diff --git a/RedBookPlayer.Common/Discs/CompactDisc.cs b/RedBookPlayer.Common/Discs/CompactDisc.cs
index 3338839..0fe5311 100644
--- a/RedBookPlayer.Common/Discs/CompactDisc.cs
+++ b/RedBookPlayer.Common/Discs/CompactDisc.cs
@@ -11,7 +11,7 @@ using static Aaru.Decoders.CD.FullTOC;
 
 namespace RedBookPlayer.Common.Discs
 {
-    public class CompactDisc : OpticalDisc, IReactiveObject
+    public class CompactDisc : OpticalDiscBase, IReactiveObject
     {
         #region Public Fields
 
diff --git a/RedBookPlayer.Common/Discs/OpticalDisc.cs b/RedBookPlayer.Common/Discs/OpticalDiscBase.cs
similarity index 98%
rename from RedBookPlayer.Common/Discs/OpticalDisc.cs
rename to RedBookPlayer.Common/Discs/OpticalDiscBase.cs
index b522574..0a0ab60 100644
--- a/RedBookPlayer.Common/Discs/OpticalDisc.cs
+++ b/RedBookPlayer.Common/Discs/OpticalDiscBase.cs
@@ -4,7 +4,7 @@ using ReactiveUI;
 
 namespace RedBookPlayer.Common.Discs
 {
-    public abstract class OpticalDisc : ReactiveObject
+    public abstract class OpticalDiscBase : ReactiveObject
     {
         #region Public Fields
 
diff --git a/RedBookPlayer.Common/Discs/OpticalDiscFactory.cs b/RedBookPlayer.Common/Factories/OpticalDiscFactory.cs
similarity index 91%
rename from RedBookPlayer.Common/Discs/OpticalDiscFactory.cs
rename to RedBookPlayer.Common/Factories/OpticalDiscFactory.cs
index 52ad9d8..b4f290c 100644
--- a/RedBookPlayer.Common/Discs/OpticalDiscFactory.cs
+++ b/RedBookPlayer.Common/Factories/OpticalDiscFactory.cs
@@ -3,8 +3,9 @@ using Aaru.CommonTypes.Interfaces;
 using Aaru.CommonTypes.Metadata;
 using Aaru.DiscImages;
 using Aaru.Filters;
+using RedBookPlayer.Common.Discs;
 
-namespace RedBookPlayer.Common.Discs
+namespace RedBookPlayer.Common.Factories
 {
     public static class OpticalDiscFactory
     {
@@ -17,7 +18,7 @@ namespace RedBookPlayer.Common.Discs
         /// <param name="loadDataTracks">Load data tracks for playback [CompactDisc only]</param>
         /// <param name="autoPlay">True if the image should be playable immediately, false otherwise</param>
         /// <returns>Instantiated OpticalDisc, if possible</returns>
-        public static OpticalDisc GenerateFromPath(string path, bool generateMissingToc, bool loadHiddenTracks, bool loadDataTracks, bool autoPlay)
+        public static OpticalDiscBase GenerateFromPath(string path, bool generateMissingToc, bool loadHiddenTracks, bool loadDataTracks, bool autoPlay)
         {
             try
             {
@@ -51,14 +52,14 @@ namespace RedBookPlayer.Common.Discs
         /// <param name="loadDataTracks">Load data tracks for playback [CompactDisc only]</param>
         /// <param name="autoPlay">True if the image should be playable immediately, false otherwise</param>
         /// <returns>Instantiated OpticalDisc, if possible</returns>
-        public static OpticalDisc GenerateFromImage(IOpticalMediaImage image, bool generateMissingToc, bool loadHiddenTracks, bool loadDataTracks, bool autoPlay)
+        public static OpticalDiscBase GenerateFromImage(IOpticalMediaImage image, bool generateMissingToc, bool loadHiddenTracks, bool loadDataTracks, bool autoPlay)
         {
             // If the image is not usable, we don't do anything
             if(!IsUsableImage(image))
                 return null;
 
             // Create the output object
-            OpticalDisc opticalDisc;
+            OpticalDiscBase opticalDisc;
 
