diff --git a/Correlator/Correlator.csproj b/Correlator/Correlator.csproj
index 5d33683..67c2daf 100644
--- a/Correlator/Correlator.csproj
+++ b/Correlator/Correlator.csproj
@@ -232,6 +232,7 @@
     <Compile Include="Dialog\SoundSpeedDialog.xaml.cs">
       <DependentUpon>SoundSpeedDialog.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Events\AudioSampleEvent.cs" />
     <Compile Include="Events\BlueSensorEvent.cs" />
     <Compile Include="Events\CheckResponseEvent.cs" />
     <Compile Include="Events\ClearOscillogramEvent.cs" />

diff --git a/Correlator/Correlator.csproj b/Correlator/Correlator.csproj
index 5d33683..67c2daf 100644
--- a/Correlator/Correlator.csproj
+++ b/Correlator/Correlator.csproj
@@ -232,6 +232,7 @@
     <Compile Include="Dialog\SoundSpeedDialog.xaml.cs">
       <DependentUpon>SoundSpeedDialog.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Events\AudioSampleEvent.cs" />
     <Compile Include="Events\BlueSensorEvent.cs" />
     <Compile Include="Events\CheckResponseEvent.cs" />
     <Compile Include="Events\ClearOscillogramEvent.cs" />
diff --git a/Correlator/Events/AudioSampleEvent.cs b/Correlator/Events/AudioSampleEvent.cs
new file mode 100644
index 0000000..2309da1
--- /dev/null
+++ b/Correlator/Events/AudioSampleEvent.cs
@@ -0,0 +1,9 @@
+using Prism.Events;
+
+namespace Correlator.Events
+{
+    public class AudioSampleEvent : PubSubEvent<double[]>
+    {
+        
+    }
+}
\ No newline at end of file

diff --git a/Correlator/Correlator.csproj b/Correlator/Correlator.csproj
index 5d33683..67c2daf 100644
--- a/Correlator/Correlator.csproj
+++ b/Correlator/Correlator.csproj
@@ -232,6 +232,7 @@
     <Compile Include="Dialog\SoundSpeedDialog.xaml.cs">
       <DependentUpon>SoundSpeedDialog.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Events\AudioSampleEvent.cs" />
     <Compile Include="Events\BlueSensorEvent.cs" />
     <Compile Include="Events\CheckResponseEvent.cs" />
     <Compile Include="Events\ClearOscillogramEvent.cs" />
diff --git a/Correlator/Events/AudioSampleEvent.cs b/Correlator/Events/AudioSampleEvent.cs
new file mode 100644
index 0000000..2309da1
--- /dev/null
+++ b/Correlator/Events/AudioSampleEvent.cs
@@ -0,0 +1,9 @@
+using Prism.Events;
+
+namespace Correlator.Events
+{
+    public class AudioSampleEvent : PubSubEvent<double[]>
+    {
+        
+    }
+}
\ No newline at end of file
diff --git a/Correlator/ViewModels/AudioFileViewModel.cs b/Correlator/ViewModels/AudioFileViewModel.cs
index 97030b7..e8ea51b 100644
--- a/Correlator/ViewModels/AudioFileViewModel.cs
+++ b/Correlator/ViewModels/AudioFileViewModel.cs
@@ -4,12 +4,14 @@
 using System.Linq;
 using System.Windows.Controls;
 using System.Windows.Threading;
+using Correlator.Events;
 using Correlator.Model;
 using Correlator.Util;
 using HandyControl.Controls;
 using HandyControl.Data;
 using NAudio.Wave;
 using Prism.Commands;
+using Prism.Events;
 using Prism.Mvvm;
 using Prism.Services.Dialogs;
 
@@ -116,7 +118,7 @@
             Interval = new TimeSpan(0, 0, 0, 1)
         };
 
-        public AudioFileViewModel(IDialogService dialogService)
+        public AudioFileViewModel(IDialogService dialogService, IEventAggregator eventAggregator)
         {
             _audioTimer.Tick += delegate
             {
@@ -132,6 +134,13 @@
                 }
 
                 CurrentValue = _audioFileReader.CurrentTime.Seconds;
+
+                var buffer = new float[1000];
+                var samplesRead = _audioFileReader.Read(buffer, 0, buffer.Length);
+                var samples = buffer.Take(samplesRead).Select(x => (double)Math.Abs(x));
+                var array = samples.ToArray();
+
+                eventAggregator.GetEvent<AudioSampleEvent>().Publish(array);
             };
 
