audiokaraoke

audiokaraoke — Removes voice from sound

Properties

gfloat filter-band Read / Write
gfloat filter-width Read / Write
gfloat level Read / Write
gfloat mono-level Read / Write

Types and Values

Object Hierarchy

    GObject
    ╰── GstObject
        ╰── GstElement
            ╰── GstBaseTransform
                ╰── GstAudioFilter
                    ╰── GstAudioKaraoke

Description

Remove the voice from audio by filtering the center channel. This plugin is useful for karaoke applications.

Example launch line

1
gst-launch filesrc location=song.ogg ! oggdemux ! vorbisdec ! audiokaraoke ! audioconvert ! alsasink

Synopsis

Element Information

plugin

audiofx

author

Wim Taymans <wim.taymans@gmail.com>

class

Filter/Effect/Audio

Element Pads

name

sink

direction

sink

presence

always

details

audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]

audio/x-raw-float, width=(int)32, endianness=(int)1234, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]

name

src

direction

source

presence

always

details

audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]

audio/x-raw-float, width=(int)32, endianness=(int)1234, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]

Functions

Types and Values

struct GstAudioKaraoke

struct GstAudioKaraoke;

Property Details

The “filter-band” property

  “filter-band”              gfloat

The Frequency band of the filter.

Flags: Read / Write

Allowed values: [0,441]

Default value: 220


The “filter-width” property

  “filter-width”             gfloat

The Frequency width of the filter.

Flags: Read / Write

Allowed values: [0,100]

Default value: 100


The “level” property

  “level”                    gfloat

Level of the effect (1.0 = full).

Flags: Read / Write

Allowed values: [0,1]

Default value: 1


The “mono-level” property

  “mono-level”               gfloat

Level of the mono channel (1.0 = full).

Flags: Read / Write

Allowed values: [0,1]

Default value: 1