Has anyone come across this with the Railsim UK/S&C Mark Ones in TS2010? Whether static or moving, interior or exterior view, even sitting in the cab there is an annoying persistent and constant "hiss hiss" sound playing. Sounds a bit like an idling steam engine but whatever it is, there seems to be no way of stopping it. Rather annoying as the coaches are brilliant and by far the best ones with an interior view if you want to take in a route as a passenger.