diff --git a/VL.Audio/VL.Audio.vl b/VL.Audio/VL.Audio.vl
index 115fde0..cb4dece 100644
--- a/VL.Audio/VL.Audio.vl
+++ b/VL.Audio/VL.Audio.vl
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Document xmlns:p="property" xmlns:r="reflection" Id="HTX4axw4uH5NDghqAqpe1F" LanguageVersion="2025.7.0-0305-g98ea128603" Version="0.128">
+<Document xmlns:p="property" xmlns:r="reflection" Id="HTX4axw4uH5NDghqAqpe1F" LanguageVersion="2024.6.6" Version="0.128">
   <Patch Id="Mj1seFpSbg5MtaCXVBGhJf">
     <Canvas Id="ClqUpgLjNRdQbB5ajAF1ry" DefaultCategory="Audio" CanvasType="FullCategory">
       <!--
@@ -2515,7 +2515,7 @@
     ************************ Meter ************************
 
 -->
-        <Node Name="Meter" Bounds="243,265" Id="UF5dEH2A8JiPAkhTTconda" Summary="Calculates the maximum dB of an audio signal" Tags="level,dB,decibel">
+        <Node Name="Meter" Bounds="243,302" Id="UF5dEH2A8JiPAkhTTconda" Summary="Calculates the maximum dB of an audio signal" Tags="level,dB,decibel">
           <p:NodeReference LastCategoryFullName="Primitive" LastDependency="builtin">
             <Choice Kind="ContainerDefinition" Name="Process" />
           </p:NodeReference>
@@ -5717,7 +5717,7 @@
                 <Pin Id="KTA2XY09OxVMVSCbSlp4df" Name="Output" Kind="StateOutputPin" />
               </Node>
             </Canvas>
-            <ProcessDefinition Id="RkjxTwKuXCAP8l5Dal04mm">
+            <ProcessDefinition Aspects="Obsolete" Id="RkjxTwKuXCAP8l5Dal04mm">
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             </ProcessDefinition>
@@ -6118,6 +6118,232 @@
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         </Node>
+        <!--
+
+    ************************ FFTThreaded ************************
+
+-->
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@@ -7555,7 +7780,6 @@
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@@ -13260,7 +13480,6 @@
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diff --git a/VL.Audio/help/Analysis/Example FFT 3D Waterfall of an audio signal.vl b/VL.Audio/help/Analysis/Example FFT 3D Waterfall of an audio signal.vl
index d442e97..174e52d 100644
--- a/VL.Audio/help/Analysis/Example FFT 3D Waterfall of an audio signal.vl	
+++ b/VL.Audio/help/Analysis/Example FFT 3D Waterfall of an audio signal.vl	
@@ -1,6 +1,6 @@
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@@ -589,7 +576,7 @@
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             </p:TypeAnnotation>
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-          <Node Bounds="397,134,53,19" Id="S044M1sLHrAMVTuaGQTvnK">
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@@ -686,6 +673,20 @@
               <Choice Kind="TypeFlag" Name="RGBA" />
             </p:TypeAnnotation>
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+          <Node Bounds="396,257,105,19" Id="PceEUg3J0ibP0zXo7irk7U">
+            <p:NodeReference LastCategoryFullName="Audio.Analysis" LastDependency="VL.Audio.vl">
+              <Choice Kind="NodeFlag" Name="Node" Fixed="true" />
+              <Choice Kind="ProcessAppFlag" Name="FFTThreaded" />
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+            <Pin Id="PVj2NuEqqEyOHNlX0NqRaT" Name="Window Function" Kind="InputPin" />
+            <Pin Id="GV1v1tmf8PwPkZtRxnRnjL" Name="db Range" Kind="InputPin" />
+            <Pin Id="C1F3jWtxqkcLELsaFyZjZT" Name="Smoothing" Kind="InputPin" />
+            <Pin Id="UCJZ5DMyGClNkFZr1p5iUS" Name="Calculate Continuously" Kind="InputPin" />
+            <Pin Id="LhXg3u8YJl0PwI46cUxWtE" Name="Output" Kind="OutputPin" />
+          </Node>
         </Canvas>
         <Patch Id="BZfyHIn50AMOhy8qYm4OJJ" Name="Create" />
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@@ -711,19 +712,19 @@
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-  <NugetDependency Id="RmhUYuK34RbPqVWgyQV5xd" Location="VL.Stride.TextureFX" Version="2024.6.0-0258-g2531a86036" />
+  <NugetDependency Id="MPbdB4jct3zMZl8bMcjF5M" Location="VL.Stride" Version="2024.6.6" />
+  <NugetDependency Id="RmhUYuK34RbPqVWgyQV5xd" Location="VL.Stride.TextureFX" Version="2024.6.6" />
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diff --git a/VL.Audio/help/Analysis/HowTo Calculate the FFT of an audio signal.vl b/VL.Audio/help/Analysis/HowTo Calculate the FFT of an audio signal.vl
