It was that quiet you could hear a pin drop at time. Unless it was a small, localised incident that wasn't a fair portrayal of the majority of fans.
After sitting in the Lower Gwladys and the Main Stand, I can definitely confirm that you view the game differently depending on where you sit
Sit in the Gwladys and you genuinely think the place is rocking sometimes, but then you watch it back on TV and it really wasn't