Re: [sc-users] Filling buffers with envelopes

[f@xxxxxxxxxxxxxxxxxxx]

hi,
first, you'll want to have one more level value than time values for your Env.  or, put another way, from Env help: "There should be one fewer duration than there are levels".
anyways, your main problem i think is just a matter of specifying delta instead of absolute times.  like this...
e= Env([0, 0.1, 0.2, 0.3, 0.4, 0.5], [0.1, 0.1, 0.1, 0.1, 0.1], \lin);
a= Buffer.loadCollection(s, e.asSignal);
a.plot;

good luck,
_f

> 8 jan. 2019 kl. 08:13 skrev lance.bantham@xxxxxxxxx:
> 
> Hi there-
> Came across this post recently and wanted to try it myself.
> 
> What I noticed was that with different values, the envelope seems to translate in a pretty non-linear way.  I've added a single frame offset, also - since "frame 0" might not exist.
> Any idea how to make this behave correctly?
> 
> e= Env([0, 0.1, 0.2, 0.3, 0.4, 0.5], ([0, 0.1, 0.2, 0.3, 0.4, 1]*512)+1/s.sampleRate, \lin);
> a= Buffer.loadCollection(s, e.asSignal);
> a.plot;
> 
> 
> 
> On Tue, Oct 9, 2018 at 8:59 PM <klipklipklapklap@xxxxxxxxx> wrote:
> Fantastic, thank you Fredrik. This is exactly what I was hoping for. There was no specific reason to use BufWr. I am just learning how to work with buffers
> 
> Am Di., 9. Okt. 2018 um 08:18 Uhr schrieb <f@xxxxxxxxxxxxxxxxxxx>:
> do you have a particular reason to record (BufWr) the envelope into the buffer like that, or will this technique work...
> 
> e= Env([0, 0, 0.5, 1, -1, 0], [0, 50, 200, 100, 100].normalize*512/s.sampleRate, \lin)
> a= Buffer.loadCollection(s, e.asSignal)
> a.plot
> {|buf| SinOsc.ar*PlayBuf.ar(1, buf, doneAction:2)!2}.play(args: [\buf, a])
> 
> ?
> _f
> 
> > 9 okt. 2018 kl. 05:45 skrev klipklipklapklap@xxxxxxxxx:
> > 
> > Dear list,
> > 
> > This is a beginner question about buffers. I am trying to fill a buffer with an envelope.
> > 
> > This comes close to the result I am looking for:
> > (
> > a = Buffer.alloc(s, 512, 1);
> > 
> > (
> > y={arg rate=1;
> >     var in;
> >     in=EnvGen.ar(
> >         Env(
> >         [0, 0, 0.5, 1, -1, 0],
> >         [0, 50, 200, 100, 100].normalize*512/SampleRate.ir,
> >         \lin
> >     ), Impulse.ar(100));
> >         BufWr.ar(in, a, Phasor.ar(0, BufRateScale.kr(a) * rate, 0, BufFrames.kr(a)));
> >     0.0 //quiet
> > }.play;
> > )
> > 
> > But would it be possible to write just one cycle of the envelope into the buffer?
> > 
> > Thank you!
> > Max
> 
> 
>   #|
>      fredrikolofsson.com     musicalfieldsforever.com
>   |#
> 
> 
> _______________________________________________
> sc-users mailing list
> 
> info (subscription, etc.): http://www.birmingham.ac.uk/facilities/ea-studios/research/supercollider/mailinglist.aspx
> archive: https://listarc.bham.ac.uk/marchives/sc-users/
> search: https://listarc.bham.ac.uk/lists/sc-users/search/


  #|
     fredrikolofsson.com     musicalfieldsforever.com
  |#


_______________________________________________
sc-users mailing list

info (subscription, etc.): http://www.birmingham.ac.uk/facilities/ea-studios/research/supercollider/mailinglist.aspx
archive: https://listarc.bham.ac.uk/marchives/sc-users/
search: https://listarc.bham.ac.uk/lists/sc-users/search/