[FFmpeg-cvslog] doc/filters: fix afftfilt example

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Thu Jan 21 14:42:09 2016 +0100| [73c938dd9f3bc9a04a26d2d75f3c8845c6eed0f1] | committer: Paul B Mahol

doc/filters: fix afftfilt example

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=73c938dd9f3bc9a04a26d2d75f3c8845c6eed0f1
---

 doc/filters.texi |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index 053e229..dd1f203 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -804,9 +804,9 @@ window function will be picked. Default is @code{0.75}.
 
 @itemize
 @item
-Increase first 50 bins by 0.1 and lower all other frequencies by factor of 10:
+Leave almost only low frequencies in audio:
 @example
-afftfilt="1.1*between(b\,0\,49)+0.1*between(b\,50\,f)"
+afftfilt="1-clip((b/nb)*b,0,1)"
 @end example
 @end itemize