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@@ -1436,6 +1436,10 @@ single-precision floating-point
16-bit integers
@end table
+@item n
+Normalize filter coefficients, by default is enabled.
+Enabling it will normalize magnitude response at DC to 0dB.
+
@item mix
How much to use filtered signal in output. Default is 1.
Range is between 0 and 1.