diff --git a/Correlator/Dialog/AudioVisualizeDialog.xaml b/Correlator/Dialog/AudioVisualizeDialog.xaml
index 7c29b7b..c4d9b4b 100644
--- a/Correlator/Dialog/AudioVisualizeDialog.xaml
+++ b/Correlator/Dialog/AudioVisualizeDialog.xaml
@@ -44,9 +44,12 @@
                 Text="音频波形图" />
 
             <Grid
+                x:Name="SampleWavePanel"
                 Grid.Column="1"
                 Margin="0,10,10,0"
-                Background="Black" />
+                Background="Black">
+                <Path x:Name="SampleWavePath" />
+            </Grid>
         </Grid>
 
         <Grid Grid.Row="1">

diff --git a/Correlator/Dialog/AudioVisualizeDialog.xaml b/Correlator/Dialog/AudioVisualizeDialog.xaml
index 7c29b7b..c4d9b4b 100644
--- a/Correlator/Dialog/AudioVisualizeDialog.xaml
+++ b/Correlator/Dialog/AudioVisualizeDialog.xaml
@@ -44,9 +44,12 @@
                 Text="音频波形图" />
 
             <Grid
+                x:Name="SampleWavePanel"
                 Grid.Column="1"
                 Margin="0,10,10,0"
-                Background="Black" />
+                Background="Black">
+                <Path x:Name="SampleWavePath" />
+            </Grid>
         </Grid>
 
         <Grid Grid.Row="1">
diff --git a/Correlator/Dialog/AudioVisualizeDialog.xaml.cs b/Correlator/Dialog/AudioVisualizeDialog.xaml.cs
index 13155b8..041aad4 100644
--- a/Correlator/Dialog/AudioVisualizeDialog.xaml.cs
+++ b/Correlator/Dialog/AudioVisualizeDialog.xaml.cs
@@ -15,7 +15,12 @@
     {
         private readonly AudioVisualizer _visualizer; // 可视化
         private readonly WasapiCapture _capture; // 音频捕获
-        private double[] _spectrumData; // 频谱数据
+
+        /// <summary>
+        /// 频谱数据
+        /// </summary>
+        private double[] _spectrumData;
+
         private int _colorIndex;
         private readonly Color[] _allColors;
 
@@ -109,6 +114,16 @@
             var color1 = _allColors[_colorIndex % _allColors.Length];
             var color2 = _allColors[(_colorIndex + 200) % _allColors.Length];
 
+            //时域
+            var curveBrush = new SolidColorBrush(color1);
+            DrawCurve(
+                SampleWavePath, curveBrush,
+                _visualizer.SampleData, _visualizer.SampleData.Length,
+                SampleWavePanel.ActualWidth, 0, SampleWavePanel.ActualHeight / 2,
+                Math.Min(SampleWavePanel.ActualHeight / 2, 50)
+            );
+
+            //频域
             DrawGradientStrips(
                 StripsPath, color1, color2,
                 _spectrumData, _spectrumData.Length,
@@ -118,6 +133,41 @@
         }
 
         /// <summary>
+        /// 画曲线
+        /// </summary>
+        /// <param name="wavePath"></param>
+        /// <param name="brush"></param>
+        /// <param name="spectrumData"></param>
+        /// <param name="pointCount"></param>
+        /// <param name="drawingWidth"></param>
+        /// <param name="xOffset"></param>
+        /// <param name="yOffset"></param>
+        /// <param name="scale">控制波形图波峰高度和波谷深度</param>
+        private void DrawCurve(
+            Path wavePath, Brush brush, double[] spectrumData, int pointCount, double drawingWidth,
+            double xOffset, double yOffset, double scale
+        )
+        {
+            var pointArray = new Point[pointCount];
+            for (var i = 0; i < pointCount; i++)
+            {
+                var x = i * drawingWidth / pointCount + xOffset;
+                var y = spectrumData[i * spectrumData.Length / pointCount] * scale + yOffset;
+                pointArray[i] = new Point(x, y);
+            }
+
+            var figure = new PathFigure
+            {
+                StartPoint = pointArray[0]
+            };
+            figure.Segments.Add(new PolyLineSegment(pointArray, true));
+
+            wavePath.Data = new PathGeometry { Figures = { figure } };
+            wavePath.StrokeThickness = 2;
+            wavePath.Stroke = brush;
+        }
+
+        /// <summary>
         /// 绘制渐变的条形
         /// </summary>
         /// <param name="stripsPath">绘图目标</param>

diff --git a/Correlator/Dialog/AudioVisualizeDialog.xaml b/Correlator/Dialog/AudioVisualizeDialog.xaml
index 7c29b7b..c4d9b4b 100644
--- a/Correlator/Dialog/AudioVisualizeDialog.xaml
+++ b/Correlator/Dialog/AudioVisualizeDialog.xaml
@@ -44,9 +44,12 @@
                 Text="音频波形图" />
 
