Hi!

I'm quite new to PD and simply played around a little bit when the following question crossed my mind:

I have an oscillator running at 100Hz and and array which is updated every 100ms. 100Hz means 100 oscillations per second, so one full oscillator swing (from 1 to 1) should last a hundreth of a second = 10ms.

So, if I'm not already wrong at his point, I am supposed to see ten full oscillator circles on the array, no?
What happens with me is that I see one full oscillation at 400Hz. I attached a screenshot of this situation.

What am I getting wrong?
Thanks for your help!

http://www.pdpatchrepo.info/hurleur/osc.png

You should see ten full cycles IF the array size is 44100 points, or whatever your sample rate is. The default size of arrays is 100 points, or about 2.27ms. 44100 / 400 = 110.25 points, so pretty close.

Yes, I figured out it has something to do with the "size" you can set in the properties menu. Can you maybe tell me the exact correlation of the parameters of an array, I couldn't really find this somewhere else.
But as I'm very much used to work with oscilloscopes I'm kind of confused by the array...

Thanks for any advice and information!

the size of the array specifies how much samples (==time) can be stored in there
so if you have an array with 4410 points it can store 100ms at a samplerate of 44.1kHz or 25ms at 4*44.1kHz

maybe you want to try out my oscil~ (found in slurs-crap)

Mhm, ok I think I understood, thanks.
As I mentioned before, I'm quite new to PD, so please if you could tell me where to find "oscil~"...? Slurs-crap? Where could that be?
I run PD extended 0.42.5 on a 64-bit Linux machine...