diff --git a/audio/aidl/default/visualizer/VisualizerSw.cpp b/audio/aidl/default/visualizer/VisualizerSw.cpp
index b898c00..37eb30b 100644
--- a/audio/aidl/default/visualizer/VisualizerSw.cpp
+++ b/audio/aidl/default/visualizer/VisualizerSw.cpp
@@ -14,14 +14,9 @@
  * limitations under the License.
  */
 
-#include <cstddef>
 #define LOG_TAG "AHAL_VisualizerSw"
-#include <Utils.h>
-#include <algorithm>
-#include <unordered_set>
 
 #include <android-base/logging.h>
-#include <fmq/AidlMessageQueue.h>
 
 #include "VisualizerSw.h"
 
@@ -60,7 +55,10 @@
 namespace aidl::android::hardware::audio::effect {
 
 const std::string VisualizerSw::kEffectName = "VisualizerSw";
-const Visualizer::Capability VisualizerSw::kCapability;
+/* capabilities */
+const Visualizer::CaptureSizeRange mCaptureSizeRange = {MIN_CAPTURE_SIZE, MAX_CAPTURE_SIZE};
+const Visualizer::Capability VisualizerSw::kCapability = {.maxLatencyMs = MAX_LATENCY,
+                                                          .captureSizeRange = mCaptureSizeRange};
 const Descriptor VisualizerSw::kDescriptor = {
         .common = {.id = {.type = kVisualizerTypeUUID,
                           .uuid = kVisualizerSwImplUUID,
@@ -82,8 +80,53 @@
     RETURN_IF(Parameter::Specific::visualizer != specific.getTag(), EX_ILLEGAL_ARGUMENT,
               "EffectNotSupported");
 
-    mSpecificParam = specific.get<Parameter::Specific::visualizer>();
-    LOG(DEBUG) << __func__ << " success with: " << specific.toString();
+    auto& vsParam = specific.get<Parameter::Specific::visualizer>();
+    auto tag = vsParam.getTag();
+
+    switch (tag) {
+        case Visualizer::captureSizeBytes: {
+            RETURN_IF(mContext->setVsCaptureSize(vsParam.get<Visualizer::captureSizeBytes>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "captureSizeNotSupported");
+            return ndk::ScopedAStatus::ok();
+        }
+        case Visualizer::scalingMode: {
+            RETURN_IF(mContext->setVsScalingMode(vsParam.get<Visualizer::scalingMode>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "scalingModeNotSupported");
+            return ndk::ScopedAStatus::ok();
+        }
+        case Visualizer::measurementMode: {
+            RETURN_IF(mContext->setVsMeasurementMode(vsParam.get<Visualizer::measurementMode>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "measurementModeNotSupported");
+            return ndk::ScopedAStatus::ok();
+        }
+        case Visualizer::setOnlyParameters: {
+            return setSetOnlyParameterVisualizer(vsParam.get<Visualizer::setOnlyParameters>());
+        }
+        case Visualizer::getOnlyParameters: {
+            LOG(ERROR) << __func__ << " unsupported settable getOnlyParam";
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
+                    EX_ILLEGAL_ARGUMENT, "SetofGetOnlyParamsNotSupported");
+        }
+        default: {
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "VisualizerTagNotSupported");
+        }
+    }
+}
+
+ndk::ScopedAStatus VisualizerSw::setSetOnlyParameterVisualizer(
+        Visualizer::SetOnlyParameters setOnlyParam) {
+    auto tag = setOnlyParam.getTag();
+    RETURN_IF(Visualizer::SetOnlyParameters::latencyMs != tag, EX_ILLEGAL_ARGUMENT,
+              "SetOnlyParametersTagNotSupported");
+    RETURN_IF(
+            mContext->setVsLatency(setOnlyParam.get<Visualizer::SetOnlyParameters::latencyMs>()) !=
+                    RetCode::SUCCESS,
+            EX_ILLEGAL_ARGUMENT, "latencyNotSupported");
     return ndk::ScopedAStatus::ok();
 }
 
