Specify which channels to filter, by default all available are filtered.
@end table
+@subsection Commands
+
+This filter supports the following commands:
+@table @option
+@item frequency, f
+Change allpass frequency.
+Syntax for the command is : "@var{frequency}"
+
+@item width_type, t
+Change allpass width_type.
+Syntax for the command is : "@var{width_type}"
+
+@item width, w
+Change allpass width.
+Syntax for the command is : "@var{width}"
+@end table
+
@section aloop
Loop audio samples.
Specify which channels to filter, by default all available are filtered.
@end table
+@subsection Commands
+
+This filter supports the following commands:
+@table @option
+@item frequency, f
+Change bandpass frequency.
+Syntax for the command is : "@var{frequency}"
+
+@item width_type, t
+Change bandpass width_type.
+Syntax for the command is : "@var{width_type}"
+
+@item width, w
+Change bandpass width.
+Syntax for the command is : "@var{width}"
+@end table
+
@section bandreject
Apply a two-pole Butterworth band-reject filter with central
Specify which channels to filter, by default all available are filtered.
@end table
+@subsection Commands
+
+This filter supports the following commands:
+@table @option
+@item frequency, f
+Change bandreject frequency.
+Syntax for the command is : "@var{frequency}"
+
+@item width_type, t
+Change bandreject width_type.
+Syntax for the command is : "@var{width_type}"
+
+@item width, w
+Change bandreject width.
+Syntax for the command is : "@var{width}"
+@end table
+
@section bass
Boost or cut the bass (lower) frequencies of the audio using a two-pole
Specify which channels to filter, by default all available are filtered.
@end table
+@subsection Commands
+
+This filter supports the following commands:
+@table @option
+@item frequency, f
+Change bass frequency.
+Syntax for the command is : "@var{frequency}"
+
+@item width_type, t
+Change bass width_type.
+Syntax for the command is : "@var{width_type}"
+
+@item width, w
+Change bass width.
+Syntax for the command is : "@var{width}"
+
+@item gain, g
+Change bass gain.
+Syntax for the command is : "@var{gain}"
+@end table
+
@section biquad
Apply a biquad IIR filter with the given coefficients.
and @var{channels}, @var{c} specify which channels to filter, by default all
available are filtered.
+@subsection Commands
+
+This filter supports the following commands:
+@table @option
+@item a0
+@item a1
+@item a2
+@item b0
+@item b1
+@item b2
+Change biquad parameter.
+Syntax for the command is : "@var{value}"
+@end table
+
@section bs2b
Bauer stereo to binaural transformation, which improves headphone listening of
stereo audio records.
@end example
@end itemize
+@subsection Commands
+
+This filter supports the following commands:
+@table @option
+@item frequency, f
+Change equalizer frequency.
+Syntax for the command is : "@var{frequency}"
+
+@item width_type, t
+Change equalizer width_type.
+Syntax for the command is : "@var{width_type}"
+
+@item width, w
+Change equalizer width.
+Syntax for the command is : "@var{width}"
+
+@item gain, g
+Change equalizer gain.
+Syntax for the command is : "@var{gain}"
+@end table
+
@section extrastereo
Linearly increases the difference between left and right channels which
Specify which channels to filter, by default all available are filtered.
@end table
+@subsection Commands
+
+This filter supports the following commands:
+@table @option
+@item frequency, f
+Change highpass frequency.
+Syntax for the command is : "@var{frequency}"
+
+@item width_type, t
+Change highpass width_type.
+Syntax for the command is : "@var{width_type}"
+
+@item width, w
+Change highpass width.
+Syntax for the command is : "@var{width}"
+@end table
+
@section join
Join multiple input streams into one multi-channel stream.
@end example
@end itemize
+@subsection Commands
+
+This filter supports the following commands:
+@table @option
+@item frequency, f
+Change lowpass frequency.
+Syntax for the command is : "@var{frequency}"
+
+@item width_type, t
+Change lowpass width_type.
+Syntax for the command is : "@var{width_type}"
+
+@item width, w
+Change lowpass width.
+Syntax for the command is : "@var{width}"
+@end table
+
@section lv2
Load a LV2 (LADSPA Version 2) plugin.
Specify which channels to filter, by default all available are filtered.
@end table
+@subsection Commands
+
+This filter supports the following commands:
+@table @option
+@item frequency, f
+Change treble frequency.
+Syntax for the command is : "@var{frequency}"
+
+@item width_type, t
+Change treble width_type.
+Syntax for the command is : "@var{width_type}"
+
+@item width, w
+Change treble width.
+Syntax for the command is : "@var{width}"
+
+@item gain, g
+Change treble gain.
+Syntax for the command is : "@var{gain}"
+@end table
+
@section tremolo
Sinusoidal amplitude modulation.