diff --git a/ExampleFilters/alien.eff b/ExampleFilters/alien.eff
index 1cdae2e..5be20a2 100644
--- a/ExampleFilters/alien.eff
+++ b/ExampleFilters/alien.eff
@@ -1,7 +1,4 @@
 <effect name="Alien">
-    <biquad type="notch" fc="28" q="20" gain="-50" />
-    <biquad type="notch" fc="91" q="20" gain="-50" />
-    <biquad type="notch" fc="120" q="20" gain="-50" />
-    <biquad type="lowpass" fc="10000" q="1" gain="-10" />
-    <lfo frequency="100" depth="0.5" />
+    <!--biquad type="lowpass" fc="10000" q="1" gain="-10" /-->
+    <lfo frequency="50" depth="1.0" waveform="triangle" mode="replace"/>
 </effect>
diff --git a/ExampleFilters/bigecho.eff b/ExampleFilters/bigecho.eff
index 6d90b62..69cf6d8 100644
--- a/ExampleFilters/bigecho.eff
+++ b/ExampleFilters/bigecho.eff
@@ -1,7 +1,4 @@
 <effect name="Big Echo">
-    <biquad type="notch" fc="28" q="20" gain="-50" />
-    <biquad type="notch" fc="91" q="20" gain="-50" />
-    <biquad type="notch" fc="120" q="20" gain="-50" />
     <delayline>
         <delay samples="22000" gain="0.2" pan="-0.3">
             <biquad type="highpass" fc="300" q="1" gain="0" />
diff --git a/ExampleFilters/cuthumagc.eff b/ExampleFilters/cuthumagc.eff
index 9bd6900..e8a4d16 100644
--- a/ExampleFilters/cuthumagc.eff
+++ b/ExampleFilters/cuthumagc.eff
@@ -3,5 +3,5 @@
     <biquad type="notch" fc="91" q="20" gain="-50" />
     <biquad type="notch" fc="120" q="20" gain="-50" />
     <biquad type="lowpass" fc="10000" q="1" gain="-10" />
-    <agc ceiling="0.666" limit="1" attack="0.1" decay="0.01" />
+    <agc ceiling="0.666" limit="1.5" attack="0.08" decay="0.01" />
 </effect>
diff --git a/ExampleFilters/cuthumagcstereo.eff b/ExampleFilters/cuthumagcstereo.eff
new file mode 100644
index 0000000..819739e
--- /dev/null
+++ b/ExampleFilters/cuthumagcstereo.eff
@@ -0,0 +1,15 @@
+<effect name="Cut Computer Hum (with AGC and Stereo)">
+    <biquad type="notch" fc="28" q="20" gain="-50" />
+    <biquad type="notch" fc="91" q="20" gain="-50" />
+    <biquad type="notch" fc="120" q="20" gain="-50" />
+    <biquad type="lowpass" fc="10000" q="1" gain="-10" />
+    <delayline wetonly="false">
+        <delay samples="-100" gain="0.1" pan="-1.0">
+            <biquad type="highpass" fc="300" q="1" gain="0" />
+        </delay>
+        <delay samples="100" gain="0.1" pan="1.0">
+            <biquad type="highpass" fc="300" q="1" gain="0" />
+        </delay>
+    </delayline>
+    <agc ceiling="0.666" limit="1.5" attack="0.1" decay="0.01" />
+</effect>
diff --git a/ExampleFilters/ethereal.eff b/ExampleFilters/ethereal.eff
index 04d25bb..d9a3d5f 100644
--- a/ExampleFilters/ethereal.eff
+++ b/ExampleFilters/ethereal.eff
@@ -1,7 +1,4 @@
 <effect name="Ethereal Voice">
-    <biquad type="notch" fc="28" q="20" gain="-50" />
-    <biquad type="notch" fc="91" q="20" gain="-50" />
-    <biquad type="notch" fc="120" q="20" gain="-50" />
     <amplifier gain="0.1" />
     <delayline>
         <delay samples="2000" gain="1.0" pan="-0.3">
diff --git a/ExampleFilters/largeroom.eff b/ExampleFilters/largeroom.eff
index 75cdbb1..062beca 100644
--- a/ExampleFilters/largeroom.eff
+++ b/ExampleFilters/largeroom.eff
@@ -1,7 +1,4 @@
 <effect name="Large Room (quiet)">
-    <biquad type="notch" fc="28" q="20" gain="-50" />
-    <biquad type="notch" fc="91" q="20" gain="-50" />
-    <biquad type="notch" fc="120" q="20" gain="-50" />
     <biquad type="lowpass" fc="10000" q="1" gain="-10" />
     <delayline>
         <delay samples="5500" gain="0.2" pan="-0.3">