@@ -91,7 +134,76 @@
                                                       Parameter::Specific* specific) {
     auto tag = id.getTag();
     RETURN_IF(Parameter::Id::visualizerTag != tag, EX_ILLEGAL_ARGUMENT, "wrongIdTag");
-    specific->set<Parameter::Specific::visualizer>(mSpecificParam);
+    auto vsId = id.get<Parameter::Id::visualizerTag>();
+    auto vsIdTag = vsId.getTag();
+    switch (vsIdTag) {
+        case Visualizer::Id::commonTag:
+            return getParameterVisualizer(vsId.get<Visualizer::Id::commonTag>(), specific);
+        case Visualizer::Id::getOnlyParamTag:
+            return getGetOnlyParameterVisualizer(vsId.get<Visualizer::Id::getOnlyParamTag>(),
+                                                 specific);
+        case Visualizer::Id::setOnlyParamTag: {
+            LOG(ERROR) << __func__ << " unsupported gettable setOnlyParam";
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
+                    EX_ILLEGAL_ARGUMENT, "GetofSetOnlyParamsNotSupported");
+        }
+        default:
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "VisualizerTagNotSupported");
+    }
+}
+ndk::ScopedAStatus VisualizerSw::getParameterVisualizer(const Visualizer::Tag& tag,
+                                                        Parameter::Specific* specific) {
+    RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
+
+    Visualizer vsParam;
+    switch (tag) {
+        case Visualizer::captureSizeBytes: {
+            vsParam.set<Visualizer::captureSizeBytes>(mContext->getVsCaptureSize());
+            break;
+        }
+        case Visualizer::scalingMode: {
+            vsParam.set<Visualizer::scalingMode>(mContext->getVsScalingMode());
+            break;
+        }
+        case Visualizer::measurementMode: {
+            vsParam.set<Visualizer::measurementMode>(mContext->getVsMeasurementMode());
+            break;
+        }
+        default: {
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "VisualizerTagNotSupported");
+        }
+    }
+    specific->set<Parameter::Specific::visualizer>(vsParam);
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus VisualizerSw::getGetOnlyParameterVisualizer(
+        const Visualizer::GetOnlyParameters::Tag& tag, Parameter::Specific* specific) {
+    Visualizer::GetOnlyParameters getOnlyParam;
+    switch (tag) {
+        case Visualizer::GetOnlyParameters::measurement: {
+            getOnlyParam.set<Visualizer::GetOnlyParameters::measurement>(
+                    mContext->getVsMeasurement());
+            break;
+        }
+        case Visualizer::GetOnlyParameters::captureBytes: {
+            getOnlyParam.set<Visualizer::GetOnlyParameters::captureBytes>(
+                    mContext->getVsCaptureBytes());
+            break;
+        }
+        default: {
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
+                    EX_ILLEGAL_ARGUMENT, "GetOnlyParameterTagNotSupported");
+        }
+    }
+    Visualizer vsParam;
+    vsParam.set<Visualizer::getOnlyParameters>(getOnlyParam);
+    specific->set<Parameter::Specific::visualizer>(vsParam);
     return ndk::ScopedAStatus::ok();
 }
 
diff --git a/audio/aidl/default/visualizer/VisualizerSw.h b/audio/aidl/default/visualizer/VisualizerSw.h
index 24b92dd..a95537c 100644
--- a/audio/aidl/default/visualizer/VisualizerSw.h
+++ b/audio/aidl/default/visualizer/VisualizerSw.h
@@ -17,13 +17,16 @@
 #pragma once
 
 #include <aidl/android/hardware/audio/effect/BnEffect.h>
-#include <fmq/AidlMessageQueue.h>
-#include <cstdlib>
-#include <memory>
+#include <vector>
 
