diff --git a/audio/tangorpro/config/audio_effects.xml b/audio/tangorpro/config/audio_effects.xml
index 9c2ba29..11e66e5 100644
--- a/audio/tangorpro/config/audio_effects.xml
+++ b/audio/tangorpro/config/audio_effects.xml
@@ -10,6 +10,7 @@
         <library name="proxy" path="libeffectproxy.so"/>
         <library name="offload_effect" path="liboffloadeffect.so"/>
         <library name="haptic_generator" path="libhapticgenerator.so"/>
+        <library name="spatializer" path="libspatialaudio.so"/>
     </libraries>
     <effects>
         <effectProxy name="bassboost" library="proxy" uuid="2f0871a2-c93c-4824-9664-42eb2909f2ef">
@@ -54,6 +55,7 @@
         <effect name="aec" library="offload_effect" uuid="28c28780-ec8b-48b6-8590-8c84557d797d"/>
         <effect name="ns" library="offload_effect" uuid="62ff2836-d050-43c3-9c2d-94a73dad2c64"/>
         <effect name="haptic_generator" library="haptic_generator" uuid="97c4acd1-8b82-4f2f-832e-c2fe5d7a9931"/>
+        <effect name="spatializer" library="spatializer" uuid="cc4677de-ff72-11eb-9a03-0242ac130003"/>
     </effects>
     <postprocess>
     </postprocess>
diff --git a/audio/tangorpro/config/audio_platform_configuration.xml b/audio/tangorpro/config/audio_platform_configuration.xml
index f8fb665..76c4136 100644
--- a/audio/tangorpro/config/audio_platform_configuration.xml
+++ b/audio/tangorpro/config/audio_platform_configuration.xml
@@ -187,6 +187,8 @@
         <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 flag AUDIO_OUTPUT_SPATIALIZER -->
+        <usecase id="UC_IMMERSIVE_PLAYBACK" dev1="30" dyn_path="true" dsp_vol="false" mmap="false" period="10" period_num="3"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD, 4 * 128KB buffer -->
         <usecase id="UC_COMPRESSED_OFFLOAD_PLAYBACK" dev1="6" dyn_path="true" dsp_vol="true" mmap="false" period="131072" period_num="4" pre_proc_id="14"/>
         <!-- dev1: audio dev2: haptic -->
@@ -223,6 +225,10 @@
             <be_cfg be_id="OUT_A2DP_BE_CFG" latency="180000"/>
         </usecase>
 
