The DemoAutoSounds set appears, to my tastes, to be more suited for steam engine / stick rail era routes and does not really fit the present day North American / welded rail scene all that well. Plus, there wasn't much of a distinction between the plenty of jointed rail sounds and the occasional switch frog sounds when crossing a switch. So the problem circles back to how to simply augment switch frog battering noises to the overall competent TS suite of sounds. The prior way OR did it was to use the switch node as a trigger, although with our collection of switches the actual switch node is not necessarily close to the frog. And of course the false triggers from older MSTS route-embedded zero degree nodes.