My thoughts are to stick with electric motors powering props/rotors over jet engines. But they still produce a fair bit of noise, however much less than jet tu

My thoughts are to stick with electric motors powering props/rotors over jet engines. But they still produce a fair bit of noise, however much less than jet turbines. My guess is that drone rotor prop design can incorporate noise reduction potential(including shrouds), but they will also have to be balanced against lift/thrust performance and additional weight offsetting payload/range. I can easily imagine a future where residential drone delivery raises considerable concerns over not just safety, but noise, perhaps with associated minimum flight altitude floors to reduce ground signature. But that will have an impact on drone payload/range as well. Possibly an analog debate to electric scooters, lower congestion but higher personal injury rate.