diff --git a/media/jni/audioeffect/Visualizer.cpp b/media/jni/audioeffect/Visualizer.cpp
index 193a5d4f3dc05..d0f1ec6064c1b 100644
--- a/media/jni/audioeffect/Visualizer.cpp
+++ b/media/jni/audioeffect/Visualizer.cpp
@@ -60,6 +60,7 @@ status_t Visualizer::set(int32_t priority,
             SL_IID_VISUALIZATION, nullptr, priority, cbf, user, sessionId, io, device, probe);
     if (status == NO_ERROR || status == ALREADY_EXISTS) {
         initCaptureSize();
+        initSampleRate();
     }
     return status;
 }
@@ -413,6 +414,16 @@ uint32_t Visualizer::initCaptureSize()
     return size;
 }
 
+void Visualizer::initSampleRate()
+{
+    audio_config_base_t inputConfig, outputConfig;
+    status_t status = getConfigs(&inputConfig, &outputConfig);
+    if (status == NO_ERROR) {
+        mSampleRate = outputConfig.sample_rate * 1000;
+    }
+    ALOGV("%s sample rate %d status %d", __func__, mSampleRate, status);
+}
+
 void Visualizer::controlStatusChanged(bool controlGranted) {
     if (controlGranted) {
         // this Visualizer instance regained control of the effect, reset the scaling mode
diff --git a/media/jni/audioeffect/Visualizer.h b/media/jni/audioeffect/Visualizer.h
index c402c10ccae1b..3d5d74a99d0e3 100644
--- a/media/jni/audioeffect/Visualizer.h
+++ b/media/jni/audioeffect/Visualizer.h
@@ -170,6 +170,7 @@ private:
     status_t doFft(uint8_t *fft, uint8_t *waveform);
     void periodicCapture();
     uint32_t initCaptureSize();
+    void initSampleRate();
 
     Mutex mCaptureLock;
     uint32_t mCaptureRate = CAPTURE_RATE_DEF;