ampdb convert linear amplitude to decibels
a.ampdb
ampdb(a)
0.1.ampdb;
(ampdb(0.1).asString ++ " decibels");
[0.001, 0.01, 0.1, 1, 10].ampdb;
\foo.ampdb; // returns itself. this is used in Envelopes see Env.
f = ampdb({|x| sin(x) + 1 });
f.value((0..1000).normalize(0, 8pi)).plot;
(
{
var a = LFSaw.ar(100).range(0.0001, 10);
[a, a.ampdb]
}.plot(minval: -60, maxval: 10)
)