GStreamer Good Plugins 1.0 Plugins Reference Manual | ||||
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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