From bd5e92ef8ad37d86091ce9d1d89c7cc0f7221ec1 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Sun, 30 Jun 2019 16:35:07 +0200 Subject: avfilter: add deesser audio filter --- doc/filters.texi | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) (limited to 'doc') diff --git a/doc/filters.texi b/doc/filters.texi index 7c355fb1c5..700a76f239 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -3045,6 +3045,42 @@ Optional. It should have a value much less than 1 (e.g. 0.05 or 0.02) and is used to prevent clipping. @end table +@section deesser + +Apply de-essing to the audio samples. + +@table @option +@item i +Set intensity for triggering de-essing. Allowed range is from 0 to 1. +Default is 0. + +@item m +Set amount of ducking on treble part of sound. Allowed range is from 0 to 1. +Default is 0.5. + +@item f +How much of original frequency content to keep when de-essing. Allowed range is from 0 to 1. +Default is 0.5. + +@item s +Set the output mode. + +It accepts the following values: +@table @option +@item i +Pass input unchanged. + +@item o +Pass ess filtered out. + +@item e +Pass only ess. + +Default value is @var{o}. +@end table + +@end table + @section drmeter Measure audio dynamic range. -- cgit v1.2.3