matrix4_common.h: Use elliptic filters by default.

Author: bmc0

README.md

@@ -250,8 +250,8 @@ Example:
 		Surround output delay. Default is zero.
 	* `filter_type=filter[:stop_dB[:stop_dB]]` (`matrix4_mb` only)  
 		Type of filter used for low pass sections of the filter bank. `filter`
-		may be `butterworth`, `chebyshev1`, `chebyshev2` (default), or
-		`elliptic`.
+		may be `butterworth`, `chebyshev1`, `chebyshev2`, or `elliptic`
+		(default).
 
 		The optional `stop_dB` parameter(s) set the stopband attenuation in
 		decibels for the Chebyshev and elliptic filters. Only the first

dsp.1

@@ -247,8 +247,8 @@ Surround output delay. Default is zero.
 .TP
 filter_type=\fIfilter\fR[:\fIstop_dB\fR[:\fIstop_dB\fR]] (\fBmatrix4_mb\fR only)
 Type of filter used for low pass sections of the filter bank. \fIfilter\fR
-may be \fIbutterworth\fR, \fIchebyshev1\fR, \fIchebyshev2\fR (default), or
-\fIelliptic\fR.
+may be \fIbutterworth\fR, \fIchebyshev1\fR, \fIchebyshev2\fR, or \fIelliptic\fR
+(default).
 .sp 0.5
 The optional \fIstop_dB\fR parameter(s) set the stopband attenuation in
 decibels for the Chebyshev and elliptic filters. Only the first

matrix4_common.h

@@ -51,7 +51,7 @@
 #define DIR_BOOST_SENS_RISE   0.1
 #define DIR_BOOST_SENS_FALL   0.002
 
-#define FILTER_BANK_TYPE_DEFAULT FILTER_BANK_TYPE_CHEBYSHEV2
+#define FILTER_BANK_TYPE_DEFAULT FILTER_BANK_TYPE_ELLIPTIC
 
 /* fade parameters when toggling effect via signal() */
 #define FADE_TIME 500.0