[PD] signal math explanation

[Martin Peach]

On 2014-01-18 12:49, IOhannes m zmölnig wrote:
> On 01/18/2014 06:24 PM, Pall Thayer wrote:
>> Can anyone tell me what one is accomplishing when doing something like this:
>>
>> [osc~ 440]
>> |
>> [+~]
>> |\     x1
>> [+~]
>> |\     x2
>> [+~]
>> |\     x3
>> [+~]
>>         x4
>>
...

>
> so you could write the patch as:
>
> [osc~ 440]
> |
> [*~ 8]
>
>
> more often you see [*~] instead of [+~], which is a simple way to square
> the input.
>

Of course squaring the input like

[osc~]
|  |
[*~]

also doubles its frequency.

It makes an interesting kind of noise too if you do
[noise~]
| |
[*~]

...not sure what colour of noise that is, blue?  It seems to have more 
high frequency content than white noise.

Martin