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author | Paul B Mahol <onemda@gmail.com> | 2020-04-22 15:29:16 +0200 |
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committer | Paul B Mahol <onemda@gmail.com> | 2020-04-30 12:18:36 +0200 |
commit | c7d8082357965bfd02bc3a8ba6867b36119d2895 (patch) | |
tree | 5ddc0fd7bfa086c68fa3bdb88ec4ca7d92262c37 /doc | |
parent | d817b57d36795b22dc493ef66e3ed14a583cae49 (diff) |
avfilter: add asubboost filter
Diffstat (limited to 'doc')
-rw-r--r-- | doc/filters.texi | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index f8dc02f00d..be224bd5b9 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -2454,6 +2454,45 @@ Number of points where the waveform crosses the zero level axis. Rate of Zero crossings and number of audio samples. @end table +@section asubboost +Boost subwoofer frequencies. + +The filter accepts the following options: + +@table @option +@item dry +Set dry gain, how much of original signal is kept. Allowed range is from 0 to 1. +Default value is 0.5. + +@item wet +Set wet gain, how much of filtered signal is kept. Allowed range is from 0 to 1. +Default value is 0.8. + +@item decay +Set delay line decay gain value. Allowed range is from 0 to 1. +Default value is 0.7. + +@item feedback +Set delay line feedback gain value. Allowed range is from 0 to 1. +Default value is 0.5. + +@item cutoff +Set cutoff frequency in herz. Allowed range is 50 to 900. +Default value is 100. + +@item slope +Set slope amount for cutoff frequency. Allowed range is 0.0001 to 1. +Default value is 0.5. + +@item delay +Set delay. Allowed range is from 1 to 100. +Default value is 20. +@end table + +@subsection Commands + +This filter supports the all above options as @ref{commands}. + @section atempo Adjust audio tempo. |