When the sound falls apart at higher volumes

[Avery]

Andrew,

I'm not trying to be a smart a*** here, but would carpet and sound 
absorbing things on the wall improve this?

Avery Todd
University of Houston

At 04:26 PM 6/28/2006, you wrote:
>I recall that this phenomenon has been referred to here.  Have a 
>piano in a rather live environment (tile floors, not much on the 
>walls).  At higher volume playing the tone seems to "go out of 
>focus" and gets rough/harsh.  I've wondered about what causes this 
>and what approaches may be used to tame it.
>
>Would adding impedence to the bridge help this?
>
>Andrew Anderson