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Object Hierarchy
GObject ╰── GInitiallyUnowned ╰── GstObject ╰── GstElement ╰── GstBaseTransform ╰── GstAudioFilter ╰── GstAudioInvert
Description
Swaps upper and lower half of audio samples. Mixing an inverted sample on top of the original with a slight delay can produce effects that sound like resonance. Creating a stereo sample from a mono source, with one channel inverted produces wide-stereo sounds.
Example launch line
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gst-launch-1.0 audiotestsrc wave=saw ! audioinvert degree=0.4 ! alsasink gst-launch-1.0 filesrc location="melo1.ogg" ! oggdemux ! vorbisdec ! audioconvert ! audioinvert degree=0.4 ! alsasink gst-launch-1.0 audiotestsrc wave=saw ! audioconvert ! audioinvert degree=0.4 ! audioconvert ! alsasink |
Synopsis
Element Information
plugin |
audiofx |
author |
Sebastian Dröge <slomo@circular-chaos.org> |
class |
Filter/Effect/Audio |
Element Pads
name |
sink |
direction |
sink |
presence |
always |
details |
audio/x-raw, format=(string){ S16LE, F32LE }, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], layout=(string){ interleaved, non-interleaved } |
name |
src |
direction |
source |
presence |
always |
details |
audio/x-raw, format=(string){ S16LE, F32LE }, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], layout=(string){ interleaved, non-interleaved } |
Property Details
The “degree”
property
“degree” gfloat
Degree of inversion.
Flags: Read / Write
Allowed values: [0,1]
Default value: 0