Get a Stream that fires events when AudioProcessingEvents occur.
This particular stream is special in that it only allows one listener to a
given stream. Converting the returned Stream asBroadcast will likely ruin
the soft-real-time properties which which these events are fired and can
be processed.
Source
@DomName('ScriptProcessorNode.onaudioprocess')
@DocsEditable()
@Experimental() // untriaged
Stream<AudioProcessingEvent> get onAudioProcess => audioProcessEvent.forTarget(this);