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author | Paul B Mahol <onemda@gmail.com> | 2018-03-06 19:47:29 +0100 |
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committer | Paul B Mahol <onemda@gmail.com> | 2018-03-11 13:43:33 +0100 |
commit | 8fb0e51bd198c996b8932735e8002f0952ef1d06 (patch) | |
tree | 0cba68c241f84ab3cdadbb9af8e0c9a657aa0a04 /doc/filters.texi | |
parent | 2536bd863246218631ab27144d8a3be45036445a (diff) | |
download | ffmpeg-streaming-8fb0e51bd198c996b8932735e8002f0952ef1d06.zip ffmpeg-streaming-8fb0e51bd198c996b8932735e8002f0952ef1d06.tar.gz |
avfilter: add drmeter audio filter
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'doc/filters.texi')
-rw-r--r-- | doc/filters.texi | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 7151d4c..bd43a7a 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -2538,6 +2538,21 @@ 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 drmeter +Measure audio dynamic range. + +DR values of 14 and higher is found in very dynamic material. DR of 8 to 13 +is found in transition material. And anything less that 8 have very poor dynamics +and is very compressed. + +The filter accepts the following options: + +@table @option +@item length +Set window length in seconds used to split audio into segments of equal length. +Default is 3 seconds. +@end table + @section dynaudnorm Dynamic Audio Normalizer. |