[FFmpeg-cvslog] doc/filters: add more compand examples
Paul B Mahol
git at videolan.org
Mon Dec 7 12:29:40 CET 2015
ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Mon Dec 7 12:22:42 2015 +0100| [b6d029c2efea43173c2e53053c1ba89907af9dfd] | committer: Paul B Mahol
doc/filters: add more compand examples
Signed-off-by: Paul B Mahol <onemda at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b6d029c2efea43173c2e53053c1ba89907af9dfd
---
doc/filters.texi | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)
diff --git a/doc/filters.texi b/doc/filters.texi
index 4b8e8de..274532d 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -1823,6 +1823,72 @@ than the signal (making it, in some ways, similar to squelch):
@example
compand=.1|.1:.1|.1:-45.1/-45.1|-45/-900|0/-900:.01:45:-90:.1
@end example
+
+ at item
+2:1 compression starting at -6dB:
+ at example
+compand=points=-80/-80|-6/-6|0/-3.8|20/3.5
+ at end example
+
+ at item
+2:1 compression starting at -9dB:
+ at example
+compand=points=-80/-80|-9/-9|0/-5.3|20/2.9
+ at end example
+
+ at item
+2:1 compression starting at -12dB:
+ at example
+compand=points=-80/-80|-12/-12|0/-6.8|20/1.9
+ at end example
+
+ at item
+2:1 compression starting at -18dB:
+ at example
+compand=points=-80/-80|-18/-18|0/-9.8|20/0.7
+ at end example
+
+ at item
+3:1 compression starting at -15dB:
+ at example
+compand=points=-80/-80|-15/-15|0/-10.8|20/-5.2
+ at end example
+
+ at item
+Compressor/Gate:
+ at example
+compand=points=-80/-105|-62/-80|-15.4/-15.4|0/-12|20/-7.6
+ at end example
+
+ at item
+Expander:
+ at example
+compand=attacks=0:points=-80/-169|-54/-80|-49.5/-64.6|-41.1/-41.1|-25.8/-15|-10.8/-4.5|0/0|20/8.3
+ at end example
+
+ at item
+Hard limiter at -6dB:
+ at example
+compand=attacks=0:points=-80/-80|-6/-6|20/-6
+ at end example
+
+ at item
+Hard limiter at -12dB:
+ at example
+compand=attacks=0:points=-80/-80|-12/-12|20/-12
+ at end example
+
+ at item
+Hard noise gate at -35 dB:
+ at example
+compand=attacks=0:points=-80/-115|-35.1/-80|-35/-35|20/20
+ at end example
+
+ at item
+Soft limiter:
+ at example
+compand=attacks=0:points=-80/-80|-12.4/-12.4|-6/-8|0/-6.8|20/-2.8
+ at end example
@end itemize
@section compensationdelay
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