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<title>audiokaraoke: GStreamer Good Plugins 1.0 Plugins Reference Manual</title>
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<link rel="prev" href="gst-plugins-good-plugins-audioinvert.html" title="audioinvert">
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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Top |
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Description |
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Object Hierarchy |
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Properties
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audiokaraoke
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audiokaraoke
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Properties
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gfloat
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filter-band
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Read / Write
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gfloat
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filter-width
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Read / Write
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gfloat
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level
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Read / Write
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gfloat
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mono-level
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Read / Write
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Types and Values
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struct
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GstAudioKaraoke
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Object Hierarchy
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GObject
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╰── GInitiallyUnowned
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╰── GstObject
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╰── GstElement
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╰── GstBaseTransform
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╰── GstAudioFilter
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╰── GstAudioKaraoke
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Description
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Remove the voice from audio by filtering the center channel.
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This plugin is useful for karaoke applications.
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Example launch line
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1
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gst-launch-1.0 filesrc location=song.ogg ! oggdemux ! vorbisdec ! audiokaraoke ! audioconvert ! alsasink
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Synopsis
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Element Information
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plugin
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audiofx
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author
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Wim Taymans <wim.taymans@gmail.com>
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class
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Filter/Effect/Audio
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Element Pads
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name
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sink
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direction
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sink
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presence
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always
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details
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audio/x-raw, format=(string){ S16LE, F32LE }, rate=(int)[ 1, 2147483647 ], channels=(int)2, channel-mask=(bitmask)0x0000000000000003, layout=(string)interleaved
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name
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src
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direction
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source
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presence
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always
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details
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audio/x-raw, format=(string){ S16LE, F32LE }, rate=(int)[ 1, 2147483647 ], channels=(int)2, channel-mask=(bitmask)0x0000000000000003, layout=(string)interleaved
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Functions
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Types and Values
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struct GstAudioKaraoke
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struct GstAudioKaraoke;
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Property Details
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The “filter-band” property
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“filter-band” gfloat
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The Frequency band of the filter.
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Flags: Read / Write
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Allowed values: [0,441]
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Default value: 220
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The “filter-width” property
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“filter-width” gfloat
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The Frequency width of the filter.
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Flags: Read / Write
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Allowed values: [0,100]
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Default value: 100
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The “level” property
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“level” gfloat
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Level of the effect (1.0 = full).
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Flags: Read / Write
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Allowed values: [0,1]
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Default value: 1
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The “mono-level” property
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“mono-level” gfloat
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Level of the mono channel (1.0 = full).
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Flags: Read / Write
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Allowed values: [0,1]
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Default value: 1
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