What is sound proof?
proofing is possible when the following criteria are satisfied.
source’s airspace is separated from the listener’s airspace.
no physical contact between the 2 mentioned airspace.
vacuum must envelopes either the listener or the source without physical
is not possible in the normal world, so please do not use the term sound
proofed, instead use “Noise,
or Sound” “Insulation,
Reduction or Treatment”..
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