equalizer-3bands

equalizer-3bands — Direct Form 3 band IIR equalizer

Synopsis

struct              GstIirEqualizer3Bands;

Object Hierarchy

  GObject
   +----GInitiallyUnowned
         +----GstObject
               +----GstElement
                     +----GstBaseTransform
                           +----GstAudioFilter
                                 +----GstIirEqualizer
                                       +----GstIirEqualizer3Bands

Implemented Interfaces

GstIirEqualizer3Bands implements GstChildProxy and GstPreset.

Properties

  "band0"                    gdouble               : Read / Write
  "band1"                    gdouble               : Read / Write
  "band2"                    gdouble               : Read / Write

Description

The 3-band equalizer element allows to change the gain of a low frequency, medium frequency and high frequency band.

Example launch line

1
gst-launch-1.0 filesrc location=song.ogg ! oggdemux ! vorbisdec ! audioconvert ! equalizer-3bands band1=6.0 ! alsasink
This raises the volume of the 2nd band, which is at 1110 Hz, by 6 db.

Synopsis

Element Information

plugin

equalizer

author

Stefan Kost <ensonic@users.sf.net>

class

Filter/Effect/Audio

Element Pads

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

Details

struct GstIirEqualizer3Bands

struct GstIirEqualizer3Bands;

Property Details

The "band0" property

  "band0"                    gdouble               : Read / Write

gain for the frequency band 100 Hz, ranging from -24.0 to +12.0.

Allowed values: [-24,12]

Default value: 0


The "band1" property

  "band1"                    gdouble               : Read / Write

gain for the frequency band 1100 Hz, ranging from -24.0 to +12.0.

Allowed values: [-24,12]

Default value: 0


The "band2" property

  "band2"                    gdouble               : Read / Write

gain for the frequency band 11 kHz, ranging from -24.0 to +12.0.

Allowed values: [-24,12]

Default value: 0