Keep in mind that a ceiling and especially a floor connected with the walls, could render all the sound reduction of the walls useless. Apartments in new buildings usually provide very good sound reduction for regular usage of an apartment, but even this often gets broken, if the residents do-it-yourself install laminate flooring, since the sound often gets transferred from the laminate flooring to the walls, because the wrong installed laminate flooring has got contact with the walls. To cut it short, sound reduction is full of pitfalls and suffers a lot from the weakest link. IOW the sound reduction that works very well for a friend, might not do it's job in your flat, regarding some hidden pitfall. -- $ pacman -Q linux{,-rt-securityink,-rt,-rt-pussytoes,-rt-cornflower} linux 4.15.4-1 linux-rt-securityink 4.14.20_rt17-1 linux-rt 4.14.12_rt10-1 linux-rt-pussytoes 4.14.8_rt9-2 linux-rt-cornflower 4.11.12_rt16-1 _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user