Fix FFT dynamic range insufficient

Fix it by moving gain from analysis to synthesis
james34602 · Jun 24, 2022 · 50e8986 · 50e8986
1 parent b8dede7
commit 50e8986
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Showing 2 changed files with 1 addition and 4 deletions.
diff --git a/Plugin/Source/PluginProcessor.cpp b/Plugin/Source/PluginProcessor.cpp
@@ -172,7 172,6 @@ void LiveProgrammableDSP::processBlock(AudioBuffer<float>& buffer, MidiBuffer&)
 {
  // number of samples per buffer
  const int n = buffer.getNumSamples();
- const int pcmChannels = 6;
  // input channels
  const float *inputs[6] = { buffer.getReadPointer(0), buffer.getReadPointer(1), buffer.getReadPointer(2), buffer.getReadPointer(3), buffer.getReadPointer(4), buffer.getReadPointer(5) };
  // output channels

diff --git a/nseel-compiler.c b/nseel-compiler.c
@@ -589,9 589,7 @@ void STFT_DynInit(int32_t *indexFw, float *analysisWnd)
  getAsymmetricWindow(analysisWnd, synthesisWnd, indexFw[0], ovpSmps, indexFw[5] / (float)32767);
  // Pre-shift window function
  for (i = 0; i < indexFw[0] - indexFw[2]; i )
- synthesisWnd[i] = synthesisWnd[i   indexFw[2]];
- for (i = 0; i < indexFw[0]; i )
- analysisWnd[i] *= (1.0f / indexFw[0]) * 0.5f;
  synthesisWnd[i] = synthesisWnd[i   indexFw[2]] * (1.0f / indexFw[0]) * 0.5f;
 }
 int32_t STFTCartesian(float *indexer, float *analysisWnd, float *ptr)
 {