I don't really have time to help you today, so I'll make this quick. Am Montag, 17. Juli 2017, 16:08:40 CEST schrieb Yassin Philip: > See, I thought that > > Inverted(b, x) = if(b, 1 - x, x); > > Defined x...
"Inverted" is a function of b and x that passes x through untouched (if b is false) or inverts it (if b is true). Note that it can be used without explicitly passing x, i.e.: process = Inverted(b); // same as _ : Inverted(b) which hopefully answers one of your previous questions with regards to functions acting as input to other functions (just chain them). > And about that "if", where are Faust's control structures > syntax documented? Is it a standard C++ if? if() is a library function that uses select2(), which is documented in the quick-reference. select2() is basically a switch in a signal flow graph (as used in graphical signal processing models). > As far as I know, there are two pieces of documentation for Faust : The > Quick Reference <http://faust.grame.fr/docs/faust-quick-reference.pdf> > PDF and the "Libraries" doc <http://faust.grame.fr/library.html>. I > think I'm missing something, am I not? Since it's a library function, "if()" is documented in the in the library (in the PDF on page 38). > Please, if anybody reading this know of a working example of an > amplitude following function, please let me know! > > Phil I'm not an expert on the topic, but an "amplitude follower" to me sounds like an envelope detector, which can be implemented as a half-wave rectifier followed by a low-pass filter (see https://en.wikipedia.org/wiki/Envelope_detector, does that look like what you mean?). But you'll have to dig for that yourself at the moment, I think. Looking at your later email, the various amp_detector() functions do exactly what I explained above (except they use the magnitude instead of half-wave rectification). HTH -- Marc Joliet -- "People who think they know everything really annoy those of us who know we don't" - Bjarne Stroustrup
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