diff --git a/README.md b/README.md
index b4bf1d1..c6830f1 100644
--- a/README.md
+++ b/README.md
@@ -257,6 +257,7 @@ gst-launch-1.0 \
 export TARGET=192.168.1.1 
 gst-launch-1.0 \
   autoaudiosrc ! \
+    webrtcdsp ! \
     queue ! \
     audioresample ! \
     opusenc audio-type=voice inband-fec=FALSE frame-size=20 ! \
@@ -267,5 +268,6 @@ gst-launch-1.0 \
     rtpopusdepay ! \
     opusdec plc=TRUE use-inband-fec=FALSE ! \
     audioresample ! \
+    webrtcechoprobe ! \
     autoaudiosink
 ```