Ciao Gianfranco,
>I think the AutoFilter has something wrong.
[...]
>According to the webpage doc, in default settings it should work as a
>AutoWah but it doesn't.
You're right, the last round of changes have reduced the range of
automatic filter modulation to the point of it being virtually
inaudible. Sorry!
The attached patch restores the modulation range (and it increases the
default filter gain) so the effect becomes much more pronounced.
Grazie,
Tim
--- AutoFilter.cc 2013-01-11 11:38:12.000000000 +0100
+++ /home/tim/caps/AutoFilter.cc 2013-01-17 09:46:21.000000000 +0100
@@ -91,7 +91,7 @@
float range = getport(6);
float env = getport(7);
- lorenz.set_rate (2.268e-05*fs * .6*sq (getport(8)));
+ lorenz.set_rate (3e-05*fs * .6*sq(getport(8)));
float x = getport(9), z = 1-x;
sample_t * s = ports[10];
@@ -101,14 +101,16 @@
{
lorenz.step();
- double fmod = x*lorenz.get_x() + z*lorenz.get_z();
+ double fmod = 2.5*(x*lorenz.get_x() + z*lorenz.get_z());
double fenv = smoothenv.process (rms.get()+normal);
fenv = 64*fenv*fenv;
#if 0
static int _turn = 0;
+ static float ffm = 0;
+ ffm = max(fabs(fmod),ffm);
if (_turn++ % 100 == 0)
- fprintf (stderr, "%.4f %.4f\n", fmod, env);
+ fprintf (stderr, "%.4f %.4f %.4f\n", fmod, env, ffm);
#endif
fmod = fmod*(1-env) + fenv*env;
fmod *= range;
@@ -195,7 +197,7 @@
"{0:'low pass',1:'band pass',}" },
{ "filter", CTRL_IN | GROUP, {DEFAULT_1 | INTEGER, 0, 4},
"{0:'breathy',1:'fat A',2:'fat B',3:'fat C',4:'fat D'}", },
- { "gain (dB)", CTRL_IN, {DEFAULT_0, -12, 24} },
+ { "gain (dB)", CTRL_IN, {DEFAULT_LOW, 0, 24} },
/* 4 */
{ "f (Hz)", CTRL_IN | GROUP, {LOG | DEFAULT_LOW, 43, 3743} },
{ "Q", CTRL_IN, {DEFAULT_0, 0, 1} },
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