Plays real-time audio input data.
When used directly in an [AudioStreamPlayer] node, [AudioStreamMicrophone] plays back microphone input in real-time. This can be used in conjunction with [AudioEffectCapture] to process the data or save it.
[b]Note:[/b] [member ProjectSettings.audio/enable_audio_input] must be [code]true[/code] for audio input to work. See also that setting's description for caveats related to permissions and operating system privacy settings.
https://github.com/godotengine/godot-demo-projects/tree/master/audio/mic_record