[sdiy] resultant Bass, was Brain filling in fundamental

[Paul Perry]

It's true that a flute plays only one "note" at a time. But the note
contains a number of harmonics, and these are not exact multiples of the
fundamental.
We're moving a fair way off from synth-diy though.

paul perry Melbourne Australia

-----Original Message-----
On Behalf Of Ingo Debus
Am 18.07.2008 um 10:28 schrieb James Dunn:

>> However, I remember the sound I heard at a certain point was  
>> distinctly like ring modulation (sum and difference) and it sounded  
>> like they were not in the space, but in my head!

>I experenced the same thing when I was playing a sequence of high  
>notes on the flute (hearing only an additional lower note, probably  
>the difference tone). My flute teacher told me that this is normal.


>> Is this an example of non-linear mixing in the ear?

>Obviously, what else could it be? Since only one note is played at a  
>time, I wonder if it's the currently played note mixing with the  
>acoustic echo of the previous one, or if the "mixing" is done in the  
>brain?
>Ingo