diff --git a/audio/aidl/TEST_MAPPING b/audio/aidl/TEST_MAPPING
index a2c7966..bf86d01 100644
--- a/audio/aidl/TEST_MAPPING
+++ b/audio/aidl/TEST_MAPPING
@@ -25,6 +25,9 @@
       "name": "VtsHalLoudnessEnhancerTargetTest"
     },
     {
+      "name": "VtsHalVirtualizerTargetTest"
+    },
+    {
       "name": "VtsHalVisualizerTargetTest"
     },
     {
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Virtualizer.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Virtualizer.aidl
index d4fb9e0..deaff90 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Virtualizer.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Virtualizer.aidl
@@ -36,6 +36,8 @@
 union Virtualizer {
   android.hardware.audio.effect.VendorExtension vendor;
   int strengthPm;
+  const int MIN_PER_MILLE_STRENGTH = 0;
+  const int MAX_PER_MILLE_STRENGTH = 1000;
   @VintfStability
   union Id {
     int vendorExtensionTag;
diff --git a/audio/aidl/android/hardware/audio/effect/Virtualizer.aidl b/audio/aidl/android/hardware/audio/effect/Virtualizer.aidl
index 9d039bc..90ec6f8 100644
--- a/audio/aidl/android/hardware/audio/effect/Virtualizer.aidl
+++ b/audio/aidl/android/hardware/audio/effect/Virtualizer.aidl
@@ -60,6 +60,16 @@
     }
 
     /**
+     * Minimal possible per mille strength.
+     */
+    const int MIN_PER_MILLE_STRENGTH = 0;
+
+    /**
+     * Maximum possible per mille strength.
+     */
+    const int MAX_PER_MILLE_STRENGTH = 1000;
+
+    /**
      * The per mille strength of the virtualizer effect.
      *
      * If the implementation does not support per mille accuracy for setting the strength, it is
diff --git a/audio/aidl/default/virtualizer/VirtualizerSw.cpp b/audio/aidl/default/virtualizer/VirtualizerSw.cpp
index faa630e..4180105 100644
--- a/audio/aidl/default/virtualizer/VirtualizerSw.cpp
+++ b/audio/aidl/default/virtualizer/VirtualizerSw.cpp
@@ -60,7 +60,9 @@
 namespace aidl::android::hardware::audio::effect {
 
 const std::string VirtualizerSw::kEffectName = "VirtualizerSw";
-const Virtualizer::Capability VirtualizerSw::kCapability;
+const bool VirtualizerSw::kStrengthSupported = true;
+const Virtualizer::Capability VirtualizerSw::kCapability = {.strengthSupported =
+                                                                    kStrengthSupported};
 const Descriptor VirtualizerSw::kDescriptor = {
         .common = {.id = {.type = kVirtualizerTypeUUID,
                           .uuid = kVirtualizerSwImplUUID,
@@ -82,16 +84,60 @@
     RETURN_IF(Parameter::Specific::virtualizer != specific.getTag(), EX_ILLEGAL_ARGUMENT,
               "EffectNotSupported");
 
-    mSpecificParam = specific.get<Parameter::Specific::virtualizer>();
-    LOG(DEBUG) << __func__ << " success with: " << specific.toString();
-    return ndk::ScopedAStatus::ok();
+    auto& vrParam = specific.get<Parameter::Specific::virtualizer>();
+    auto tag = vrParam.getTag();
+
+    switch (tag) {
+        case Virtualizer::strengthPm: {
+            RETURN_IF(!kStrengthSupported, EX_ILLEGAL_ARGUMENT, "SettingStrengthNotSupported");
+
+            RETURN_IF(mContext->setVrStrength(vrParam.get<Virtualizer::strengthPm>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "strengthPmNotSupported");
+            return ndk::ScopedAStatus::ok();
+        }
+        default: {
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "VirtualizerTagNotSupported");
+        }
+    }
 }
 
