avfilter/af_crystalizer: improve filter description

4 years ago · c1c2e6f968
parent cd97e1ff4d
commit c1c2e6f968
2 changed files with 4 additions and 2 deletions
--- a/doc/filters.texi
+++ b/doc/filters.texi
@ -3682,7 +3682,9 @@ Set output gain. Default is 1.
 This filter supports the all above options as @ref{commands}.

@section crystalizer
-Simple algorithm to expand audio dynamic range.
+Simple algorithm for audio noise sharpening.
+
+This filter linearly increases differences betweeen each audio sample.

 The filter accepts the following options:

--- a/libavfilter/af_crystalizer.c
+++ b/libavfilter/af_crystalizer.c
@ -305,7 +305,7 @@ static const AVFilterPad outputs[] = {

 AVFilter ff_af_crystalizer = {
    .name           = "crystalizer",
-    .description    = NULL_IF_CONFIG_SMALL("Simple expand audio dynamic range filter."),
+    .description    = NULL_IF_CONFIG_SMALL("Simple audio noise sharpening filter."),
    .query_formats  = query_formats,
    .priv_size      = sizeof(CrystalizerContext),
    .priv_class     = &crystalizer_class,