From d38a223943d12c603c87ce806023ab4f4c0769c9 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Tue, 9 Jan 2018 18:01:44 +0100 Subject: doc/filters: update aiir filter documentation Signed-off-by: Paul B Mahol --- doc/filters.texi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'doc') diff --git a/doc/filters.texi b/doc/filters.texi index 217a2af42b..d29c40080f 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -1085,6 +1085,26 @@ Set output gain. @item f Set coefficients format. Can be @code{tf} - transfer function or @code{zp} - Z-plane zeros/poles. +Default is @code{zp}. + +@item r +Set kind of processing. +Can be @code{d} - direct or @code{s} - serial cascading. Defauls is @code{s}. + +@item e +Set filtering precision. + +@table @option +@item dbl +double-precision floating-point (default) +@item flt +single-precision floating-point +@item i32 +32-bit integers +@item i16 +16-bit integers +@end table + @end table Coefficients in @code{tf} format are separated by spaces and are in ascending -- cgit v1.2.3