 ndk::ScopedAStatus VirtualizerSw::getParameterSpecific(const Parameter::Id& id,
                                                        Parameter::Specific* specific) {
     auto tag = id.getTag();
     RETURN_IF(Parameter::Id::virtualizerTag != tag, EX_ILLEGAL_ARGUMENT, "wrongIdTag");
-    specific->set<Parameter::Specific::virtualizer>(mSpecificParam);
+    auto vrId = id.get<Parameter::Id::virtualizerTag>();
+    auto vrIdTag = vrId.getTag();
+    switch (vrIdTag) {
+        case Virtualizer::Id::commonTag:
+            return getParameterVirtualizer(vrId.get<Virtualizer::Id::commonTag>(), specific);
+        default:
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "VirtualizerTagNotSupported");
+    }
+}
+
+ndk::ScopedAStatus VirtualizerSw::getParameterVirtualizer(const Virtualizer::Tag& tag,
+                                                          Parameter::Specific* specific) {
+    RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
+
+    Virtualizer vrParam;
+    switch (tag) {
+        case Virtualizer::strengthPm: {
+            vrParam.set<Virtualizer::strengthPm>(mContext->getVrStrength());
+            break;
+        }
+        default: {
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "VirtualizerTagNotSupported");
+        }
+    }
+
+    specific->set<Parameter::Specific::virtualizer>(vrParam);
     return ndk::ScopedAStatus::ok();
 }
 
diff --git a/audio/aidl/default/virtualizer/VirtualizerSw.h b/audio/aidl/default/virtualizer/VirtualizerSw.h
index 4a05678..05974a8 100644
--- a/audio/aidl/default/virtualizer/VirtualizerSw.h
+++ b/audio/aidl/default/virtualizer/VirtualizerSw.h
@@ -32,12 +32,26 @@
         : EffectContext(statusDepth, common) {
         LOG(DEBUG) << __func__;
     }
-    // TODO: add specific context here
+    RetCode setVrStrength(int strength) {
+        if (strength < Virtualizer::MIN_PER_MILLE_STRENGTH ||
+            strength > Virtualizer::MAX_PER_MILLE_STRENGTH) {
+            LOG(ERROR) << __func__ << " invalid strength " << strength;
+            return RetCode::ERROR_ILLEGAL_PARAMETER;
+        }
+        // TODO : Add implementation to apply new strength
+        mStrength = strength;
+        return RetCode::SUCCESS;
+    }
+    int getVrStrength() const { return mStrength; }
+
+  private:
+    int mStrength;
 };
 
 class VirtualizerSw final : public EffectImpl {
   public:
     static const std::string kEffectName;
+    static const bool kStrengthSupported;
     static const Virtualizer::Capability kCapability;
     static const Descriptor kDescriptor;
     VirtualizerSw() { LOG(DEBUG) << __func__; }
@@ -60,7 +74,8 @@
 
   private:
     std::shared_ptr<VirtualizerSwContext> mContext;
-    /* parameters */
-    Virtualizer mSpecificParam;
+
+    ndk::ScopedAStatus getParameterVirtualizer(const Virtualizer::Tag& tag,
+                                               Parameter::Specific* specific);
 };
 }  // namespace aidl::android::hardware::audio::effect
diff --git a/audio/aidl/vts/Android.bp b/audio/aidl/vts/Android.bp
index 4ca3d9e..f1e26ac 100644
--- a/audio/aidl/vts/Android.bp
+++ b/audio/aidl/vts/Android.bp
@@ -104,6 +104,12 @@
 }
 
