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@@ -2733,6 +2733,56 @@ Set input gain level. Allowed range is from 0 to 1. Default value is 1.
This filter supports the all above options as @ref{commands}.
+@section asuperpass
+Apply high order Butterworth band-pass filter.
+
+The filter accepts the following options:
+
+@table @option
+@item centerf
+Set center frequency in Hertz. Allowed range is 2 to 999999.
+Default value is 1000.
+
+@item order
+Set filter order. Available values are from 4 to 20.
+Default value is 4.
+
+@item qfactor
+Set Q-factor. Allowed range is from 0.01 to 100. Default value is 1.
+
+@item level
+Set input gain level. Allowed range is from 0 to 2. Default value is 1.
+@end table
+
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
+@section asuperstop
+Apply high order Butterworth band-stop filter.
+
+The filter accepts the following options:
+
+@table @option
+@item centerf
+Set center frequency in Hertz. Allowed range is 2 to 999999.
+Default value is 1000.
+
+@item order
+Set filter order. Available values are from 4 to 20.
+Default value is 4.
+
+@item qfactor
+Set Q-factor. Allowed range is from 0.01 to 100. Default value is 1.
+
+@item level
+Set input gain level. Allowed range is from 0 to 2. Default value is 1.
+@end table
+
+@subsection Commands
+
+This filter supports the all above options as @ref{commands}.
+
@section atempo
Adjust audio tempo.