Ændrede standard algoritment til robust

krestenlaust · Dec 19, 2021 · b174130 · b174130
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commit b174130
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Showing 3 changed files with 45 additions and 45 deletions.
diff --git a/Aud.IO.Algorithms/CooleyTukey.fs b/Aud.IO.Algorithms/CooleyTukey.fs
@@ -46,8 +46,8 @@ module CooleyTukey =
 
     let Forward (amplitudes : float array) =
         let N = amplitudes.Length
-        //let window k = Math.Sin(Math.PI * (float k + 0.5) / float N) ** 2.0
-        let window k = 1.0
+        let window k = Math.Sin(Math.PI * (float k + 0.5) / float N) ** 2.0
+        //let window k = 1.0
 
         let X = [| for k in 0..(N-1) -> Complex(amplitudes.[k] * window(k), 0.0) |]
         forwardComputations X
@@ -57,8 +57,8 @@ module CooleyTukey =
         let N = frequencyBins.Length
         let X = backwardComputations (frequencyBins, N)
 
-        //let window k = (1.0 - Math.Sin(Math.PI * (float k + 0.5) / float N)) ** 2.0
-        let window k = 1.0
+        let window k = (1.0 - Math.Sin(Math.PI * (float k + 0.5) / float N)) ** 2.0
+        //let window k = 1.0
 
         [| for k in 0..(N-1) -> X.[k].Real * window(k) |]
 
diff --git a/AudioAnalyzer/FormAnalyzerWindow.Designer.cs b/AudioAnalyzer/FormAnalyzerWindow.Designer.cs
diff --git a/AudioAnalyzer/FormAnalyzerWindow.cs b/AudioAnalyzer/FormAnalyzerWindow.cs
@@ -38,7 +38,7 @@ private void FormAnalyzerWindow_Load(object sender, EventArgs e)
 
             frequencyDomain = new ChartSelectionHelper(chartFrequencyDomain);
 
-            selectedFFTAlgorithm = FFTAlgorithms.HomemadeFFT;
+            selectedFFTAlgorithm = FFTAlgorithms.RobustFFT;
         }
 
         private void UpdateStatusStrip(string msg)