             // Create the proper disc type
             switch(GetMediaType(image))
diff --git a/RedBookPlayer.Common/Hardware/Player.cs b/RedBookPlayer.Common/Hardware/Player.cs
index 8c4c256..4cf76d2 100644
--- a/RedBookPlayer.Common/Hardware/Player.cs
+++ b/RedBookPlayer.Common/Hardware/Player.cs
@@ -3,6 +3,7 @@ using System.ComponentModel;
 using Aaru.CommonTypes.Enums;
 using ReactiveUI;
 using RedBookPlayer.Common.Discs;
+using RedBookPlayer.Common.Factories;
 
 namespace RedBookPlayer.Common.Hardware
 {
@@ -179,7 +180,7 @@ namespace RedBookPlayer.Common.Hardware
         /// <summary>
         /// OpticalDisc object
         /// </summary>
-        private readonly OpticalDisc _opticalDisc;
+        private readonly OpticalDiscBase _opticalDisc;
 
         /// <summary>
         /// Last volume for mute toggling
diff --git a/RedBookPlayer.Common/Hardware/SoundOutput.cs b/RedBookPlayer.Common/Hardware/SoundOutput.cs
index b460cee..89f2b8c 100644
--- a/RedBookPlayer.Common/Hardware/SoundOutput.cs
+++ b/RedBookPlayer.Common/Hardware/SoundOutput.cs
@@ -68,7 +68,7 @@ namespace RedBookPlayer.Common.Hardware
         /// <remarks>
         /// TODO: Can we remove the need for a local reference to OpticalDisc?
         /// </remarks>
-        private OpticalDisc _opticalDisc;
+        private OpticalDiscBase _opticalDisc;
 
         /// <summary>
         /// Data provider for sound output
@@ -108,7 +108,7 @@ namespace RedBookPlayer.Common.Hardware
         /// <param name="opticalDisc">OpticalDisc to load from</param>
         /// <param name="autoPlay">True if playback should begin immediately, false otherwise</param>
         /// <param name="defaultVolume">Default volume between 0 and 100 to use when starting playback</param>
-        public void Init(OpticalDisc opticalDisc, bool autoPlay = false, int defaultVolume = 100)
+        public void Init(OpticalDiscBase opticalDisc, bool autoPlay = false, int defaultVolume = 100)
         {
             // If we have an unusable disc, just return
             if(opticalDisc == null || !opticalDisc.Initialized)
diff --git a/RedBookPlayer.GUI/PlayerView.xaml.cs b/RedBookPlayer.GUI/PlayerView.xaml.cs
index d2af50e..a1b763b 100644
--- a/RedBookPlayer.GUI/PlayerView.xaml.cs
+++ b/RedBookPlayer.GUI/PlayerView.xaml.cs
@@ -84,45 +84,6 @@ namespace RedBookPlayer.GUI
             PlayerViewModel.SetLoadHiddenTracks(App.Settings.PlayHiddenTracks);
         }
 
-        /// <summary>
-        /// Generate the digit string to be interpreted by the frontend
-        /// </summary>
-        /// <returns>String representing the digits for the frontend</returns>
-        private string GenerateDigitString()
-        {
-            // If the disc isn't initialized, return all '-' characters
-            if(PlayerViewModel?.Initialized != true)
-                return string.Empty.PadLeft(20, '-');
-
-            int usableTrackNumber = PlayerViewModel.CurrentTrackNumber;
-            if(usableTrackNumber < 0)
-                usableTrackNumber = 0;
-            else if(usableTrackNumber > 99)
-                usableTrackNumber = 99;
-
-            // Otherwise, take the current time into account
-            ulong sectorTime = GetCurrentSectorTime();
-
-            int[] numbers = new int[]
-            {
-                usableTrackNumber,
-                PlayerViewModel.CurrentTrackIndex,
-
-                (int)(sectorTime / (75 * 60)),
-                (int)(sectorTime / 75 % 60),
-                (int)(sectorTime % 75),
-
-                PlayerViewModel.TotalTracks,
-                PlayerViewModel.TotalIndexes,
-
-                (int)(PlayerViewModel.TotalTime / (75 * 60)),
-                (int)(PlayerViewModel.TotalTime / 75 % 60),
-                (int)(PlayerViewModel.TotalTime % 75),
-            };
-
-            return string.Join("", numbers.Select(i => i.ToString().PadLeft(2, '0').Substring(0, 2)));
-        }
-
         /// <summary>
         /// Load the png image for a given character based on the theme
         /// </summary>
@@ -151,21 +112,6 @@ namespace RedBookPlayer.GUI
             }
         }
 
