shithub: ft²

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Update ft2_windowed_sinc.c

--- a/src/mixer/ft2_windowed_sinc.c

+++ b/src/mixer/ft2_windowed_sinc.c

@@ -19,7 +19,7 @@

 // zeroth-order modified Bessel function of the first kind (series approximation)

 static inline double besselI0(double z)

 {

-#define EPSILON (1E-15) /* lower than this gives no accuracy benefits (verified), just slower compute time */

+#define EPSILON (1E-15) /* lower than this gives no accuracy benefits (verified) */

 	double s = 1.0, ds = 1.0, d = 2.0;

 	const double zz = z * z;

@@ -96,7 +96,7 @@

 	// Kaiser-Bessel (window) beta (could maybe use some further tweaking)

 	const double b1 = 9.6;

 	const double b2 = 8.5;

-	const double b3 = 7.0;

+	const double b3 = 7.3;

 	// sinc low-pass cutoff (could maybe use some further tweaking)

 	const double c1 = 1.000;

-- 

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