Acoustics of movie posters

Dave Nibeck

Stunt Coordinator
Joined
Feb 23, 2000
Messages
152
I have a combined family/HT. Three walls are panelling and 1 is brick (an acoustical nightmare).

I built several absorption panels that helped a bit but the WAF was not good. To make matters worse, the wife purchased several movie poster and had mounted in glass frames. She did not want to hear about reflections.

I just found a good source for OC 703 and 705 panels. I am going to remake the absorption panels. The new panels should be about 1/2 the depth of my other ones.

I was trying to think of a way to build poster frames using the 703 as backing.

Will the posters pass enough sound to make this an effective absorber? Has anyone tried this before?
 

Dave Nibeck

Stunt Coordinator
Joined
Feb 23, 2000
Messages
152
I have a combined family/HT. Three walls are panelling and 1 is brick (an acoustical nightmare).

I built several absorption panels that helped a bit but the WAF was not good. To make matters worse, the wife purchased several movie poster and had mounted in glass frames. She did not want to hear about reflections.

I just found a good source for OC 703 and 705 panels. I am going to remake the absorption panels. The new panels should be about 1/2 the depth of my other ones.

I was trying to think of a way to build poster frames using the 703 as backing.

Will the posters pass enough sound to make this an effective absorber? Has anyone tried this before?
 

Ethan Winer

Stunt Coordinator
Joined
Apr 6, 2004
Messages
95
Dave,

> Will the posters pass enough sound to make this an effective absorber? <

Yes, but only for the lower frequencies. At higher frequencies the paper will reflect, and reduce the effectiveness of the rigid fiberglass. But it's still worth doing if the only choices are that or no treatment at all.

--Ethan
 

Ethan Winer

Stunt Coordinator
Joined
Apr 6, 2004
Messages
95
Dave,

> Will the posters pass enough sound to make this an effective absorber? <

Yes, but only for the lower frequencies. At higher frequencies the paper will reflect, and reduce the effectiveness of the rigid fiberglass. But it's still worth doing if the only choices are that or no treatment at all.

--Ethan
 

SteveCallas

Second Unit
Joined
Dec 23, 2003
Messages
475
Wait a minute, are you going to keep the glass over the posters? The glass would cause way more reflections than the paper ever would. In my opinion, movie posters belong in a hall leading to the home theater room, not in it.
 

SteveCallas

Second Unit
Joined
Dec 23, 2003
Messages
475
Wait a minute, are you going to keep the glass over the posters? The glass would cause way more reflections than the paper ever would. In my opinion, movie posters belong in a hall leading to the home theater room, not in it.
 

Dave Nibeck

Stunt Coordinator
Joined
Feb 23, 2000
Messages
152
No, I was not going to leave the glass on. I did not think it would work. Moving the pictures to the hall would displace family photos. That will help my popularity!

Compromises : )
 

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