diff --git a/source/Cosmos/Cosmos.Hardware/Audio/PCMStream.cs b/source/Cosmos/Cosmos.Hardware/Audio/PCMStream.cs
index 3aa2cf4c8..17fa16bce 100644
--- a/source/Cosmos/Cosmos.Hardware/Audio/PCMStream.cs
+++ b/source/Cosmos/Cosmos.Hardware/Audio/PCMStream.cs
@@ -3,14 +3,19 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 
-namespace Cosmos.Hardware.Audio.Devices
+namespace Cosmos.Hardware.Audio
 {
     public class PCMStream
     {
         int rate;
-        int[] data;
-        public PCMStream(int rate, int[] data)
+        short[] data;
+        double phase;
+        public PCMStream(int rate, short[] data, double phase)
         {
+            this.rate = rate;
+            this.data = data;
+            this.phase = phase;
+
         }
 
     }
diff --git a/source/DokuTest/DokuTest.csproj b/source/DokuTest/DokuTest.csproj
index 68ade5073..379792b61 100644
--- a/source/DokuTest/DokuTest.csproj
+++ b/source/DokuTest/DokuTest.csproj
@@ -51,7 +51,7 @@
     <Compile Include="ES1370.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="Sample sound\SoundSamples.cs" />
+    <Compile Include="SampleSounds\SoundSamples.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Cosmos.Build.Windows\Cosmos.Build.Windows.csproj">
diff --git a/source/DokuTest/ES1370.cs b/source/DokuTest/ES1370.cs
index 4baad2ea8..e94f278c2 100644
--- a/source/DokuTest/ES1370.cs
+++ b/source/DokuTest/ES1370.cs
@@ -18,6 +18,9 @@ namespace DokuTest
             xAudioCard.Enable();
             xAudioCard.InitializeDriver();
             xAudioCard.DumpRegisters();
+            Console.WriteLine("Test sine waves");
+            Cosmos.Hardware.Audio.PCMStream sinewave = SampleSounds.SoundSamples.generateSineWaveForm(440, 44100, 0);
+
             Console.WriteLine("Disabling first audio card...");
             xAudioCard.Disable();
             xAudioCard.DumpRegisters();
diff --git a/source/DokuTest/Sample sound/SoundSamples.cs b/source/DokuTest/SampleSounds/SoundSamples.cs
similarity index 72%
rename from source/DokuTest/Sample sound/SoundSamples.cs
rename to source/DokuTest/SampleSounds/SoundSamples.cs
index c21334d51..33946f11f 100644
--- a/source/DokuTest/Sample sound/SoundSamples.cs	
+++ b/source/DokuTest/SampleSounds/SoundSamples.cs
@@ -3,12 +3,12 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 
-namespace DokuTest.Sample_sound
+namespace DokuTest.SampleSounds
 {
     public static class SoundSamples
     {
 
-        public static Cosmos.Hardware.Audio.Devices.PCMStream generateSineWaveForm(double freq, int rate, int count, int sampleSize, int[] channelsList, int period, int nPeriods, double phase)
+        public static Cosmos.Hardware.Audio.PCMStream generateSineWaveForm(double freq, int rate, double phase)
         {
             double max_phase = 1.0 / freq;
             double step = 1.0 / (double)rate;
@@ -18,7 +18,7 @@ namespace DokuTest.Sample_sound
             List<int> frames = new List<int>();
 
             int ind_chan;
-            while (count-- > 0)
+            //while (count-- > 0)
             {/*
                 for (ind_chan = 0; ind_chan < nChannels; ind_chan++)
                 {