diff --git a/toonz/sources/include/toonzqt/flipconsole.h b/toonz/sources/include/toonzqt/flipconsole.h
index 5e7c32a..93e493f 100644
--- a/toonz/sources/include/toonzqt/flipconsole.h
+++ b/toonz/sources/include/toonzqt/flipconsole.h
@@ -250,6 +250,7 @@ public:
   void enableButton(UINT button, bool enable, bool doShowHide = true);
   void showCurrentFrame();
   int getCurrentFrame() const { return m_currentFrame; }
+  int getCurrentFps() const { return m_fps; }
   void setChecked(UINT button, bool state);
   bool isChecked(UINT button) const;
   void setCurrentFrame(int frame, bool forceResetting = false);
diff --git a/toonz/sources/toonz/viewerpane.cpp b/toonz/sources/toonz/viewerpane.cpp
index 33e3434..deae824 100644
--- a/toonz/sources/toonz/viewerpane.cpp
+++ b/toonz/sources/toonz/viewerpane.cpp
@@ -120,7 +120,7 @@ SceneViewerPanel::SceneViewerPanel(QWidget *parent, Qt::WFlags flags)
 
   int buttons = FlipConsole::cFullConsole;
 
-  buttons &= (~FlipConsole::eSound);
+  // buttons &= (~FlipConsole::eSound);
   buttons &= (~FlipConsole::eFilledRaster);
   buttons &= (~FlipConsole::eDefineLoadBox);
   buttons &= (~FlipConsole::eUseLoadBox);
@@ -150,6 +150,10 @@ SceneViewerPanel::SceneViewerPanel(QWidget *parent, Qt::WFlags flags)
         connect(m_flipConsole, SIGNAL(buttonPressed(FlipConsole::EGadget)),
                 m_sceneViewer, SLOT(onButtonPressed(FlipConsole::EGadget)));
 
+  ret =
+      ret && connect(m_flipConsole, SIGNAL(buttonPressed(FlipConsole::EGadget)),
+                     this, SLOT(onButtonPressed(FlipConsole::EGadget)));
+
   ret = ret && connect(m_sceneViewer, SIGNAL(previewStatusChanged()), this,
                        SLOT(update()));
 
@@ -157,7 +161,8 @@ SceneViewerPanel::SceneViewerPanel(QWidget *parent, Qt::WFlags flags)
                        SLOT(onSceneSwitched()));
 
   assert(ret);
-
+  m_flipConsole->setChecked(FlipConsole::eSound, true);
+  m_playSound = m_flipConsole->isChecked(FlipConsole::eSound);
   m_flipConsole->setFrameRate(app->getCurrentScene()
                                   ->getScene()
                                   ->getProperties()
@@ -474,6 +479,12 @@ void SceneViewerPanel::onXshLevelSwitched(TXshLevel *) { changeWindowTitle(); }
 //-----------------------------------------------------------------------------
 
 void SceneViewerPanel::onPlayingStatusChanged(bool playing) {
+  if (playing) {
+    m_playing = true;
+  } else {
+    m_playing = false;
+    m_first   = true;
+  }
   if (Preferences::instance()->getOnionSkinDuringPlayback()) return;
   OnionSkinMask osm =
       TApp::instance()->getCurrentOnionSkin()->getOnionSkinMask();
@@ -578,7 +589,6 @@ void SceneViewerPanel::onSceneChanged() {
   updateFrameRange();
   updateFrameMarkers();
   changeWindowTitle();
-
   TApp *app         = TApp::instance();
   ToonzScene *scene = app->getCurrentScene()->getScene();
   assert(scene);
@@ -588,6 +598,7 @@ void SceneViewerPanel::onSceneChanged() {
   int frameIndex = TApp::instance()->getCurrentFrame()->getFrameIndex();
   if (m_keyFrameButton->getCurrentFrame() != frameIndex)
     m_keyFrameButton->setCurrentFrame(frameIndex);
+  hasSoundtrack();
 }
 