+        <usecase id="UC_IMMERSIVE_PLAYBACK" type="playback">
+            <be_cfg be_id="OUT_A2DP_BE_CFG" latency="100000"/>
+        </usecase>
+
         <usecase id="UC_AUDIO_RECORD" type="capture">
             <be_cfg be_id="IN_CAMCORDER_LANDSCAPE_BE_CFG" latency="160000"/>
             <be_cfg be_id="IN_CAMCORDER_INVERT_LANDSCAPE_BE_CFG" latency="160000"/>
diff --git a/audio/tangorpro/config/audio_policy_configuration.xml b/audio/tangorpro/config/audio_policy_configuration.xml
index 78c8ea3..65c3907 100644
--- a/audio/tangorpro/config/audio_policy_configuration.xml
+++ b/audio/tangorpro/config/audio_policy_configuration.xml
@@ -58,6 +58,10 @@
                     <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
+                <mixPort name="immersive_out" role="source" flags="AUDIO_OUTPUT_FLAG_SPATIALIZER">
+                    <profile name="" format="AUDIO_FORMAT_PCM_32_BIT"
+                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
                 <mixPort name="incall playback" role="source"
                          flags="AUDIO_OUTPUT_FLAG_INCALL_MUSIC">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
@@ -162,17 +166,17 @@
                 <devicePort tagName="BT SCO Headset Mic" type="AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET" role="source">
                 </devicePort>
                 <devicePort tagName="BT A2DP Out" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP" role="sink"
-                            encodedFormats="AUDIO_FORMAT_AAC AUDIO_FORMAT_SBC">
+                            encodedFormats="AUDIO_FORMAT_OPUS AUDIO_FORMAT_AAC AUDIO_FORMAT_SBC">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="44100 48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="BT A2DP Headphones" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES" role="sink"
-                            encodedFormats="AUDIO_FORMAT_AAC AUDIO_FORMAT_SBC">
+                            encodedFormats="AUDIO_FORMAT_OPUS AUDIO_FORMAT_AAC AUDIO_FORMAT_SBC">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="44100 48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
                 <devicePort tagName="BT A2DP Speaker" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER" role="sink"
-                            encodedFormats="AUDIO_FORMAT_AAC AUDIO_FORMAT_SBC">
+                            encodedFormats="AUDIO_FORMAT_OPUS AUDIO_FORMAT_AAC AUDIO_FORMAT_SBC">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
                              samplingRates="44100 48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </devicePort>
@@ -193,17 +197,17 @@
                 <route type="mix" sink="Speaker Safe"
                        sources="primary output,deep buffer,raw,compressed_offload,mmap_no_irq_out,voip_rx,ultrasound output"/>
                 <route type="mix" sink="BT A2DP Out"
-                       sources="primary output,deep buffer,compressed_offload,voip_rx,raw,mmap_no_irq_out"/>
+                       sources="primary output,deep buffer,compressed_offload,voip_rx,raw,mmap_no_irq_out,immersive_out"/>
                 <route type="mix" sink="BT A2DP Headphones"
-                       sources="primary output,deep buffer,compressed_offload,voip_rx,raw,mmap_no_irq_out"/>
+                       sources="primary output,deep buffer,compressed_offload,voip_rx,raw,mmap_no_irq_out,immersive_out"/>
                 <route type="mix" sink="BT A2DP Speaker"
-                       sources="primary output,deep buffer,compressed_offload,voip_rx,raw,mmap_no_irq_out"/>
+                       sources="primary output,deep buffer,compressed_offload,voip_rx,raw,mmap_no_irq_out,immersive_out"/>
                 <route type="mix" sink="USB Device Out"
-                       sources="primary output,deep buffer,raw,compressed_offload,mmap_no_irq_out,voip_rx,hifi_playback"/>
+                       sources="primary output,deep buffer,raw,compressed_offload,mmap_no_irq_out,voip_rx,hifi_playback,immersive_out"/>
                 <route type="mix" sink="USB Dock"
                        sources="primary output,deep buffer,compressed_offload,mmap_no_irq_out,voip_rx,hifi_playback"/>
                 <route type="mix" sink="USB Headset Out"
-                       sources="primary output,deep buffer,raw,compressed_offload,mmap_no_irq_out,voip_rx,hifi_playback"/>
+                       sources="primary output,deep buffer,raw,compressed_offload,mmap_no_irq_out,voip_rx,hifi_playback,immersive_out"/>
                 <route type="mix" sink="BT SCO"
                        sources="primary output,deep buffer,compressed_offload,voip_rx,raw,mmap_no_irq_out"/>
                 <route type="mix" sink="BT SCO Headset"
diff --git a/audio/tangorpro/config/audio_policy_configuration_a2dp_offload_disabled.xml b/audio/tangorpro/config/audio_policy_configuration_a2dp_offload_disabled.xml
index d201379..b557ae8 100644
--- a/audio/tangorpro/config/audio_policy_configuration_a2dp_offload_disabled.xml
+++ b/audio/tangorpro/config/audio_policy_configuration_a2dp_offload_disabled.xml
@@ -58,6 +58,10 @@
                     <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
+                <mixPort name="immersive_out" role="source" flags="AUDIO_OUTPUT_FLAG_SPATIALIZER">
+                    <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
+                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
                 <mixPort name="incall playback" role="source"
                          flags="AUDIO_OUTPUT_FLAG_INCALL_MUSIC">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
@@ -178,9 +182,9 @@
                 <route type="mix" sink="Speaker Safe"
                        sources="primary output,deep buffer,raw,compressed_offload,mmap_no_irq_out,voip_rx,ultrasound output"/>
                 <route type="mix" sink="USB Device Out"
-                       sources="primary output,deep buffer,raw,compressed_offload,mmap_no_irq_out,voip_rx,hifi_playback"/>
+                       sources="primary output,deep buffer,raw,compressed_offload,mmap_no_irq_out,voip_rx,hifi_playback,immersive_out"/>
                 <route type="mix" sink="USB Headset Out"
-                       sources="primary output,deep buffer,raw,compressed_offload,mmap_no_irq_out,voip_rx,hifi_playback"/>
+                       sources="primary output,deep buffer,raw,compressed_offload,mmap_no_irq_out,voip_rx,hifi_playback,immersive_out"/>
                 <route type="mix" sink="USB Dock"
                        sources="primary output,deep buffer,compressed_offload,mmap_no_irq_out,voip_rx,hifi_playback"/>
                 <route type="mix" sink="BT SCO"
diff --git a/audio/tangorpro/config/mixer_paths.xml b/audio/tangorpro/config/mixer_paths.xml
index a252a43..4d5fc66 100644
--- a/audio/tangorpro/config/mixer_paths.xml
+++ b/audio/tangorpro/config/mixer_paths.xml
@@ -155,6 +155,7 @@
     <ctl name="TDM_0_RX Mixer VOIP" value="0"/>
     <ctl name="TDM_0_RX Mixer RAW" value="0"/>
     <ctl name="TDM_0_RX Mixer US" value="0"/>
+    <ctl name="TDM_0_RX Mixer IMSV" value="0"/>
 
     <ctl name="TDM_1_RX Mixer EP1" value="0"/>
     <ctl name="TDM_1_RX Mixer EP2" value="0"/>
@@ -177,6 +178,7 @@
     <ctl name="USB_RX Mixer VOIP" value="0"/>
     <ctl name="USB_RX Mixer HIFI" value="0"/>
     <ctl name="USB_RX Mixer RAW" value="0"/>
+    <ctl name="USB_RX Mixer IMSV" value="0"/>
 
     <ctl name="BT_RX Mixer EP1" value="0"/>
     <ctl name="BT_RX Mixer EP2" value="0"/>
@@ -188,6 +190,7 @@
     <ctl name="BT_RX Mixer NoHost1" value="0"/>
     <ctl name="BT_RX Mixer VOIP" value="0"/>
     <ctl name="BT_RX Mixer RAW" value="0"/>
+    <ctl name="BT_RX Mixer IMSV" value="0"/>
 
     <ctl name="INCALL_RX Mixer EP1" value="0"/>
     <ctl name="INCALL_RX Mixer EP2" value="0"/>
@@ -516,15 +519,15 @@
     </path>
 
     <path name="immersive-playbackP">
-        <ctl name="TDM_0_RX Mixer EP4" value="1"/>
+        <ctl name="TDM_0_RX Mixer IMSV" value="1"/>
     </path>
 
     <path name="immersive-playbackP bt">
-        <ctl name="BT_RX Mixer EP4" value="1"/>
+        <ctl name="BT_RX Mixer IMSV" value="1"/>
     </path>
 
     <path name="immersive-playbackP usb-headphone">
-        <ctl name="USB_RX Mixer EP4" value="1"/>
+        <ctl name="USB_RX Mixer IMSV" value="1"/>
     </path>
 
     <path name="voip-playbackP">
diff --git a/bluetooth/syna_default.mk b/bluetooth/syna_default.mk
index 72a3015..a7bb878 100644
--- a/bluetooth/syna_default.mk
+++ b/bluetooth/syna_default.mk
@@ -55,7 +55,7 @@ PRODUCT_PROPERTY_OVERRIDES += \
 PRODUCT_PROPERTY_OVERRIDES += \
     ro.bluetooth.a2dp_offload.supported=true \
     persist.bluetooth.a2dp_offload.disabled=false \
-    persist.bluetooth.a2dp_offload.cap=sbc-aac-aptx-aptxhd-ldac
+    persist.bluetooth.a2dp_offload.cap=sbc-aac-aptx-aptxhd-ldac-opus
 PRODUCT_PRODUCT_PROPERTIES += \
     persist.bluetooth.firmware.selection="BTFW.hcd"
 
diff --git a/device-tangorpro.mk b/device-tangorpro.mk
index b352574..52e5809 100644
--- a/device-tangorpro.mk
+++ b/device-tangorpro.mk
@@ -104,6 +104,22 @@ PRODUCT_SOONG_NAMESPACES += device/google/tangorpro/powerstats
 # Bluetooth HAL and Pixel extension
 include device/google/tangorpro/bluetooth/syna_default.mk
 
+# Spatial Audio
+PRODUCT_PACKAGES += \
+	libspatialaudio
+
+# optimize spatializer effect
+PRODUCT_PROPERTY_OVERRIDES += \
+	audio.spatializer.effect.util_clamp_min=300
+
+# declare use of spatial audio
+PRODUCT_PROPERTY_OVERRIDES += \
+	ro.audio.spatializer_enabled=true
+
+# Bluetooth OPUS codec
+PRODUCT_PRODUCT_PROPERTIES += \
+	persist.bluetooth.opus.enabled=true
+
 # Keymaster HAL
 #LOCAL_KEYMASTER_PRODUCT_PACKAGE ?= android.hardware.keymaster@4.1-service