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audioinvert

audioinvert

Properties

gfloat degree Read / Write

Types and Values

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 }

Functions

Types and Values

struct GstAudioInvert

struct GstAudioInvert;

Property Details

The “degree” property

  “degree”                   gfloat

Degree of inversion.

Flags: Read / Write

Allowed values: [0,1]

Default value: 0

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