doc/filters: specify more axcorrelate design

The typical 1D normalized cross-correlation is not same as 1D windowed normalized cross-correlation.
3 years ago · 95cae4922d
parent 9b17273c77
commit 95cae4922d
1 changed files with 1 additions and 1 deletions
--- a/doc/filters.texi
+++ b/doc/filters.texi
@ -3154,7 +3154,7 @@ ffmpeg -i INPUT -af atrim=end_sample=1000
@end itemize

@section axcorrelate
-Calculate normalized cross-correlation between two input audio streams.
+Calculate normalized windowed cross-correlation between two input audio streams.

 Resulted samples are always between -1 and 1 inclusive.
 If result is 1 it means two input samples are highly correlated in that selected segment.