diff --git a/Cavern.QuickEQ/Filters/GraphicEQ.cs b/Cavern.QuickEQ/Filters/GraphicEQ.cs
index 6d605ec..2844797 100644
--- a/Cavern.QuickEQ/Filters/GraphicEQ.cs
+++ b/Cavern.QuickEQ/Filters/GraphicEQ.cs
@@ -1,5 +1,6 @@
 using System.Globalization;
 using System.Runtime.CompilerServices;
+using System.Runtime.Serialization;
 
 using Cavern.QuickEQ.Equalization;
 
@@ -24,6 +25,24 @@ public Equalizer Equalizer {
         }
         Equalizer equalizer;
 
+        /// <summary>
+        /// Get a clone of the <see cref="filter"/>'s impulse response.
+        /// </summary>
+        [IgnoreDataMember]
+        public new float[] Impulse {
+            get => base.Impulse;
+            set => base.Impulse = value;
+        }
+
+        /// <summary>
+        /// Added filter delay to the impulse, in samples.
+        /// </summary>
+        [IgnoreDataMember]
+        public new int Delay {
+            get => base.Delay;
+            set => base.Delay = value;
+        }
+
         /// <summary>
         /// Sample rate at which this EQ is converted to a minimum-phase FIR filter.
         /// </summary>
diff --git a/CavernSamples/VoidX.WPF/ObjectToDataGrid.cs b/CavernSamples/VoidX.WPF/ObjectToDataGrid.cs
index 7d61203..fed82ef 100644
--- a/CavernSamples/VoidX.WPF/ObjectToDataGrid.cs
+++ b/CavernSamples/VoidX.WPF/ObjectToDataGrid.cs
@@ -4,6 +4,7 @@
 using System.Globalization;
 using System.Linq;
 using System.Reflection;
+using System.Runtime.Serialization;
 using System.Windows.Controls;
 
 using FilterStudio;
@@ -122,6 +123,10 @@ public ObjectToDataGrid(object source, Action successCallback, Action<Exception>
             PropertyInfo[] properties = source.GetType().GetProperties();
             for (int i = 0; i < properties.Length; i++) {
                 PropertyInfo property = properties[i];
+                if (property.GetCustomAttribute<IgnoreDataMemberAttribute>() != null) {
+                    continue;
+                }
+
                 if (property.SetMethod != null && property.SetMethod.IsPublic) {
                     (Type type, Action<object> editor) = customFields.FirstOrDefault(x => x.type == property.PropertyType);
                     if (editor == null) {