diff --git a/voltage.scd b/voltage.scd
index 43148e2..b14bc7e 100644
--- a/voltage.scd
+++ b/voltage.scd
@@ -1,10 +1,18 @@
 (
   (
-    SynthDef (\pitch, { | out, n, channel, stepsPerOctave = 12, rate = 1, delta, begin, end, portamento = 0, accelerate = 0 |
+    SynthDef (\pitch, { | out,
+      n,
+      channel,
+      stepsPerOctave = 12,
+      rate = 1,
+      delta,
+      begin,
+      end,
+      portamento = 0 |
       var slew, env, phase;
       n = n + (stepsPerOctave / 12);
       n = (n + (n / stepsPerOctave) * (1 / (stepsPerOctave + 1)) / 10);
-      slew = (portamento * accelerate);
+      slew = (portamento);
       slew = (slew + (slew / stepsPerOctave) * (1 / (stepsPerOctave + 1)) / 10);
       env = Env ([n, n + slew], [delta / rate]);
       phase = Line.ar (begin, end, delta / rate);
@@ -13,10 +21,27 @@
   );
 
   (
-    SynthDef (\voltage, { | out, channel, n, rate = 1, delta, begin, end, portamento = 0, accelerate = 0 |
+    SynthDef (\gate, { | out,
+      channel,
+      n |
+      n = n * 5;
+      OffsetOut.ar (channel, DC.ar (n));
+    }).add
+  );
+
+  (
+    SynthDef (\voltage, { | out,
+      channel,
+      n,
+      rate = 1,
+      delta,
+      begin,
+      end,
+      portamento = 0 |
       var slew, env, phase;
       n = n * 5;
-      slew = (portamento * accelerate);
+      slew = (portamento);
+      rate = rate;
       env = Env ([n, n + slew], [delta / rate]);
       phase = Line.ar (begin, end, delta / rate);
       OffsetOut.ar (channel, IEnvGen.ar (env, phase));
@@ -24,11 +49,19 @@
   );
 
   (
-    SynthDef (\adsr, { | out, channel, attack = 0.1, decay = 0.5, sustain = 0.5, release = 0.5, begin, end |
+    SynthDef (\ar, { | out,
+      channel,
+      attack = 0.01,
+      decay = 0.25,
+      sustain = 0.25,
+      release = 0.25,
+      begin,
+      end |
       var env, phase;
       env = Env.adsr (attack, decay, sustain, release);
       phase = Line.ar (begin, end, sustain);
       OffsetOut.ar (channel, IEnvGen.ar (env, phase));
     }).add
   );
+
 )