Re: [chuck-users] Can I use ADSR UGen to envelope parameters other than gain (e.g. pitch)?

This might be shameless plug for a few Chugins I created, but I thought it might be up your alley. I made two Chugins a while back that deal with atypical envelope types, one for power based envelopes, and one based on window functions. I enjoy using window function envelopes for sine sweeps other types of control; here are two short examples. This is the power based Chugin. PowerADSR pow => blackhole; // envelope durations pow.set(10::ms, 10::ms, 1.0, 10::ms); // curves for attack, decay, and release pow.setCurves(0.5, 2.0, 0.5); spork ~ printValue(); pow.keyOn(); 20::ms => now; pow.keyOff(); 10::ms => now; fun void printValue() { while (true) { <<< "Power ADSR Value:", pow.value() >>>; 1::ms => now; } } And here is the window function based Chugin. WinFuncEnv win => dac; // set for a Blackman window win.setBlackman(); // envelope durations win.attackTime(25::ms); win.releaseTime(25::ms); spork ~ printValue(); win.keyOn(); 25::ms => now; win.keyOff(); 25::ms => now; fun void printValue() { while (true) { <<< "Window Value:", win.windowValue() >>>; 1::ms => now; } } On Wed, Nov 1, 2017 at 10:13 AM, Jean Menezes da Rocha < jean@menezesdarocha.info> wrote:

Great! That was exactly what I wanted (and suspected but couldn't figure out)!

Thank you very much, guys!

Em qua, 1 de nov de 2017 às 15:04, Mario Buoninfante < mario.buoninfante@gmail.com> escreveu:

...

Hi,

yap, the following is a possible solution:

Step step => ADSR adsr => SinOsc oscil => dac;

step.next(500); adsr.set(5::ms, 150::ms, 1, 500::ms);

while(true){ adsr.keyOn();

400::ms => now;

adsr.keyOff();

1000::ms => now; }

cheers, Mario

2017-11-01 16:17 GMT+00:00 Michael Heuer :

...

Yes, I use the following pattern often

220.0 => float f; SinOsc osc => dac; ASDR adsr => blackhole;

spork ~ updateAtSampleRate();

fun void updateAtSampleRate() { while (true) { f + adsr.last() * f => osc.freq; 1::samp => now; } }

There is also this pattern, which tries to encapsulate the above (whatever you chuck into cv Gain(s) are provided as float parameter(s) to the tick method)

https://github.com/heuermh/lick/blob/master/lick/module/Module.ck https://github.com/heuermh/lick/blob/master/examples/moduleExample.ck

Cheers,

michael

On Wed, Nov 1, 2017 at 11:05 AM, Jean Menezes da Rocha < jean@menezesdarocha.info> wrote:

...

Hello,

the ADSR UGen, to me, seems to have effect only over amplitude (which is its original function, I concede). However, is there any use case where I can use ADSR to map, say, pitch instead of amplitude, in order to avoid recurring to functions and for loops?

Thanks in advance! -- Jean Menezes da Rocha Compositor Professor Doutorando em Música pela Universidade Federal da Bahia

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-- Jean Menezes da Rocha Compositor Professor Doutorando em Música pela Universidade Federal da Bahia

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