             <Grid
+                x:Name="SampleWavePanel"
                 Grid.Column="1"
                 Margin="0,10,10,0"
-                Background="Black" />
+                Background="Black">
+                <Path x:Name="SampleWavePath" />
+            </Grid>
         </Grid>
 
         <Grid Grid.Row="1">
diff --git a/Correlator/Dialog/AudioVisualizeDialog.xaml.cs b/Correlator/Dialog/AudioVisualizeDialog.xaml.cs
index 13155b8..041aad4 100644
--- a/Correlator/Dialog/AudioVisualizeDialog.xaml.cs
+++ b/Correlator/Dialog/AudioVisualizeDialog.xaml.cs
@@ -15,7 +15,12 @@
     {
         private readonly AudioVisualizer _visualizer; // 可视化
         private readonly WasapiCapture _capture; // 音频捕获
-        private double[] _spectrumData; // 频谱数据
+
+        /// <summary>
+        /// 频谱数据
+        /// </summary>
+        private double[] _spectrumData;
+
         private int _colorIndex;
         private readonly Color[] _allColors;
 
@@ -109,6 +114,16 @@
             var color1 = _allColors[_colorIndex % _allColors.Length];
             var color2 = _allColors[(_colorIndex + 200) % _allColors.Length];
 
+            //时域
+            var curveBrush = new SolidColorBrush(color1);
+            DrawCurve(
+                SampleWavePath, curveBrush,
+                _visualizer.SampleData, _visualizer.SampleData.Length,
+                SampleWavePanel.ActualWidth, 0, SampleWavePanel.ActualHeight / 2,
+                Math.Min(SampleWavePanel.ActualHeight / 2, 50)
+            );
+
+            //频域
             DrawGradientStrips(
                 StripsPath, color1, color2,
                 _spectrumData, _spectrumData.Length,
@@ -118,6 +133,41 @@
         }
 
         /// <summary>
+        /// 画曲线
+        /// </summary>
+        /// <param name="wavePath"></param>
+        /// <param name="brush"></param>
+        /// <param name="spectrumData"></param>
+        /// <param name="pointCount"></param>
+        /// <param name="drawingWidth"></param>
+        /// <param name="xOffset"></param>
+        /// <param name="yOffset"></param>
+        /// <param name="scale">控制波形图波峰高度和波谷深度</param>
+        private void DrawCurve(
+            Path wavePath, Brush brush, double[] spectrumData, int pointCount, double drawingWidth,
+            double xOffset, double yOffset, double scale
+        )
+        {
+            var pointArray = new Point[pointCount];
+            for (var i = 0; i < pointCount; i++)
+            {
+                var x = i * drawingWidth / pointCount + xOffset;
+                var y = spectrumData[i * spectrumData.Length / pointCount] * scale + yOffset;
+                pointArray[i] = new Point(x, y);
+            }
+
+            var figure = new PathFigure
+            {
+                StartPoint = pointArray[0]
+            };
+            figure.Segments.Add(new PolyLineSegment(pointArray, true));
+
+            wavePath.Data = new PathGeometry { Figures = { figure } };
+            wavePath.StrokeThickness = 2;
+            wavePath.Stroke = brush;
+        }
+
+        /// <summary>
         /// 绘制渐变的条形
         /// </summary>
         /// <param name="stripsPath">绘图目标</param>
diff --git a/Correlator/Util/AudioVisualizer.cs b/Correlator/Util/AudioVisualizer.cs
index a5153f6..739b32d 100644
--- a/Correlator/Util/AudioVisualizer.cs
+++ b/Correlator/Util/AudioVisualizer.cs
@@ -58,7 +58,7 @@
         }
 
         /// <summary>
-        /// 获取频谱数据 (数据已经删去共轭部分)
+        /// 获取频域数据，采样数据（时域）转频域
         /// </summary>
         /// <returns></returns>
         public double[] GetSpectrumData()