I could not hear what she was declaring more than the noise with the planes getting off (= the planes had been louder than her voice). We can use in excess of to be a prefix to suggest ‘an excessive amount of’. We join more than into the term which https://focusz.de/schafwollkissen-hirsekissen-naturkissen-nackenkissen-und-zirbenkissen-eine-naturliche-wahl-fur-gesunden-schlaf/