declare name 		"vumeter";
declare version 	"1.0";
declare author 		"Grame";
declare license 	"BSD";
declare copyright 	"(c)GRAME 2006";

//-------------------------------------------------
// Simple vumeter
//-------------------------------------------------

import("math.lib");
import("music.lib");

vmeter(x) = attach(x, envelop(x) : vbargraph("[2][unit:dB]", -70, +5));
hmeter(x) = attach(x, envelop(x) : hbargraph("[2][unit:dB]", -70, +5));

envelop = abs : max ~ -(1.0/SR) : max(db2linear(-70)) : linear2db;

process = hmeter, hmeter;