 #include "effect-impl/EffectImpl.h"
 #include "effect-impl/EffectUUID.h"
 
+#define MIN_CAPTURE_SIZE 128
+#define MAX_CAPTURE_SIZE 1024
+#define MAX_LATENCY 3000
+#define CAPTURE_BUF_SIZE 65536
+
 namespace aidl::android::hardware::audio::effect {
 
 class VisualizerSwContext final : public EffectContext {
@@ -31,8 +34,55 @@
     VisualizerSwContext(int statusDepth, const Parameter::Common& common)
         : EffectContext(statusDepth, common) {
         LOG(DEBUG) << __func__;
+        mCaptureBytes.resize(CAPTURE_BUF_SIZE);
+        fill(mCaptureBytes.begin(), mCaptureBytes.end(), 0x80);
     }
-    // TODO: add specific context here
+
+    RetCode setVsCaptureSize(int captureSize) {
+        if (captureSize < MIN_CAPTURE_SIZE || captureSize > MAX_CAPTURE_SIZE) {
+            LOG(ERROR) << __func__ << " invalid captureSize " << captureSize;
+            return RetCode::ERROR_ILLEGAL_PARAMETER;
+        }
+        // TODO : Add implementation to apply new captureSize
+        mCaptureSize = captureSize;
+        return RetCode::SUCCESS;
+    }
+    int getVsCaptureSize() const { return mCaptureSize; }
+
+    RetCode setVsScalingMode(Visualizer::ScalingMode scalingMode) {
+        // TODO : Add implementation to apply new scalingMode
+        mScalingMode = scalingMode;
+        return RetCode::SUCCESS;
+    }
+    Visualizer::ScalingMode getVsScalingMode() const { return mScalingMode; }
+
+    RetCode setVsMeasurementMode(Visualizer::MeasurementMode measurementMode) {
+        // TODO : Add implementation to apply new measurementMode
+        mMeasurementMode = measurementMode;
+        return RetCode::SUCCESS;
+    }
+    Visualizer::MeasurementMode getVsMeasurementMode() const { return mMeasurementMode; }
+
+    RetCode setVsLatency(int latency) {
+        if (latency < 0 || latency > MAX_LATENCY) {
+            LOG(ERROR) << __func__ << " invalid latency " << latency;
+            return RetCode::ERROR_ILLEGAL_PARAMETER;
+        }
+        // TODO : Add implementation to modify latency
+        mLatency = latency;
+        return RetCode::SUCCESS;
+    }
+
+    Visualizer::GetOnlyParameters::Measurement getVsMeasurement() const { return mMeasurement; }
+    std::vector<uint8_t> getVsCaptureBytes() const { return mCaptureBytes; }
+
+  private:
+    int mCaptureSize = MAX_CAPTURE_SIZE;
+    Visualizer::ScalingMode mScalingMode = Visualizer::ScalingMode::NORMALIZED;
+    Visualizer::MeasurementMode mMeasurementMode = Visualizer::MeasurementMode::NONE;
+    int mLatency;
+    const Visualizer::GetOnlyParameters::Measurement mMeasurement = {0, 0};
+    std::vector<uint8_t> mCaptureBytes;
 };
 
 class VisualizerSw final : public EffectImpl {
@@ -60,7 +110,11 @@
 
   private:
     std::shared_ptr<VisualizerSwContext> mContext;
-    /* parameters */
-    Visualizer mSpecificParam;
+
+    ndk::ScopedAStatus setSetOnlyParameterVisualizer(Visualizer::SetOnlyParameters setOnlyParam);
+    ndk::ScopedAStatus getParameterVisualizer(const Visualizer::Tag& tag,
+                                              Parameter::Specific* specific);
+    ndk::ScopedAStatus getGetOnlyParameterVisualizer(const Visualizer::GetOnlyParameters::Tag& tag,
+                                                     Parameter::Specific* specific);
 };
 }  // namespace aidl::android::hardware::audio::effect