I'm using what was designed as a formal dining room as my home office. It's got double pocket doors (hollow core) that don't block much sound, and my kids are noisy. I'm looking for an economical way to block more noise from entering the room.
Filling the existing hollow core doors with cellulose insulation or some other damping material had crossed my mind... but a google search on that suggested that it wouldn't make much difference in terms of sound, and the door hardware would likely have trouble with any additional weight.
It seems like the best bet is going to be to just replace the pocket doors with something like french doors - preferably solid core. I think I'd want to frame out the opening, but not add any additional studs between the inner and outer sheetrock to keep them 'decoupled' (ie, the space in the wall that the pocket doors occupy when they are opened).
Any other simpler options I might be overlooking?