[chuck-users] No simple vibrato example

[Steve Morris]

You can combine ugen outputs in multiple complex ways. For example here is
how to multiply the output of two SinOsc's. I'm typing away from my chuck
station so please forgive typos.

Gain mult => dac; // The 'mult' ugen will be used as a multiplier.

// The ugen op() method tells the ugen how to combine inputs. 3 means
multiply.
// By default ugens add inputs.
mult.op(3);

// Chuck both SinOscs  to mult.
SinOsc osc1 => mult;
SinOsc osc2 => mult;

Now the output of the mult will be the product of the two SinOsc ugens
which should allow a basic vibrato.

-steve aka zencuke


On Thu, Dec 5, 2013 at 5:54 AM, Manuel Bärenz <manuel at enigmage.de> wrote:

>  Awesome, thanks a lot! Is this sine.sync documented somewhere? Is it
> possible to modulate sine.gain as well that way?
>
> Am 05/12/13 01:12, schrieb Moisés Gabriel Cachay Tello:
>
> You can always try to modulate the Oscilator:
>
>  SinOsc vibrato => SinOsc sine => dac;
>  // This will tell sine to take the vibrato input as a modulator of
> // it's frequency.
> 2 => sine.sync;
>
>  5 => vibrato.freq;
> 10 => vibrato.gain;
>
>  5::second => now;
>
>
> 2013/12/4 Manuel Bärenz <manuel at enigmage.de>
>
>> Hi guys,
>>
>> I'm giving a presentation on ChucK tomorrow and I wanted to show off
>> some of the basic features in a live coding session. I found that
>> creating a vibrato (modulating the frequency) is far too hard. The
>> example I'm looking at is
>> http://chuck.cs.princeton.edu/doc/examples/basic/whirl.ck. In an
>> infinite loop, you have this code:
>>
>>     30 + ( Math.sin(t) + 1.0 ) * 10000.0 => s.sfreq;
>>     t + .004 => t;
>>
>> Here, t is a float and s is a SinOsc. Now, what I would have expected is
>> the following, more intuitive setup outside the loop:
>>
>> 30 + SinOsc freq_mod => s.freq;
>> 1 => freq_mod.freq;
>>
>> I know that the first line with the "30 + SinOsc" is probably nonsense
>> in itself, but I could work around that (by using a step UGen for
>> example). My actual problem is that you can't chuck a SinOsc into s.freq.
>> Consider this line:
>>
>> SinOsc freq_mod => s.freq;
>>
>> I get an error like this:
>> arguments type(s) do not match:
>> ... for function 'SinOsc.freq(...)' ...
>> ...(please check the argument types)
>>
>> Is this something that the language is simply not capable of or am I
>> doing something wrong?
>>
>> Best, Manuel
>> _______________________________________________
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>> chuck-users at lists.cs.princeton.edu
>> https://lists.cs.princeton.edu/mailman/listinfo/chuck-users
>>
>
>
>
>  --
> -Moisés
>
>
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