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I just moved into a new house and I'm having an extremely strange sound issue with one of the rooms.

Everything within the room reverberates with a strong metallic sound that appears to originate from the center of the ceiling. It's bad enough that it's literally hard to have a conversation in the room, let alone listen to movies or music.

I've considered the following possibilities:

1. The room is too empty. The only thing on the walls is a pair of heavy drapes, and the only furniture a bed, 2 nightstands, and a console. However, the room next door (same size) has the exact same setup and no discernible reverb.

2. The room is on an outside corner where the cinderblock structure might be the issue. However, the room on the opposite corner does not have this issue and is, in fact, solid enough to be used as my studio.

3. There might be something metal in the crawlspace above the ceiling. If this were the case, it would only be in this room. I haven't been able to check because it's very difficult to get to.

Am I missing something? Where else could I look to diagnose this issue?

Edits:

  • All rooms referenced are carpeted.
  • The room in question is 12' x 10' with a 3' x 3' entry alcove. The second bedroom is of the exact same dimensions. The studio is a more irregular shape (which is why I selected it for a studio).
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    You could throw a heavy rug in the middle of the floor. Unless all your reference rooms are absolutely identical in size, this one just might have all the right dimensions for a nasty standing wave.
    – Tetsujin
    Nov 4, 2022 at 17:45
  • @Tetsujin Good to know that's possible. The rooms are not all perfectly identical, but they ARE carpeted. Will add that to the original post. Nov 4, 2022 at 17:48
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    Hang the rug on one wall, then. Modern very square buildings are just horrible for acoustics. Basically, you have to find the main culprit & kill it. If the frequencies are high enough, you can effectively do that with some form of 'soft furnishing'. Concrete block is very 'spanky', plasterboard/drywall is very 'ringy' Neither are good.
    – Tetsujin
    Nov 4, 2022 at 17:50
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    Please give us the dimensions of the room. I'll bet it's square. Nov 4, 2022 at 18:44
  • @KurtGibson added! The room is not QUITE square, but it's somewhat close? However the second bedroom is identical, just rotated 90°. Nov 4, 2022 at 20:18

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