# audioinvert

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

     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

## Hierarchy

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstBaseTransform
                        ╰──GstAudioFilter
                            ╰──audioinvert

## Factory details

Authors: – Sebastian Dröge

Classification: – `Filter/Effect/Audio`

Rank – none

Plugin – audiofx

Package – GStreamer Good Plug-ins

## Pad Templates

### `sink`

    audio/x-raw:
             format: { S16LE, F32LE }
               rate: [ 1, 2147483647 ]
           channels: [ 1, 2147483647 ]
             layout: { (string)interleaved, (string)non-interleaved }

Presence – always

Direction – sink

Object type – GstPad

### `src`

    audio/x-raw:
             format: { S16LE, F32LE }
               rate: [ 1, 2147483647 ]
           channels: [ 1, 2147483647 ]
             layout: { (string)interleaved, (string)non-interleaved }

Presence – always

Direction – src

Object type – GstPad

## Properties

### degree

    “degree” gfloat

Degree of inversion

Flags : Read / Write

Default value : 0

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