diff --git a/ExampleFilters/largeroomloud.eff b/ExampleFilters/largeroomloud.eff
index a0d952d..b6fe803 100644
--- a/ExampleFilters/largeroomloud.eff
+++ b/ExampleFilters/largeroomloud.eff
@@ -1,7 +1,4 @@
 <effect name="Large Room (loud)">
-    <biquad type="notch" fc="28" q="20" gain="-50" />
-    <biquad type="notch" fc="91" q="20" gain="-50" />
-    <biquad type="notch" fc="120" q="20" gain="-50" />
     <biquad type="lowpass" fc="10000" q="1" gain="-10" />
     <delayline>
         <delay samples="5500" gain="0.2" pan="-0.3">
diff --git a/ExampleFilters/panleft.eff b/ExampleFilters/panleft.eff
new file mode 100644
index 0000000..652fc9a
--- /dev/null
+++ b/ExampleFilters/panleft.eff
@@ -0,0 +1,3 @@
+<effect name="Pan Left">
+    <pan pan="-0.4" />
+</effect>
diff --git a/ExampleFilters/panright.eff b/ExampleFilters/panright.eff
new file mode 100644
index 0000000..09298f9
--- /dev/null
+++ b/ExampleFilters/panright.eff
@@ -0,0 +1,3 @@
+<effect name="Pan Right">
+    <pan pan="0.4" />
+</effect>
diff --git a/ExampleFilters/phone.eff b/ExampleFilters/phone.eff
index ed935ca..1c544ce 100644
--- a/ExampleFilters/phone.eff
+++ b/ExampleFilters/phone.eff
@@ -1,7 +1,4 @@
 <effect name="Telephone">
-    <biquad type="notch" fc="28" q="20" gain="-50" />
-    <biquad type="notch" fc="91" q="20" gain="-50" />
-    <biquad type="notch" fc="120" q="20" gain="-50" />
     <biquad type="lowshelf" fc="400" q="10" gain="-20" />
     <biquad type="highshelf" fc="8000" q="10" gain="-20" />
     <delayline>
diff --git a/ExampleFilters/radio.eff b/ExampleFilters/radio.eff
index 853d323..9915c06 100644
--- a/ExampleFilters/radio.eff
+++ b/ExampleFilters/radio.eff
@@ -1,14 +1,12 @@
 <effect name="Radio">
-    <biquad type="notch" fc="28" q="20" gain="-50" />
-    <biquad type="notch" fc="91" q="20" gain="-50" />
-    <biquad type="notch" fc="120" q="20" gain="-50" />
-    <amplifier gain="0.1" />
-    <biquad type="peak" fc="1000" q="10" gain="45" />
-    <lfo frequency="5000" depth="0.3" />
-    <clipping clip="0.3" />
+    <amplifier gain="0.5" />
+    <biquad type="peak" fc="1000" q="10" gain="25" />
+    <lfo frequency="3000" depth="0.3" waveform="sine" mode="add" />
+    <clipping clip="0.9" />
     <biquad type="highshelf" fc="8000" q="1" gain="-20" />
     <delayline>
         <delay samples="100" gain="0.7" />
         <delay samples="200" gain="0.5" />
     </delayline>
+    <amplifier gain="0.3" />
 </effect>
diff --git a/ExampleFilters/robotic.eff b/ExampleFilters/robotic.eff
index be0b1db..c9b0b9a 100644
--- a/ExampleFilters/robotic.eff
+++ b/ExampleFilters/robotic.eff
@@ -1,7 +1,4 @@
 <effect name="Robotic">
-    <biquad type="notch" fc="28" q="20" gain="-50" />
-    <biquad type="notch" fc="91" q="20" gain="-50" />
-    <biquad type="notch" fc="120" q="20" gain="-50" />
     <biquad type="lowshelf" fc="100" q="2" gain="-20" />
     <delayline>
         <delay samples="400" gain="1" pan="-0.3" />
diff --git a/ExampleFilters/stereochorus.eff b/ExampleFilters/stereochorus.eff
new file mode 100644
index 0000000..33b2498
--- /dev/null
+++ b/ExampleFilters/stereochorus.eff
@@ -0,0 +1,10 @@
+<effect name="Stereo Chorus">
+    <delayline>
+        <delay samples="2000" gain="0.1" pan="-0.3">
+            <biquad type="highpass" fc="300" q="1" gain="0" />
+        </delay>
+        <delay samples="4000" gain="0.1" pan="0.3">
+            <biquad type="highpass" fc="300" q="1" gain="0" />
+        </delay>
+    </delayline>
+</effect>