 //-----------------------------------------------------------------------------
@@ -615,6 +626,14 @@ void SceneViewerPanel::onFrameSwitched() {
   m_flipConsole->setCurrentFrame(frameIndex + 1);
   if (m_keyFrameButton->getCurrentFrame() != frameIndex)
     m_keyFrameButton->setCurrentFrame(frameIndex);
+
+  if (m_playing && m_playSound) {
+    if (m_first == true && hasSoundtrack()) {
+      playAudioFrame(frameIndex);
+    } else if (m_hasSoundtrack) {
+      playAudioFrame(frameIndex);
+    }
+  }
 }
 
 //-----------------------------------------------------------------------------
@@ -638,3 +657,50 @@ void SceneViewerPanel::onFrameTypeChanged() {
   updateFrameRange();
   updateFrameMarkers();
 }
+
+void SceneViewerPanel::playAudioFrame(int frame) {
+  if (m_first) {
+    m_first = false;
+    m_fps   = TApp::instance()
+                ->getCurrentScene()
+                ->getScene()
+                ->getProperties()
+                ->getOutputProperties()
+                ->getFrameRate();
+    m_samplesPerFrame = m_sound->getSampleRate() / abs(m_fps);
+  }
+  if (!m_sound) return;
+  m_viewerFps = m_flipConsole->getCurrentFps();
+  double s0 = frame * m_samplesPerFrame, s1 = s0 + m_samplesPerFrame;
+
+  // make the sound stop if the viewerfps is higher so the next sound can play
+  // on time.
+  if (m_fps < m_viewerFps)
+    TApp::instance()->getCurrentXsheet()->getXsheet()->stopScrub();
+  TApp::instance()->getCurrentXsheet()->getXsheet()->play(m_sound, s0, s1,
+                                                          false);
+}
+
+bool SceneViewerPanel::hasSoundtrack() {
+  if (m_sound != NULL) {
+    m_sound         = NULL;
+    m_hasSoundtrack = false;
+    m_first         = true;
+  }
+  TXsheetHandle *xsheetHandle    = TApp::instance()->getCurrentXsheet();
+  TXsheet::SoundProperties *prop = new TXsheet::SoundProperties();
+  m_sound                        = xsheetHandle->getXsheet()->makeSound(prop);
+  if (m_sound == NULL) {
+    m_hasSoundtrack = false;
+    return false;
+  } else {
+    m_hasSoundtrack = true;
+    return true;
+  }
+}
+
+void SceneViewerPanel::onButtonPressed(FlipConsole::EGadget button) {
+  if (button == FlipConsole::eSound) {
+    m_playSound = !m_playSound;
+  }
+}
\ No newline at end of file
diff --git a/toonz/sources/toonz/viewerpane.h b/toonz/sources/toonz/viewerpane.h
index d308604..b398fe4 100644
--- a/toonz/sources/toonz/viewerpane.h
+++ b/toonz/sources/toonz/viewerpane.h
@@ -37,6 +37,14 @@ class SceneViewerPanel final : public TPanel, public FlipConsoleOwner {
   TPanelTitleBarButton *m_previewButton;
   TPanelTitleBarButton *m_subcameraPreviewButton;
   bool m_onionSkinActive = false;
+  bool m_playSound       = true;
+  bool m_hasSoundtrack   = false;
+  bool m_playing         = false;
+  double m_fps;
+  int m_viewerFps;
+  double m_samplesPerFrame;
+  bool m_first         = true;
+  TSoundTrack *m_sound = NULL;
 
 public:
 #if QT_VERSION >= 0x050500
@@ -58,6 +66,8 @@ protected:
   void createPlayToolBar();
   void addColorMaskButton(QWidget *parent, const char *iconSVGName, int id);
   void enableFlipConsoleForCamerastand(bool on);
+  void playAudioFrame(int frame);
+  bool hasSoundtrack();
 
 public slots:
 
@@ -66,6 +76,7 @@ public slots:
   void onXshLevelSwitched(TXshLevel *);
   void updateFrameRange();
   void updateFrameMarkers();
+  void onButtonPressed(FlipConsole::EGadget button);
 
 protected slots: