From:  The Natural Philosopher <tnp@invalid.invalid>
Date:  27 Oct 2024 19:36:49 Hong Kong Time
Newsgroup:  news.alt119.net/uk.d-i-y
Subject:  

Re: Solar panels and payback

NNTP-Posting-Host:  null

On 27/10/2024 11:21, Graeme wrote:
> In message , Vir Campestris 
>  writes
> 
>> The acoustics in the room were terrible. Someone came up with an 
>> answer. Everyone in the school got an egg tray, and painted it in 
>> colours of their choice. They were then stuck on the walls.
>>
>> It might not stop the sound getting through, but it certainly worked 
>> on the echos.
> 
> Yes, I think the point of egg boxes on the wall was to benefit those 
> inside the room, not those outside.
> 
> Again, many decades ago, a friend had a small recording studio in a 
> spare bedroom of his parents' house, the walls lined with egg boxes 
> which certainly cut down the 'boxy' sound within the room, but did 
> little to deaden the noise outside the room.
> 

That is as expected.

In fact the best way to build a recording studio is inside an airtight 
concrete box suspended on springs and lined with the equivalent of egg 
boxes - if you want complete isolation and totally anechoic, which isn't 
ideal for many recordings.Will stop the neighbours complaining about the 
noise tho.

Concert halls are carefully tuned with multiple reflective surfaces to 
get a pleasant reverberation.





-- 
"It is an established fact to 97% confidence limits that left wing 
conspirators see right wing conspiracies everywhere"