diff --git a/universal7885-common/configs/audio/audio_effects.xml b/universal7885-common/configs/audio/audio_effects.xml
index ebce9cf..a8aebdf 100644
--- a/universal7885-common/configs/audio/audio_effects.xml
+++ b/universal7885-common/configs/audio/audio_effects.xml
@@ -7,6 +7,7 @@
         <library name="downmix" path="libdownmix.so"/>
         <library name="loudness_enhancer" path="libldnhncr.so"/>
         <library name="dynamics_processing" path="libdynproc.so"/>
+        <library name="pre_processing" path="libaudiopreprocessing.so"/>
     </libraries>
     <effects>
         <effect name="bassboost" library="bundle" uuid="8631f300-72e2-11df-b57e-0002a5d5c51b"/>
@@ -21,5 +22,14 @@
         <effect name="downmix" library="downmix" uuid="93f04452-e4fe-41cc-91f9-e475b6d1d69f"/>
         <effect name="loudness_enhancer" library="loudness_enhancer" uuid="fa415329-2034-4bea-b5dc-5b381c8d1e2c"/>
         <effect name="dynamics_processing" library="dynamics_processing" uuid="e0e6539b-1781-7261-676f-6d7573696340"/>
+        <effect name="agc" library="pre_processing" uuid="aa8130e0-66fc-11e0-bad0-0002a5d5c51b"/>
+        <effect name="aec" library="pre_processing" uuid="bb392ec0-8d4d-11e0-a896-0002a5d5c51b"/>
+        <effect name="ns" library="pre_processing" uuid="c06c8400-8e06-11e0-9cb6-0002a5d5c51b"/>
     </effects>
+    <preprocess>
+        <stream type="voice_communication">
+            <apply effect="aec"/>
+            <apply effect="ns"/>
+        </stream>
+    </preprocess>
 </audio_effects_conf>