I thought you had those defined :-).
This should compile:
import("stdfaust.lib");
x0 = 1;
x1 = 2;
x2 = 3;
x3 = 4;
xs = (x0, x1, x2, x3);
x(i) = ba.take(i+1,xs);
d(i) = i; // delay amount
process = par(i, 4, de.delay(16, d(i), x(i)));
// or just leave four inputs:
// process = par(i, 4, de.delay(16, d(i)));
On Sun, Dec 23, 2018 at 11:53 PM Dario Sanfilippo
<sanfilippo.da...@gmail.com> wrote:
>
> Hi, Julius.
>
> I'm trying your code with the online editor and if I try to plot the diagram
> I get an error: undefined symbol : x0. Was I supposed to change something in
> the code or should it run like that?
>
> I also tried adding passing the inputs as arguments in the main process like
> this
>
> ins = (x0, x1, x2, x3);
> x(i) = ba.take(i+1, ins);
> process(x0, x1, x2, x3) = par(i, 4, de.delay(16, ba.take(i+1, ins)));
>
> but I get the same error.
>
> Thanks for your help,
> Dario
>
>
> On Sun, 23 Dec 2018 at 23:04, Julius Smith <j...@ccrma.stanford.edu> wrote:
>>
>> Hi Dario,
>>
>> My usual approach is to use pattern matching:
>>
>> xs = (x0, x1, x2, x3); // bank of input signals
>> x(i) = ba.take(i+1,xs); // i'th signal
>> d(i) = i; // delay amount in branch i
>> process = par(i, 4, de.delay(16, d(i), x(i)));
>>
>> or simply "process = par(i, 4, de.delay(16, d(i));", leaving the input
>> signals unnamed.
>>
>> - Julius
>>
>> On Sun, Dec 23, 2018 at 10:16 PM Dario Sanfilippo
>> <sanfilippo.da...@gmail.com> wrote:
>> >
>> > Hello, list. First days into programming with Faust.
>> >
>> > For example, I would like to have a process with four inputs piloting the
>> > delay lengths of four delay lines in parallel.
>> >
>> > My first guess was to write the following:
>> >
>> > process(x0, x1, x2, x3) = par(i, 4, de.delay(16, xi));
>> >
>> > but Faust is looking for the xi symbol before i is processed, thus
>> > resulting undefined.
>> >
>> > Is there a way to process i before the matching parameters are looked for
>> > so that inside par there are the corresponding x0, x1, x2, x3?
>> >
>> > Thanks,
>> > Dario
>> > _______________________________________________
>> > Faudiostream-users mailing list
>> > Faudiostream-users@lists.sourceforge.net
>> > https://lists.sourceforge.net/lists/listinfo/faudiostream-users
>>
>>
>>
>> --
>>
>> Julius O. Smith III <j...@ccrma.stanford.edu>
>> Professor of Music and, by courtesy, Electrical Engineering
>> CCRMA, Stanford University
>> http://ccrma.stanford.edu/~jos/
--
Julius O. Smith III <j...@ccrma.stanford.edu>
Professor of Music and, by courtesy, Electrical Engineering
CCRMA, Stanford University
http://ccrma.stanford.edu/~jos/
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