index b2c0412..1c4ab37 100644
--- a/VL.Audio/help/Analysis/HowTo Calculate the FFT of an audio signal.vl	
+++ b/VL.Audio/help/Analysis/HowTo Calculate the FFT of an audio signal.vl	
@@ -1,6 +1,6 @@
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@@ -258,22 +244,22 @@
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-          <Pad Id="IY88FhCpk0tLFU5YWe2Vtx" Comment="Window Function" Bounds="431,170,105,15" ShowValueBox="true" isIOBox="true" Value="Hann">
+          <Pad Id="IY88FhCpk0tLFU5YWe2Vtx" Comment="Window Function" Bounds="430,138,105,15" ShowValueBox="true" isIOBox="true" Value="Hann">
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-          <Pad Id="KWb570t0jLgQLf6b6RPOao" Comment="db Range" Bounds="471,248,35,15" ShowValueBox="true" isIOBox="true" Value="72">
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-          <Pad Id="H573wQc495MLkDXXu6U47g" Comment="Smoothing" Bounds="451,202,35,15" ShowValueBox="true" isIOBox="true" Value="0.5">
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-          <Pad Id="LjdFqnu69uCQGN0qBYcJuT" Comment="Bin Count" Bounds="411,138,48,15" ShowValueBox="true" isIOBox="true" Value="256">
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+              <p:stringtype p:Assembly="VL.Core" p:Type="VL.Core.StringType">Comment</p:stringtype>
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+          </Pad>
         </Canvas>
         <Patch Id="BZfyHIn50AMOhy8qYm4OJJ" Name="Create" />
         <Patch Id="SKJMq4OWRupPBKu5KHiGNr" Name="Update" />
@@ -343,7 +360,6 @@
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@@ -360,26 +376,28 @@
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     </Node>
   </Patch>
-  <NugetDependency Id="Lv6fAP4LMmWP2ovZCiIeTO" Location="VL.Skia" Version="2024.6.0-0265-ga193ffb214" />
+  <NugetDependency Id="Lv6fAP4LMmWP2ovZCiIeTO" Location="VL.Skia" Version="2024.6.6" />
   <NugetDependency Id="Encrxf37rREOTYwNeB8Dwi" Location="VL.Audio" Version="0.0.0.0" />
 </Document>
\ No newline at end of file
diff --git a/VL.Audio/src/Signals/Sinks/FFTOutSignal.cs b/VL.Audio/src/Signals/Sinks/FFTOutSignal.cs
index 6f63935..5c5657b 100644
--- a/VL.Audio/src/Signals/Sinks/FFTOutSignal.cs
+++ b/VL.Audio/src/Signals/Sinks/FFTOutSignal.cs
@@ -3,6 +3,7 @@
 using System.Reactive.Linq;
 using System.Reactive.Subjects;
 using System.Runtime.InteropServices;
+using System.Threading;
 using FftSharp;
 using NAudio.Utils;
 using VL.Core.CompilerServices;
@@ -45,6 +46,9 @@ protected override IReadOnlyDictionary<string, object> GetEntries()
             entries.Add("1024", 1024);
             entries.Add("2048", 2048);
             entries.Add("4096", 4096);
+            entries.Add("8192", 8192);
+            entries.Add("16384", 16384);
+            entries.Add("32768", 32768);
             return entries;
         }
 
@@ -57,6 +61,7 @@ protected override IObservable<object> GetEntriesChangedObservable()
         protected override bool AutoSortAlphabetically => false;
     }
 
+    [Obsolete("Use FFTOutSignalThreaded instead")]
     public class FFTOutSignal : SinkSignal
     {
         protected CircularBuffer FRingBuffer = new CircularBuffer(512);
@@ -160,6 +165,175 @@ void CalcFFT(float[] ringbufferData)
             }
         }
     }
+
+    public class FFTOutSignalThreaded : SinkSignal
+    {
+        protected CircularBufferThreadSafe FRingBuffer = new CircularBufferThreadSafe(512);
+        private volatile bool bufferReady = false;
+
+        private AutoResetEvent processingTrigger = new AutoResetEvent(false);
+        private Thread processingThread;
+        private bool stopFlag = false;
+
+        private void OnBufferReady(float[] buffer)
+        {
+            bufferReady = true;
+        }
+
+        private void OnNewData(float[] data)
+        {
+            if (ContinuouslyCalculate)
+            {
+                processingTrigger.Set();
+            }
+        }
+
+        public FFTOutSignalThreaded(AudioSignal input)
+        {
+            InputSignal.Value = input;
+            FRingBuffer.BufferFilled = OnBufferReady;
+            FRingBuffer.WriteCompleted = OnNewData;
+            processingThread = new Thread(() =>
+            {
+                while (true)
