# Effect Menu: LV2

From Audacity Development Manual
LV2 is a more advanced evolution of the LADSPA plug-in architecture. Note that LV2 effects in Audacity cannot yet display a full graphical interface.

LV2 effects support real-time preview. They do not support import/export of presets but do support saving presets for use in Audacity only.

Most LV2 effects that have a graphical interface will show that interface by default in Audacity. Some LV2 effects do not allow directly embedding their interface into our effect dialog, so those effects will only show a textual interface in Audacity.

Some LV2 effects require features that are not yet supported in Audacity, so display an error message when applying the effect.

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