[chuck-users] driving filter frequency from an envelope?
Robert Poor
rdpoor at gmail.com
Thu Apr 23 12:16:03 EDT 2009
Andrew:
Thanks for the code. I mostly wanted to know if there was a way to
control filter frequencies working entirely at the UG level, without
resorting to the:
1::samp => now;
construct. Thanks.
- Rob
On 23 Apr 2009, at 09:07, Andrew C. Smith wrote:
> Robert,
> This should work for you--sporked shreds run concurrently. A few
> things: I changed your Phasor to Step. This way you can set the
> multiplication value from any other shred, anywhere in the code
> without changing the "envdrive" shred. I don't know a ton about the
> computational thing, but basically with this method you're just
> controlling what the control rate is for every individual item.
> Everything is treated as audio, so it's up to you to decide what kind
> of signal fidelity you need if it's control or audio.
>
> Blit b => ResonZ z=> dac;
> Step constant => Envelope e2 => blackhole;
> constant.next(1.0);
>
> while(true)
> {
> spork ~envdrive();
> 10::second => now;
> }
>
>
> fun void envdrive(){
> now + 10::second => time then;
> e2.time(10);
> e2.value(0.01);
> e2.target(2.0);
> e2.keyOn(1);
> while (now <= then)
> {
> 1::samp => now;
> e2.last()*440.0 + 100 => z.freq;
> }
> }
>
>
> On Wed, Apr 22, 2009 at 8:35 AM, Kassen
> <signal.automatique at gmail.com> wrote:
>> Rob;
>>>
>>> So: is there a way to directly control the resonant frequency at
>>> the UG
>>> level without breaking back into "user code"?
>>
>>
>> No, sorry.
>>
>> (that was a easy one! :¬) )
>>
>> Yours
>> Kas.
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