diff --git a/audio/oriole/config/audio_platform_configuration.xml b/audio/oriole/config/audio_platform_configuration.xml
index ba3e0a9..bea265e 100644
--- a/audio/oriole/config/audio_platform_configuration.xml
+++ b/audio/oriole/config/audio_platform_configuration.xml
@@ -172,8 +172,8 @@
     </input_backend_cfg_mic_mapping>
 
     <usecase_attr>
-        <!-- for output with AUDIO_OUTPUT_FLAG_RAW, 40 * 1ms buffer with 32-bit -->
-        <usecase id="UC_RAW_PLAYBACK" dev1="23" dyn_path="true" dsp_vol="false" mmap="true" period="1" period_num="40"/>
+        <!-- for output with AUDIO_OUTPUT_FLAG_RAW, 32 periods * 64 frames(around 1.3ms) * 2ch * 4(s32) = 16384 bytes -->
+        <usecase id="UC_RAW_PLAYBACK" dev1="23" dyn_path="true" dsp_vol="false" mmap="true" period="64" period_num="32"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_PRIMARY|AUDIO_OUTPUT_FLAG_FAST, 4 * 10ms buffer -->
         <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 -->
diff --git a/audio/raven/config/audio_platform_configuration.xml b/audio/raven/config/audio_platform_configuration.xml
index ba3e0a9..bea265e 100644
--- a/audio/raven/config/audio_platform_configuration.xml
+++ b/audio/raven/config/audio_platform_configuration.xml
@@ -172,8 +172,8 @@
     </input_backend_cfg_mic_mapping>
 
     <usecase_attr>
-        <!-- for output with AUDIO_OUTPUT_FLAG_RAW, 40 * 1ms buffer with 32-bit -->
-        <usecase id="UC_RAW_PLAYBACK" dev1="23" dyn_path="true" dsp_vol="false" mmap="true" period="1" period_num="40"/>
+        <!-- for output with AUDIO_OUTPUT_FLAG_RAW, 32 periods * 64 frames(around 1.3ms) * 2ch * 4(s32) = 16384 bytes -->
+        <usecase id="UC_RAW_PLAYBACK" dev1="23" dyn_path="true" dsp_vol="false" mmap="true" period="64" period_num="32"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_PRIMARY|AUDIO_OUTPUT_FLAG_FAST, 4 * 10ms buffer -->
         <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 -->
diff --git a/audio/slider/config/audio_platform_configuration.xml b/audio/slider/config/audio_platform_configuration.xml
index 68acee6..1a42336 100644
--- a/audio/slider/config/audio_platform_configuration.xml
+++ b/audio/slider/config/audio_platform_configuration.xml
@@ -110,8 +110,8 @@
     </input_backend_cfg_mic_mapping>
 
     <usecase_attr>
-        <!-- for output with AUDIO_OUTPUT_FLAG_RAW, 40 * 1ms buffer with 32-bit -->
-        <usecase id="UC_RAW_PLAYBACK" dev1="23" dyn_path="true" dsp_vol="false" mmap="true" period="1" period_num="40"/>
+        <!-- for output with AUDIO_OUTPUT_FLAG_RAW, 32 periods * 64 frames(around 1.3ms) * 2ch * 4(s32) = 16384 bytes -->
+        <usecase id="UC_RAW_PLAYBACK" dev1="23" dyn_path="true" dsp_vol="false" mmap="true" period="64" period_num="32"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_PRIMARY|AUDIO_OUTPUT_FLAG_FAST, 4 * 10ms buffer -->
         <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 -->
diff --git a/audio/whitefin/config/audio_platform_configuration.xml b/audio/whitefin/config/audio_platform_configuration.xml
index 68acee6..1a42336 100644
--- a/audio/whitefin/config/audio_platform_configuration.xml
+++ b/audio/whitefin/config/audio_platform_configuration.xml
@@ -110,8 +110,8 @@
     </input_backend_cfg_mic_mapping>
 
     <usecase_attr>
-        <!-- for output with AUDIO_OUTPUT_FLAG_RAW, 40 * 1ms buffer with 32-bit -->
-        <usecase id="UC_RAW_PLAYBACK" dev1="23" dyn_path="true" dsp_vol="false" mmap="true" period="1" period_num="40"/>
+        <!-- for output with AUDIO_OUTPUT_FLAG_RAW, 32 periods * 64 frames(around 1.3ms) * 2ch * 4(s32) = 16384 bytes -->
+        <usecase id="UC_RAW_PLAYBACK" dev1="23" dyn_path="true" dsp_vol="false" mmap="true" period="64" period_num="32"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_PRIMARY|AUDIO_OUTPUT_FLAG_FAST, 4 * 10ms buffer -->
         <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 -->