From 53df11eb73bdd3fd6c345de6a18958c57406589e Mon Sep 17 00:00:00 2001
From: Werner Robitza <werner.robitza@gmail.com>
Date: Thu, 2 Jan 2014 20:17:56 +0100
Subject: [PATCH] doc/filters/equalizer: add examples for equalizer

Add two examples on the usage of the equalizer filter.
---
 doc/filters.texi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

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.