1 files changed, 0 insertions, 24 deletions
diff --git a/gui/demos/2_iir_echo.cpp b/gui/demos/2_iir_echo.cpp
deleted file mode 100644
index acb5c5d..0000000
--- a/gui/demos/2_iir_echo.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-Sample *process_data(Samples samples)
-{
-	constexpr unsigned int size = samples.size();
-	constexpr unsigned int D = 2000;
-
-	float alpha = readalt() / 4095.;
-
-	static Sample output[size];
-	static Sample prev[D]; // prev[0] = output[0 - D]
-
-	// Do calculations with previous output
-	for (unsigned int i = 0; i < D; i++)
-		output[i] = samples[i] + alpha * (prev[i] - 2048);
-
-	// Do calculations with current samples
-	for (unsigned int i = D; i < size; i++)
-		output[i] = samples[i] + alpha * (output[i - D] - 2048);
-
-	// Save outputs for next computation
-	for (unsigned int i = 0; i < D; i++)
-		prev[i] = output[size - (D - i)];
-
-	return output;
-}