Meta class for playing back audio. Can play, loop, pause a scroll through audio. See [AudioStream] and [AudioStreamOggVorbis] for usage. https://godotengine.org/asset-library/asset/526 Return the current value of a playback parameter by name (see [method AudioStream._get_parameter_list]). Set the current value of a playback parameter by name (see [method AudioStream._get_parameter_list]).