|  |  |  | GStreamer Good Plugins 1.0 Plugins Reference Manual |  | 
|---|---|---|---|---|
| Top | Description | Object Hierarchy | Properties | ||||
GObject +----GInitiallyUnowned +----GstObject +----GstElement +----GstBaseTransform +----GstAudioFilter +----GstAudioInvert
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.
| 1 2 3 | gst-launch-1.0 audiotestsrc wave=saw ! audioinvert invert=0.4 ! alsasink gst-launch-1.0 filesrc location="melo1.ogg" ! oggdemux ! vorbisdec ! audioconvert ! audioinvert invert=0.4 ! alsasink gst-launch-1.0 audiotestsrc wave=saw ! audioconvert ! audioinvert invert=0.4 ! audioconvert ! alsasink | 
| plugin | audiofx | 
| author | Sebastian Dröge <slomo@circular-chaos.org> | 
| class | Filter/Effect/Audio | 
| 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 } | 
"degree" property"degree" gfloat : Read / Write
Degree of inversion.
Allowed values: [0,1]
Default value: 0