I think not, unless first-generation Coordinators were fixated on genes for particularly superhuman hearing.

[ That touch is a bit distracting, but he can't really complain when he was doing the same thing to Gil's chest a moment earlier. ]

You can't rule out distance.

[ Is it a quasi-scientific observation or an invitation to stay like this? Both, given that Rau still can't be bothered to get up. If Gil stopped talking, Rau might be bored, but he also might just fall asleep. ]