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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 60e4d113a1..4f4d2ea807 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -1034,11 +1034,27 @@ Default type is @samp{bell}. Set processing direction relative to threshold. @table @samp @item downward -Boost or cut if threshhold is higher than detected volume. +Boost/Cut if threshold is higher/lower than detected volume. @item upward -Boost or cut if threshhold is lower than detected volume. +Boost/Cut if threshold is lower/higher than detected volume. @end table Default direction is @samp{downward}. + +@item auto +Automatically gather threshold from detection filter. By default +is @samp{disabled}. +This option is useful to detect threshold in certain time frame of +input audio stream, in such case option value is changed at runtime. + +Available values are: +@table @samp +@item disabled +Disable using automatically gathered threshold value. +@item off +Stop picking threshold value. +@item on +Start picking threshold value. +@end table @end table @subsection Commands |