott]

I think you answered his question.

(This has been a great discussion!  Love this list!)

-----Original Message-----
From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of Ian Fritz
Sent: Thursday, June 04, 2009 11:57 AM
To: Jerry Gray-Eskue; Synth-diy at dropmix.xs4all.nl
Subject: RE: [sdiy] Harmonic content of the "sigmoid" half-sine wave

At 10:22 AM 6/4/2009, Jerry Gray-Eskue wrote:
><<The beat frequency is the (a-b)/2 frequency.>>
>
><<There is no difference frequency produced.  Beats and difference tones are
>different thing.>>
>
>For an electronic signal I can see and grasp this as the case, but for us to
>hear the signal we must use some form of mechanical transducer, a speaker or
>the body of an acoustical guitar for example.

Well, the speaker and the pressure in your eardrum follow the electronic 
signal (ideally).  So I'm not really following your question. 

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