Ventilation system with heat recovery - Where to place the ventilation inlets?

Hello everyone,
we have decided on a controlled residential ventilation system with heat recovery for our planned new building.

The ventilation inlets can be installed in the floor, the side walls, or the ceiling.
For aesthetic reasons, we would prefer to relocate the inlets to the ceiling.
However, our architect mentioned that the noise development or noise transmission from other rooms is greater with ceiling inlets. This means that if there are loud children playing in the children's room, the noises would essentially be transmitted to the neighboring rooms.

Can anyone confirm this?

We have them in the ceiling. We have a wooden beam ceiling. You don't hear the children "screaming" while playing, but you do hear the footsteps / jumping from above. Whether that's due to the ventilation ducts or the wooden ceiling, I can't tell you.

There are different versions:

One is a star-shaped distribution where everything is distributed from a single silencer. I have this version; nothing is transmitted through the pipes. I hear children crying through the door, I hear nothing through the ventilation.

Then there is another type of distribution where all are in series and silencers are placed between the rooms. These should be smaller and therefore worse. But I can't say anything about it from my own experience.