 cc_test {
+    name: "VtsHalVirtualizerTargetTest",
+    defaults: ["VtsHalAudioTargetTestDefaults"],
+    srcs: ["VtsHalVirtualizerTargetTest.cpp"],
+}
+
+cc_test {
     name: "VtsHalVisualizerTargetTest",
     defaults: ["VtsHalAudioTargetTestDefaults"],
     srcs: ["VtsHalVisualizerTargetTest.cpp"],
diff --git a/audio/aidl/vts/VtsHalVirtualizerTargetTest.cpp b/audio/aidl/vts/VtsHalVirtualizerTargetTest.cpp
new file mode 100644
index 0000000..61776b2
--- /dev/null
+++ b/audio/aidl/vts/VtsHalVirtualizerTargetTest.cpp
@@ -0,0 +1,181 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "VtsHalVirtualizerTest"
+
+#include <Utils.h>
+#include <aidl/Vintf.h>
+#include "EffectHelper.h"
+
+using namespace android;
+
+using aidl::android::hardware::audio::effect::Capability;
+using aidl::android::hardware::audio::effect::Descriptor;
+using aidl::android::hardware::audio::effect::IEffect;
+using aidl::android::hardware::audio::effect::IFactory;
+using aidl::android::hardware::audio::effect::kVirtualizerTypeUUID;
+using aidl::android::hardware::audio::effect::Parameter;
+using aidl::android::hardware::audio::effect::Virtualizer;
+
+/**
+ * Here we focus on specific parameter checking, general IEffect interfaces testing performed in
+ * VtsAudioEffectTargetTest.
+ */
+enum ParamName { PARAM_INSTANCE_NAME, PARAM_STRENGTH };
+using VirtualizerParamTestParam = std::tuple<std::pair<std::shared_ptr<IFactory>, Descriptor>, int>;
+
+/*
+ * Testing parameter range, assuming the parameter supported by effect is in this range.
+ * Parameter should be within the valid range defined in the documentation,
+ * for any supported value test expects EX_NONE from IEffect.setParameter(),
+ * otherwise expect EX_ILLEGAL_ARGUMENT.
+ */
+
+const std::vector<int> kStrengthValues = {
+        std::numeric_limits<int>::min(),         Virtualizer::MIN_PER_MILLE_STRENGTH - 1,
+        Virtualizer::MIN_PER_MILLE_STRENGTH,     Virtualizer::MAX_PER_MILLE_STRENGTH,
+        Virtualizer::MAX_PER_MILLE_STRENGTH + 1, std::numeric_limits<int>::max()};
+
+class VirtualizerParamTest : public ::testing::TestWithParam<VirtualizerParamTestParam>,
+                             public EffectHelper {
+  public:
+    VirtualizerParamTest() : mParamStrength(std::get<PARAM_STRENGTH>(GetParam())) {
+        std::tie(mFactory, mDescriptor) = std::get<PARAM_INSTANCE_NAME>(GetParam());
+    }
+
+    void SetUp() override {
+        ASSERT_NE(nullptr, mFactory);
+        ASSERT_NO_FATAL_FAILURE(create(mFactory, mEffect, mDescriptor));
+
+        Parameter::Specific specific = getDefaultParamSpecific();
+        Parameter::Common common = EffectHelper::createParamCommon(
+                0 /* session */, 1 /* ioHandle */, 44100 /* iSampleRate */, 44100 /* oSampleRate */,
+                kInputFrameCount /* iFrameCount */, kOutputFrameCount /* oFrameCount */);
+        IEffect::OpenEffectReturn ret;
+        ASSERT_NO_FATAL_FAILURE(open(mEffect, common, specific, &ret, EX_NONE));
+        ASSERT_NE(nullptr, mEffect);
+    }
+
+    void TearDown() override {
+        ASSERT_NO_FATAL_FAILURE(close(mEffect));
+        ASSERT_NO_FATAL_FAILURE(destroy(mFactory, mEffect));
+    }
+
+    Parameter::Specific getDefaultParamSpecific() {
+        Virtualizer vr =
+                Virtualizer::make<Virtualizer::strengthPm>(Virtualizer::MIN_PER_MILLE_STRENGTH);
+        Parameter::Specific specific =
+                Parameter::Specific::make<Parameter::Specific::virtualizer>(vr);
+        return specific;
+    }
+
+    static const long kInputFrameCount = 0x100, kOutputFrameCount = 0x100;
+    std::shared_ptr<IFactory> mFactory;
+    std::shared_ptr<IEffect> mEffect;
+    Descriptor mDescriptor;
+    int mParamStrength = Virtualizer::MIN_PER_MILLE_STRENGTH;
+
+    void SetAndGetVirtualizerParameters() {
