|  |  |  | GStreamer Good Plugins 1.0 Plugins Reference Manual |  | 
|---|---|---|---|---|
| Top | Description | Object Hierarchy | Properties | ||||
GObject +----GInitiallyUnowned +----GstObject +----GstElement +----GstBaseTransform +----GstAudioFilter +----GstAudioKaraoke
"filter-band" gfloat : Read / Write "filter-width" gfloat : Read / Write "level" gfloat : Read / Write "mono-level" gfloat : Read / Write
Remove the voice from audio by filtering the center channel. This plugin is useful for karaoke applications.
| 1 | gst-launch-1.0 filesrc location=song.ogg ! oggdemux ! vorbisdec ! audiokaraoke ! audioconvert ! alsasink | 
| plugin | audiofx | 
| author | Wim Taymans <wim.taymans@gmail.com> | 
| class | Filter/Effect/Audio | 
| name | sink | 
| direction | sink | 
| presence | always | 
| details | audio/x-raw, format=(string){ S16LE, F32LE }, rate=(int)[ 1, 2147483647 ], channels=(int)2, channel-mask=(bitmask)0x0000000000000003, layout=(string)interleaved | 
| name | src | 
| direction | source | 
| presence | always | 
| details | audio/x-raw, format=(string){ S16LE, F32LE }, rate=(int)[ 1, 2147483647 ], channels=(int)2, channel-mask=(bitmask)0x0000000000000003, layout=(string)interleaved | 
"filter-band" property"filter-band" gfloat : Read / Write
The Frequency band of the filter.
Allowed values: [0,441]
Default value: 220
"filter-width" property"filter-width" gfloat : Read / Write
The Frequency width of the filter.
Allowed values: [0,100]
Default value: 100
"level" property"level" gfloat : Read / Write
Level of the effect (1.0 = full).
Allowed values: [0,1]
Default value: 1
"mono-level" property"mono-level" gfloat : Read / Write
Level of the mono channel (1.0 = full).
Allowed values: [0,1]
Default value: 1