the.com/reverberation
sound refusing to leave the room on the first invitation.
means the persistence of sound as it bounces off surfaces before fading, measured as the time it takes to decay after the source stops.
from from latin reverberare, to strike back or beat again, originally used for light bouncing off a surface before it settled into acoustics.
rt60 metrictime for sound to drop 60 decibels
cathedral effectstone naves can hold reverb 8+ seconds
studio trickengineers fake it with springs and plates
deadest roomanechoic chambers absorb almost all reflection
for instance
orfield labs minneapolis — guinness record quietest room, 0.000001 seconds rt60
hagia sophia — istanbul dome holds a sung note nearly 11 seconds
abbey road studio two — beatles used its natural reverb on drums since 1960s
grand canyon echo — open air version, delay you can time with a watch