             GoBackCommand = new DelegateCommand(delegate

diff --git a/Correlator/Correlator.csproj b/Correlator/Correlator.csproj
index 5d33683..67c2daf 100644
--- a/Correlator/Correlator.csproj
+++ b/Correlator/Correlator.csproj
@@ -232,6 +232,7 @@
     <Compile Include="Dialog\SoundSpeedDialog.xaml.cs">
       <DependentUpon>SoundSpeedDialog.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Events\AudioSampleEvent.cs" />
     <Compile Include="Events\BlueSensorEvent.cs" />
     <Compile Include="Events\CheckResponseEvent.cs" />
     <Compile Include="Events\ClearOscillogramEvent.cs" />
diff --git a/Correlator/Events/AudioSampleEvent.cs b/Correlator/Events/AudioSampleEvent.cs
new file mode 100644
index 0000000..2309da1
--- /dev/null
+++ b/Correlator/Events/AudioSampleEvent.cs
@@ -0,0 +1,9 @@
+using Prism.Events;
+
+namespace Correlator.Events
+{
+    public class AudioSampleEvent : PubSubEvent<double[]>
+    {
+        
+    }
+}
\ No newline at end of file
diff --git a/Correlator/ViewModels/AudioFileViewModel.cs b/Correlator/ViewModels/AudioFileViewModel.cs
index 97030b7..e8ea51b 100644
--- a/Correlator/ViewModels/AudioFileViewModel.cs
+++ b/Correlator/ViewModels/AudioFileViewModel.cs
@@ -4,12 +4,14 @@
 using System.Linq;
 using System.Windows.Controls;
 using System.Windows.Threading;
+using Correlator.Events;
 using Correlator.Model;
 using Correlator.Util;
 using HandyControl.Controls;
 using HandyControl.Data;
 using NAudio.Wave;
 using Prism.Commands;
+using Prism.Events;
 using Prism.Mvvm;
 using Prism.Services.Dialogs;
 
@@ -116,7 +118,7 @@
             Interval = new TimeSpan(0, 0, 0, 1)
         };
 
-        public AudioFileViewModel(IDialogService dialogService)
+        public AudioFileViewModel(IDialogService dialogService, IEventAggregator eventAggregator)
         {
             _audioTimer.Tick += delegate
             {
@@ -132,6 +134,13 @@
                 }
 
                 CurrentValue = _audioFileReader.CurrentTime.Seconds;
+
+                var buffer = new float[1000];
+                var samplesRead = _audioFileReader.Read(buffer, 0, buffer.Length);
+                var samples = buffer.Take(samplesRead).Select(x => (double)Math.Abs(x));
+                var array = samples.ToArray();
+
+                eventAggregator.GetEvent<AudioSampleEvent>().Publish(array);
             };
 
             GoBackCommand = new DelegateCommand(delegate
diff --git a/Correlator/Views/AudioFileView.xaml b/Correlator/Views/AudioFileView.xaml
index 13e4529..996edc6 100644
--- a/Correlator/Views/AudioFileView.xaml
+++ b/Correlator/Views/AudioFileView.xaml
@@ -66,12 +66,11 @@
                         Text="File List" />
                 </StackPanel>
 
-                <Canvas
-                    x:Name="AudioWaveCanvas"
+                <WpfPlot
+                    x:Name="AudioWaveView"
                     Grid.Column="2"
                     Height="40"
-                    Margin="100,0"
-                    Background="AntiqueWhite" />
+                    IsEnabled="False" />
 