+                {
+                    if (processingTrigger.WaitOne())
+                    {
+                        if (stopFlag) return;
+                        CalcFFT();
+                    }
+                }
+            });
+            processingThread.Start();
+        }
+
+        public override void Dispose()
+        {
+            stopFlag = true;
+            processingTrigger.Set();
+            base.Dispose();
+        }
+
+        public int Size
+        {
+            get
+            {
+                return FRingBuffer.Size;
+            }
+            set
+            {
+                bufferReady = false; // Resizing the buffer means there's no longer enough data
+                FRingBuffer.Size = value;
+            }
+        }
+
+        public float DBRange
+        {
+            get => FdBRange;
+            set
+            {
+                FdBRange = value;
+                FMindB = (float)Decibels.DecibelsToLinear(-FdBRange);
+            }
+        }
+
+        float FMindB = (float)Decibels.DecibelsToLinear(-120);
+
+        public float Smoothing { get; set; }
+        public bool ContinuouslyCalculate { get; set; } = false; // Either calculate on request, or as soon as new data is available
+
+        WindowFunction windowFunc;
+
+        public WindowFunction WindowFunc
+        {
+            get
+            {
+                return windowFunc;
+            }
+            set
+            {
+                if (windowFunc != value)
+                {
+                    windowFunc = value;
+                    FWindow = AudioUtils.CreateWindowDouble(FRingBuffer.Size, WindowFunc);
+                }
+            }
+        }
+
+        double[] FFFTBuffer = new double[1];
+        Complex[] FFFTComplexBuffer = new Complex[1];
+        float[] FFTOutThreadInternal = new float[2];
+        float[] FFTOutInternal = new float[2];
+        double[] FWindow = new double[1];
+        private float FdBRange;
+
+        protected override void FillBuffer(float[] buffer, int offset, int count)
+        {
+            if (InputSignal.Value != null)
+            {
+                InputSignal.Read(buffer, offset, count);
+
+                //calc fft
+                var fftSize = FRingBuffer.Size;
+
+                if (FFFTBuffer.Length != fftSize)
+                {
+                    bufferReady = false;
+                    FFFTBuffer = new double[fftSize];
+                    FFFTComplexBuffer = new Complex[fftSize];
+                    FFTOutInternal = new float[fftSize / 2];
+                    FFTOutThreadInternal = new float[fftSize / 2];
+                    FWindow = AudioUtils.CreateWindowDouble(fftSize, WindowFunc);
+                }
+
+                //write to buffer
+                FRingBuffer.Write(buffer, offset, count);
+            }
+        }
+
+        // This is run by the processing thread
+        private void CalcFFT()
+        {
+            int fftSize = FRingBuffer.Size;
+            if (!bufferReady)
+            {
+                return;
+            }
+            FRingBuffer.ReadDouble(FFFTBuffer, 0, fftSize);
+            for (int i = 0; i < FFFTBuffer.Length; i++)
+            {
+                FFFTBuffer[i] *= FWindow[i];
+            }
+
+            var complex = new Span<Complex>(FFFTComplexBuffer);
+            Transform.MakeComplex(complex, new Span<double>(FFFTBuffer));
+
+            // Calculate the FFT as an array of complex numbers
+            Transform.FFT(complex);
+
+            var halfSize = fftSize / 2;
+            FFTOutThreadInternal[0] = 0;
+            for (int n = 1; n < halfSize; n++)
+            {
+                var lastValue = FFTOutThreadInternal[n];
+                var newValue = (float)Decibels.LinearToDecibels(Math.Max(complex[n].MagnitudeSquared, FMindB)) / FdBRange + 1;
+                FFTOutThreadInternal[n] = newValue * (1 - Smoothing) + lastValue * Smoothing;
+            }
+            lock (FFTOutInternal)
+            {
+                Array.Copy(FFTOutThreadInternal, FFTOutInternal, halfSize);
+            }
+        }
+
+        public float[] GetFFT()
+        {
+            if (!ContinuouslyCalculate) processingTrigger.Set(); // Request new data
+            lock (FFTOutInternal)
