diff --git a/audio/cheetah/config/audio_policy_configuration.xml b/audio/cheetah/config/audio_policy_configuration.xml
index f9b419c..2e15f64 100644
--- a/audio/cheetah/config/audio_policy_configuration.xml
+++ b/audio/cheetah/config/audio_policy_configuration.xml
@@ -27,7 +27,8 @@
             </attachedDevices>
             <defaultOutputDevice>Speaker</defaultOutputDevice>
             <mixPorts>
-                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST">
+                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST"
+                         recommendedMuteDurationMs="40">
                     <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
diff --git a/audio/cheetah/config/audio_policy_configuration_a2dp_offload_disabled.xml b/audio/cheetah/config/audio_policy_configuration_a2dp_offload_disabled.xml
index f832eac..dc916ea 100644
--- a/audio/cheetah/config/audio_policy_configuration_a2dp_offload_disabled.xml
+++ b/audio/cheetah/config/audio_policy_configuration_a2dp_offload_disabled.xml
@@ -27,7 +27,8 @@
             </attachedDevices>
             <defaultOutputDevice>Speaker</defaultOutputDevice>
             <mixPorts>
-                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST">
+                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST"
+                         recommendedMuteDurationMs="40">
                     <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
diff --git a/audio/cheetah/config/audio_policy_configuration_bluetooth_legacy_hal.xml b/audio/cheetah/config/audio_policy_configuration_bluetooth_legacy_hal.xml
index c3c66c4..484048f 100644
--- a/audio/cheetah/config/audio_policy_configuration_bluetooth_legacy_hal.xml
+++ b/audio/cheetah/config/audio_policy_configuration_bluetooth_legacy_hal.xml
@@ -27,7 +27,8 @@
             </attachedDevices>
             <defaultOutputDevice>Speaker</defaultOutputDevice>
             <mixPorts>
-                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST">
+                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST"
+                         recommendedMuteDurationMs="40">
                     <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
diff --git a/audio/cheetah/config/audio_policy_configuration_le_offload_disabled.xml b/audio/cheetah/config/audio_policy_configuration_le_offload_disabled.xml
index b2abc72..612295c 100644
--- a/audio/cheetah/config/audio_policy_configuration_le_offload_disabled.xml
+++ b/audio/cheetah/config/audio_policy_configuration_le_offload_disabled.xml
@@ -27,7 +27,8 @@
             </attachedDevices>
             <defaultOutputDevice>Speaker</defaultOutputDevice>
             <mixPorts>
-                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST">
+                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST"
+                         recommendedMuteDurationMs="40">
                     <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
diff --git a/audio/panther/config/audio_policy_configuration.xml b/audio/panther/config/audio_policy_configuration.xml
index f9b419c..2e15f64 100644
--- a/audio/panther/config/audio_policy_configuration.xml
+++ b/audio/panther/config/audio_policy_configuration.xml
@@ -27,7 +27,8 @@
             </attachedDevices>
             <defaultOutputDevice>Speaker</defaultOutputDevice>
             <mixPorts>
-                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST">
+                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST"
+                         recommendedMuteDurationMs="40">
                     <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
diff --git a/audio/panther/config/audio_policy_configuration_a2dp_offload_disabled.xml b/audio/panther/config/audio_policy_configuration_a2dp_offload_disabled.xml
index f832eac..dc916ea 100644
--- a/audio/panther/config/audio_policy_configuration_a2dp_offload_disabled.xml
+++ b/audio/panther/config/audio_policy_configuration_a2dp_offload_disabled.xml
@@ -27,7 +27,8 @@
             </attachedDevices>
             <defaultOutputDevice>Speaker</defaultOutputDevice>
             <mixPorts>
-                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST">
+                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST"
+                         recommendedMuteDurationMs="40">
                     <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
diff --git a/audio/panther/config/audio_policy_configuration_bluetooth_legacy_hal.xml b/audio/panther/config/audio_policy_configuration_bluetooth_legacy_hal.xml
index c3c66c4..484048f 100644
--- a/audio/panther/config/audio_policy_configuration_bluetooth_legacy_hal.xml
+++ b/audio/panther/config/audio_policy_configuration_bluetooth_legacy_hal.xml
@@ -27,7 +27,8 @@
             </attachedDevices>
             <defaultOutputDevice>Speaker</defaultOutputDevice>
             <mixPorts>
-                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST">
+                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST"
+                         recommendedMuteDurationMs="40">
                     <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
diff --git a/audio/panther/config/audio_policy_configuration_le_offload_disabled.xml b/audio/panther/config/audio_policy_configuration_le_offload_disabled.xml
index b2abc72..612295c 100644
--- a/audio/panther/config/audio_policy_configuration_le_offload_disabled.xml
+++ b/audio/panther/config/audio_policy_configuration_le_offload_disabled.xml
@@ -27,7 +27,8 @@
             </attachedDevices>
             <defaultOutputDevice>Speaker</defaultOutputDevice>
             <mixPorts>
-                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST">
+                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST"
+                         recommendedMuteDurationMs="40">
                     <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>