                 <DockPanel Grid.Column="3" Height="40">
                     <TextBlock

diff --git a/Correlator/Correlator.csproj b/Correlator/Correlator.csproj
index 5d33683..67c2daf 100644
--- a/Correlator/Correlator.csproj
+++ b/Correlator/Correlator.csproj
@@ -232,6 +232,7 @@
     <Compile Include="Dialog\SoundSpeedDialog.xaml.cs">
       <DependentUpon>SoundSpeedDialog.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Events\AudioSampleEvent.cs" />
     <Compile Include="Events\BlueSensorEvent.cs" />
     <Compile Include="Events\CheckResponseEvent.cs" />
     <Compile Include="Events\ClearOscillogramEvent.cs" />
diff --git a/Correlator/Events/AudioSampleEvent.cs b/Correlator/Events/AudioSampleEvent.cs
new file mode 100644
index 0000000..2309da1
--- /dev/null
+++ b/Correlator/Events/AudioSampleEvent.cs
@@ -0,0 +1,9 @@
+using Prism.Events;
+
+namespace Correlator.Events
+{
+    public class AudioSampleEvent : PubSubEvent<double[]>
+    {
+        
+    }
+}
\ No newline at end of file
diff --git a/Correlator/ViewModels/AudioFileViewModel.cs b/Correlator/ViewModels/AudioFileViewModel.cs
index 97030b7..e8ea51b 100644
--- a/Correlator/ViewModels/AudioFileViewModel.cs
+++ b/Correlator/ViewModels/AudioFileViewModel.cs
@@ -4,12 +4,14 @@
 using System.Linq;
 using System.Windows.Controls;
 using System.Windows.Threading;
+using Correlator.Events;
 using Correlator.Model;
 using Correlator.Util;
 using HandyControl.Controls;
 using HandyControl.Data;
 using NAudio.Wave;
 using Prism.Commands;
+using Prism.Events;
 using Prism.Mvvm;
 using Prism.Services.Dialogs;
 
@@ -116,7 +118,7 @@
             Interval = new TimeSpan(0, 0, 0, 1)
         };
 
-        public AudioFileViewModel(IDialogService dialogService)
+        public AudioFileViewModel(IDialogService dialogService, IEventAggregator eventAggregator)
         {
             _audioTimer.Tick += delegate
             {
@@ -132,6 +134,13 @@
                 }
 
                 CurrentValue = _audioFileReader.CurrentTime.Seconds;
+
+                var buffer = new float[1000];
+                var samplesRead = _audioFileReader.Read(buffer, 0, buffer.Length);
+                var samples = buffer.Take(samplesRead).Select(x => (double)Math.Abs(x));
+                var array = samples.ToArray();
+
+                eventAggregator.GetEvent<AudioSampleEvent>().Publish(array);
             };
 
             GoBackCommand = new DelegateCommand(delegate
diff --git a/Correlator/Views/AudioFileView.xaml b/Correlator/Views/AudioFileView.xaml
index 13e4529..996edc6 100644
--- a/Correlator/Views/AudioFileView.xaml
+++ b/Correlator/Views/AudioFileView.xaml
@@ -66,12 +66,11 @@
                         Text="File List" />
                 </StackPanel>
 
-                <Canvas
-                    x:Name="AudioWaveCanvas"
+                <WpfPlot
+                    x:Name="AudioWaveView"
                     Grid.Column="2"
                     Height="40"
-                    Margin="100,0"
-                    Background="AntiqueWhite" />
+                    IsEnabled="False" />
 
                 <DockPanel Grid.Column="3" Height="40">
                     <TextBlock
diff --git a/Correlator/Views/AudioFileView.xaml.cs b/Correlator/Views/AudioFileView.xaml.cs
index ec94ae9..67a3d5a 100644
--- a/Correlator/Views/AudioFileView.xaml.cs
+++ b/Correlator/Views/AudioFileView.xaml.cs
@@ -1,12 +1,36 @@
-using System.Windows.Controls;
+using System;
+using System.Drawing;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Threading;
+using Correlator.Events;
+using Prism.Events;
 
 namespace Correlator.Views
 {
     public partial class AudioFileView : UserControl
     {
-        public AudioFileView()
+        public AudioFileView(IEventAggregator eventAggregator)
         {
             InitializeComponent();
+
+            //去掉网格线
+            AudioWaveView.Plot.Grid(false);
+            AudioWaveView.Plot.Frameless();
+
+            eventAggregator.GetEvent<AudioSampleEvent>().Subscribe(delegate(double[] doubles)
+            {
+                Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(delegate
+                {
+                    if (doubles.Any())
+                    {
+                        AudioWaveView.Plot.Clear();
+                        AudioWaveView.Plot.AddSignal(doubles, color: Color.FromArgb(255, 49, 151, 36));
+                        AudioWaveView.Refresh();
+                    }
+                }));
+            });
         }
     }
 }
\ No newline at end of file