+        for (auto& it : mTags) {
+            auto& tag = it.first;
+            auto& vr = it.second;
+
+            // validate parameter
+            Descriptor desc;
+            ASSERT_STATUS(EX_NONE, mEffect->getDescriptor(&desc));
+            const bool valid = isTagInRange(it.first, it.second, desc);
+            const binder_exception_t expected = valid ? EX_NONE : EX_ILLEGAL_ARGUMENT;
+
+            // set parameter
+            Parameter expectParam;
+            Parameter::Specific specific;
+            specific.set<Parameter::Specific::virtualizer>(vr);
+            expectParam.set<Parameter::specific>(specific);
+            EXPECT_STATUS(expected, mEffect->setParameter(expectParam)) << expectParam.toString();
+
+            // only get if parameter in range and set success
+            if (expected == EX_NONE) {
+                Parameter getParam;
+                Parameter::Id id;
+                Virtualizer::Id vrId;
+                vrId.set<Virtualizer::Id::commonTag>(tag);
+                id.set<Parameter::Id::virtualizerTag>(vrId);
+                // if set success, then get should match
+                EXPECT_STATUS(expected, mEffect->getParameter(id, &getParam));
+                EXPECT_EQ(expectParam, getParam);
+            }
+        }
+    }
+
+    void addStrengthParam(int strength) {
+        Virtualizer vr;
+        vr.set<Virtualizer::strengthPm>(strength);
+        mTags.push_back({Virtualizer::strengthPm, vr});
+    }
+
+    bool isTagInRange(const Virtualizer::Tag& tag, const Virtualizer& vr,
+                      const Descriptor& desc) const {
+        const Virtualizer::Capability& vrCap = desc.capability.get<Capability::virtualizer>();
+        switch (tag) {
+            case Virtualizer::strengthPm: {
+                int strength = vr.get<Virtualizer::strengthPm>();
+                return isStrengthInRange(vrCap, strength);
+            }
+            default:
+                return false;
+        }
+        return false;
+    }
+
+    bool isStrengthInRange(const Virtualizer::Capability& cap, int strength) const {
+        return cap.strengthSupported && strength >= Virtualizer::MIN_PER_MILLE_STRENGTH &&
+               strength <= Virtualizer::MAX_PER_MILLE_STRENGTH;
+    }
+
+  private:
+    std::vector<std::pair<Virtualizer::Tag, Virtualizer>> mTags;
+    void CleanUp() { mTags.clear(); }
+};
+
+TEST_P(VirtualizerParamTest, SetAndGetStrength) {
+    EXPECT_NO_FATAL_FAILURE(addStrengthParam(mParamStrength));
+    SetAndGetVirtualizerParameters();
+}
+
+INSTANTIATE_TEST_SUITE_P(
+        VirtualizerTest, VirtualizerParamTest,
+        ::testing::Combine(testing::ValuesIn(EffectFactoryHelper::getAllEffectDescriptors(
+                                   IFactory::descriptor, kVirtualizerTypeUUID)),
+                           testing::ValuesIn(kStrengthValues)),
+        [](const testing::TestParamInfo<VirtualizerParamTest::ParamType>& info) {
+            auto descriptor = std::get<PARAM_INSTANCE_NAME>(info.param).second;
+            std::string strength = std::to_string(std::get<PARAM_STRENGTH>(info.param));
+            std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
+                               descriptor.common.name + "_UUID_" +
+                               descriptor.common.id.uuid.toString() + "_strength" + strength;
+            std::replace_if(
+                    name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
+            return name;
+        });
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(VirtualizerParamTest);
+
+int main(int argc, char** argv) {
+    ::testing::InitGoogleTest(&argc, argv);
+    ABinderProcess_setThreadPoolMaxThreadCount(1);
+    ABinderProcess_startThreadPool();
+    return RUN_ALL_TESTS();
+}