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    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseTransform
                    ╰── GstAudioFilter
                        ╰── GstIirEqualizer
                            ╰── GstIirEqualizer3Bands
The 3-band equalizer element allows to change the gain of a low frequency, medium frequency and high frequency band.
| 1 | gst-launch-1.0 filesrc location=song.ogg ! oggdemux ! vorbisdec ! audioconvert ! equalizer-3bands band1=6.0 ! alsasink | 
| plugin | equalizer | 
| author | Stefan Kost <ensonic@users.sf.net> | 
| class | Filter/Effect/Audio | 
| name | sink | 
| direction | sink | 
| presence | always | 
| details | audio/x-raw, format=(string){ S16LE, F32LE, F64LE }, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ], layout=(string)interleaved | 
| name | src | 
| direction | source | 
| presence | always | 
| details | audio/x-raw, format=(string){ S16LE, F32LE, F64LE }, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ], layout=(string)interleaved | 
“band0” property  “band0”                    gdouble
gain for the frequency band 100 Hz, ranging from -24.0 to +12.0.
Flags: Read / Write
Allowed values: [-24,12]
Default value: 0
“band1” property  “band1”                    gdouble
gain for the frequency band 1100 Hz, ranging from -24.0 to +12.0.
Flags: Read / Write
Allowed values: [-24,12]
Default value: 0