Ding 21. A square wave at 16000 Hz, originating from Subway Tunnel. Recorded in a infinite hall environment, era: 2020s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #2891 — Ding 21
ID#2891
Rarity
HI:17%
Frequency
16000 Hz
EX:1%
Wave Type
Square
X-HI:10%
Resonance
Warm
X-HI:11%
Era
2020s
X-HI:6%
Origin
Subway Tunnel