+            {
+                return FFTOutInternal;
+            }
+        }
+    }
 }
 
 
diff --git a/VL.Audio/src/Utils/CircularBuffer.cs b/VL.Audio/src/Utils/CircularBuffer.cs
index 29e0a1b..a720c98 100644
--- a/VL.Audio/src/Utils/CircularBuffer.cs
+++ b/VL.Audio/src/Utils/CircularBuffer.cs
@@ -126,7 +126,132 @@ public void ReadDoubleWindowed(double[] data, double[] window, int offset, int c
             }
         }
     }
-    
+
+    /// <summary>
+    /// Simple wrapper around a float array
+    /// </summary>
+    public class CircularBufferThreadSafe
+    {
+        int FSize;
+        float[] Buffer;
+
+        public CircularBufferThreadSafe(int size)
+        {
+            Size = size;
+        }
+
+        public int Size
+        {
+            get
+            {
+                return FSize;
+            }
+            set
+            {
+                if (FSize != value)
+                {
+                    Buffer = new float[value];
+                    FSize = value;
+                    FWritePos = -1;
+                }
+            }
+        }
+
+        public Action<float[]> BufferFilled;
+        public Action<float[]> WriteCompleted;
+
+        int FWritePos = -1;
+        /// <summary>
+        /// Writes new data after the latest ones
+        /// </summary>
+        /// <param name="data"></param>
+        /// <param name="offset"></param>
+        /// <param name="count"></param>
+        public void Write(float[] data, int offset, int count)
+        {
+            lock (Buffer)
+            {
+                for (int i = 0; i < count; i++)
+                {
+                    FWritePos++;
+                    if (FWritePos >= FSize)
+                    {
+                        FWritePos = 0;
+                        BufferFilled?.Invoke(Buffer); // Potentially problematic in combination with the lock if the callback is not quick
+                    }
+
+                    Buffer[FWritePos] = data[i + offset];
+                }
+                WriteCompleted?.Invoke(Buffer);
+            }
+        }
+
+        /// <summary>
+        /// Starts reading right after the last write position, which is the oldest value
+        /// </summary>
+        /// <param name="data"></param>
+        /// <param name="offset"></param>
+        /// <param name="count"></param>
+        public void Read(float[] data, int offset, int count)
+        {
+            var readPos = FWritePos;
+            lock (Buffer)
+            {
+                for (int i = 0; i < count; i++)
+                {
+                    if (readPos >= FSize)
+                        readPos = 0;
+
+                    data[i + offset] = Buffer[readPos];
+                    readPos++;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Starts reading right after the last write position, which is the oldest value
+        /// </summary>
+        /// <param name="data"></param>
+        /// <param name="offset"></param>
+        /// <param name="count"></param>
+        public void ReadDouble(double[] data, int offset, int count)
+        {
+            var readPos = FWritePos;
+            lock (Buffer) {
+                for (int i = 0; i < count; i++)
+                {
+                    if (readPos >= FSize)
+                        readPos = 0;
+
+                    data[i + offset] = Buffer[readPos];
+                    readPos++;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Starts reading right after the last write position, which is the oldest value
+        /// </summary>
+        /// <param name="data"></param>
+        /// <param name="offset"></param>
+        /// <param name="count"></param>
+        public void ReadDoubleWindowed(double[] data, double[] window, int offset, int count)
+        {
+            var readPos = FWritePos;
+            lock (Buffer)
+            {
+                for (int i = 0; i < count; i++)
+                {
+                    if (readPos >= FSize)
+                        readPos = 0;
+
+                    data[i + offset] = Buffer[readPos] * window[i + offset];
+                    readPos++;
+                }
+            }
+        }
+    }
+
     /// <summary>
     /// A very basic circular buffer implementation
     /// </summary>