-        /// <summary>
-        /// Get current sector time, accounting for offsets
-        /// </summary>
-        /// <returns>ulong representing the current sector time</returns>
-        private ulong GetCurrentSectorTime()
-        {
-            ulong sectorTime = PlayerViewModel.CurrentSector;
-            if(PlayerViewModel.SectionStartSector != 0)
-                sectorTime -= PlayerViewModel.SectionStartSector;
-            else if (PlayerViewModel.CurrentTrackNumber > 0)
-                sectorTime += PlayerViewModel.TimeOffset;
-
-            return sectorTime;
-        }
-
         /// <summary>
         /// Generate a path selection dialog box
         /// </summary>
@@ -244,7 +190,7 @@ namespace RedBookPlayer.GUI
         {
             Dispatcher.UIThread.InvokeAsync(() =>
             {
-                string digitString = GenerateDigitString();
+                string digitString = PlayerViewModel?.GenerateDigitString() ?? string.Empty.PadLeft(20, '-');
                 for(int i = 0; i < _digits.Length; i++)
                 {
                     Bitmap digitImage = GetBitmap(digitString[i]);
diff --git a/RedBookPlayer.GUI/ViewModels/PlayerViewModel.cs b/RedBookPlayer.GUI/ViewModels/PlayerViewModel.cs
index 2c9d466..a5cad4a 100644
--- a/RedBookPlayer.GUI/ViewModels/PlayerViewModel.cs
+++ b/RedBookPlayer.GUI/ViewModels/PlayerViewModel.cs
@@ -1,4 +1,5 @@
 using System.ComponentModel;
+using System.Linq;
 using System.Reactive;
 using ReactiveUI;
 using RedBookPlayer.Common.Hardware;
@@ -421,6 +422,45 @@ namespace RedBookPlayer.GUI.ViewModels
 
         #region Helpers
 
+        /// <summary>
+        /// Generate the digit string to be interpreted by the frontend
+        /// </summary>
+        /// <returns>String representing the digits for the frontend</returns>
+        public string GenerateDigitString()
+        {
+            // If the disc isn't initialized, return all '-' characters
+            if(Initialized != true)
+                return string.Empty.PadLeft(20, '-');
+
+            int usableTrackNumber = CurrentTrackNumber;
+            if(usableTrackNumber < 0)
+                usableTrackNumber = 0;
+            else if(usableTrackNumber > 99)
+                usableTrackNumber = 99;
+
+            // Otherwise, take the current time into account
+            ulong sectorTime = GetCurrentSectorTime();
+
+            int[] numbers = new int[]
+            {
+                usableTrackNumber,
+                CurrentTrackIndex,
+
+                (int)(sectorTime / (75 * 60)),
+                (int)(sectorTime / 75 % 60),
+                (int)(sectorTime % 75),
+
+                TotalTracks,
+                TotalIndexes,
+
+                (int)(TotalTime / (75 * 60)),
+                (int)(TotalTime / 75 % 60),
+                (int)(TotalTime % 75),
+            };
+
+            return string.Join("", numbers.Select(i => i.ToString().PadLeft(2, '0').Substring(0, 2)));
+        }
+
         /// <summary>
         /// Set the value for loading data tracks [CompactDisc only]
         /// </summary>
@@ -433,6 +473,21 @@ namespace RedBookPlayer.GUI.ViewModels
         /// <param name="load">True to enable loading hidden tracks, false otherwise</param>
         public void SetLoadHiddenTracks(bool load) => _player?.SetLoadHiddenTracks(load);
 
+        /// <summary>
+        /// Get current sector time, accounting for offsets
+        /// </summary>
+        /// <returns>ulong representing the current sector time</returns>
+        private ulong GetCurrentSectorTime()
+        {
+            ulong sectorTime = CurrentSector;
+            if(SectionStartSector != 0)
+                sectorTime -= SectionStartSector;
+            else if(CurrentTrackNumber > 0)
+                sectorTime += TimeOffset;
+
+            return sectorTime;
+        }
+
         /// <summary>
         /// Update the view-model from the Player
         /// </summary>