SynthMaker

Feedback - CPU efficiency of, how SM handles, etc.

Archive · 2005 3 old posts

From the original SynthMaker forum (2004–2014), with its members’ names and dates.

grease ·

I don't quite get how SM handles feedback. When you create a feedback loop in SM (let's say from the output of some module back to its input), how long of a latency is there? Will it always be one sample in length?

It seems like feedback is not a great strain on CPU, am I correct? (I mean, so long as the feedback is damped and it dies out eventually.)

Sorry - I know these are kind of vague questions...I understand the basic concept of feedback, but I'm not sure how it's implemented digitally...

malc ·

All sounds right to me grease. Because we process 1 sample at a time you can do 1 sample feedback with the bare minimum of latency (ie 1 sample 🙂).

grease ·

Thanks for the response!

Yeah - here's a test to illustrate this, in case anyone is interested:

OK, cool - now that I know how feedback works, it seems like a low-CPU technique to get some interesting things...I'll have fun experimenting...

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