foam baffles and silencing a piano

Jurgen Goering pianoforte at pianofortesupply.com
Tue Oct 28 16:04:12 MST 2008


Wim wrote:
"Seriously, there is nothing that can be done to reduce sound, 
especially with a grand piano...."

No one ever got far with such a defeatist attitude.  Of course there 
are numerous measures that can help to reduce sound, and if they are 
not in your book, maybe they should be...  Not all measures will be 
applicable to every situation, but by picking the ones that are 
feasible, you can mitigate a lot of problems.  Here are a few 
spontaneous ideas:  You can:

- change the room acoustics
- change the way the piano interacts with the room environment
- change the way the piano sounds
- take "social" measures

Room acoustics can be changed by doing something about the decorating.  
Upholstered furniture, window coverings and even pictures on walls can 
help to reduce reverberation and cut down on volume.  Carpet on the 
floor or even an area rug under a grand will make a difference.

Moving the piano to a different position  in the room can help.  If it 
is an upright, place it against a different wall, especially if it was 
standing against the wall adjoining a different apartment.   Perhaps 
the piano can even be moved into a different room so it is not above 
someone's bedroom.  Foam in between the rim braces actually does cut 
down on the sound output.  As does a lid cover, the heavier the better. 
  Isolate the piano acoustically from the floor with special caster 
cups, as has been mentioned.  A practice mute strip can be installed in 
a grand - I have seen it.

The piano can also be voiced down to reduce its power, without turning 
the tone to mush

Finally, it is a good idea to be talking to the neighbors and 
complainants.  Let them know you take their issues seriously.  Find a 
compromise with practice or playing times.  Play scales and exercises 
when they are not at home as to not drive them crazy,  and play your 
"real" pieces at hours when they may be able to hear you.   Let them 
know you have taken measures and steps to reduce the impact of your 
playing.  If push comes to shove, it is always beneficial if you can 
demonstrate that you have shown good will by investing in measures to 
reduce the impact of your playing on others.


I hope this is a bit of food for thought.  Feel free to pick it o=up in 
the next edition of your book...  for a small royalty, of course  :^)

Jurgen Goering

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