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authorWerner Robitza <werner.robitza@gmail.com>2014-01-02 20:17:56 +0100
committerStefano Sabatini <stefasab@gmail.com>2014-01-07 21:10:53 +0100
commit53df11eb73bdd3fd6c345de6a18958c57406589e (patch)
tree06e966f01d14c5d2924720fc4608bd73e788b675 /doc
parent2574d62d0dd34df762aa2d80c7d6381918a80ed1 (diff)
downloadffmpeg-53df11eb73bdd3fd6c345de6a18958c57406589e.tar.gz
doc/filters/equalizer: add examples for equalizer
Add two examples on the usage of the equalizer filter.
Diffstat (limited to 'doc')
-rw-r--r--doc/filters.texi15
1 files changed, 15 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index a57996468f..c896edb6b3 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -1395,6 +1395,21 @@ Set the required gain or attenuation in dB.
Beware of clipping when using a positive gain.
@end table
+@subsection Examples
+@itemize
+@item
+Attenuate 10 dB at 1000 Hz, with a bandwidth of 200 Hz:
+@example
+equalizer=f=1000:width_type=h:width=200:g=-10
+@end example
+
+@item
+Apply 2 dB gain at 1000 Hz with Q 1 and attenuate 5 dB at 100 Hz with Q 2:
+@example
+equalizer=f=1000:width_type=q:width=1:g=2,equalizer=f=100:width_type=q:width=2:g=-5
+@end example
+@end itemize
+
@section highpass
Apply a high-pass filter with 3dB point frequency.