Inherits: AudioEffectFilter < AudioEffect < Resource < RefCounted < Object
Adds a high-shelf filter to the audio bus.
Reduces all frequencies above the AudioEffectFilter.cutoff_hz.
© 2014–present Juan Linietsky, Ariel Manzur and the Godot community
Licensed under the Creative Commons Attribution Unported License v3.0.
https://docs.godotengine.org/en/4.2/classes/class_audioeffecthighshelffilter.html