Set the output channel layout.
@item clev, center_mix_level
-Set center mix level. It is a value expressed in deciBel, and must be
-inclusively included between -32 and +32.
+Set the center mix level. It is a value expressed in deciBel, and must be
+in the interval [-32,32].
@item slev, surround_mix_level
-Set surround mix level. It is a value expressed in deciBel, and must
-be inclusively included between -32 and +32.
+Set the surround mix level. It is a value expressed in deciBel, and must
+be in the interval [-32,32].
@item lfe_mix_evel
Set LFE mix level.
For swr only, set resampling filter size, default value is 32.
@item phase_shift
-For swr only, set resampling phase shift, default value is 10, must be included
-between 0 and 30.
+For swr only, set resampling phase shift, default value is 10, and must be in
+the interval [0,30].
@item linear_interp
Use Linear Interpolation if set to 1, default value is 0.
@end table
@item kaiser_beta
-For swr only, set Kaiser Window Beta value. Must be an integer included between
-2 and 16, default value is 9.
+For swr only, set Kaiser Window Beta value. Must be an integer in the
+interval [2,16], default value is 9.
@end table