diff --git a/audio/oriole/config/audio_platform_configuration.xml b/audio/oriole/config/audio_platform_configuration.xml
index 5ea3ce9..34d362d 100644
--- a/audio/oriole/config/audio_platform_configuration.xml
+++ b/audio/oriole/config/audio_platform_configuration.xml
@@ -116,8 +116,8 @@
         <usecase id="UC_LOW_LATENCY_PLAYBACK" dev1="1" dyn_path="true" dsp_vol="false" mmap="false" period="10" period_num="4"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_MMAP_NOIRQ, 80 periods * 48 frames/period(=1ms w/ 48k sample rate) * 4 bytes/frame = 15360 bytes -->
 	<usecase id="UC_MMAP_PLAYBACK" dev1="0" dyn_path="true" dsp_vol="false" mmap="true" period="1" period_num="80"/>
-        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 4 * 10ms buffer -->
-        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="10" period_num="4"/>
+        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 4 * 20ms buffer -->
+        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="20" period_num="4"/>
         <!-- dev1: voice-call downlink dev2: voice-clal uplink -->
         <usecase id="UC_VOICE_CALL" dev1="4" dev2="11"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD, 4 * 128KB buffer -->
diff --git a/audio/raven/config/audio_platform_configuration.xml b/audio/raven/config/audio_platform_configuration.xml
index 5ea3ce9..34d362d 100644
--- a/audio/raven/config/audio_platform_configuration.xml
+++ b/audio/raven/config/audio_platform_configuration.xml
@@ -116,8 +116,8 @@
         <usecase id="UC_LOW_LATENCY_PLAYBACK" dev1="1" dyn_path="true" dsp_vol="false" mmap="false" period="10" period_num="4"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_MMAP_NOIRQ, 80 periods * 48 frames/period(=1ms w/ 48k sample rate) * 4 bytes/frame = 15360 bytes -->
 	<usecase id="UC_MMAP_PLAYBACK" dev1="0" dyn_path="true" dsp_vol="false" mmap="true" period="1" period_num="80"/>
-        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 4 * 10ms buffer -->
-        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="10" period_num="4"/>
+        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 4 * 20ms buffer -->
+        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="20" period_num="4"/>
         <!-- dev1: voice-call downlink dev2: voice-clal uplink -->
         <usecase id="UC_VOICE_CALL" dev1="4" dev2="11"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD, 4 * 128KB buffer -->
diff --git a/audio/slider/config/audio_platform_configuration.xml b/audio/slider/config/audio_platform_configuration.xml
index e151158..d86bb9b 100644
--- a/audio/slider/config/audio_platform_configuration.xml
+++ b/audio/slider/config/audio_platform_configuration.xml
@@ -116,8 +116,8 @@
         <usecase id="UC_LOW_LATENCY_PLAYBACK" dev1="1" dyn_path="true" dsp_vol="false" mmap="false" period="10" period_num="4"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_MMAP_NOIRQ, 80 periods * 48 frames/period(=1ms w/ 48k sample rate) * 4 bytes/frame = 15360 bytes -->
 	<usecase id="UC_MMAP_PLAYBACK" dev1="0" dyn_path="true" dsp_vol="false" mmap="true" period="1" period_num="80"/>
-        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 4 * 10ms buffer -->
-        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="10" period_num="4"/>
+        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 4 * 20ms buffer -->
+        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="20" period_num="4"/>
         <!-- dev1: voice-call downlink dev2: voice-clal uplink -->
         <usecase id="UC_VOICE_CALL" dev1="4" dev2="11"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD, 4 * 128KB buffer -->
diff --git a/audio/whitefin/config/audio_platform_configuration.xml b/audio/whitefin/config/audio_platform_configuration.xml
index e151158..d86bb9b 100644
--- a/audio/whitefin/config/audio_platform_configuration.xml
+++ b/audio/whitefin/config/audio_platform_configuration.xml
@@ -116,8 +116,8 @@
         <usecase id="UC_LOW_LATENCY_PLAYBACK" dev1="1" dyn_path="true" dsp_vol="false" mmap="false" period="10" period_num="4"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_MMAP_NOIRQ, 80 periods * 48 frames/period(=1ms w/ 48k sample rate) * 4 bytes/frame = 15360 bytes -->
 	<usecase id="UC_MMAP_PLAYBACK" dev1="0" dyn_path="true" dsp_vol="false" mmap="true" period="1" period_num="80"/>
-        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 4 * 10ms buffer -->
-        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="10" period_num="4"/>
+        <!-- for output with AUDIO_OUTPUT_FLAG_DEEP_BUFFER, 4 * 20ms buffer -->
+        <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="20" period_num="4"/>
         <!-- dev1: voice-call downlink dev2: voice-clal uplink -->
         <usecase id="UC_VOICE_CALL" dev1="4" dev2="11"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD, 4 * 128KB buffer -->