Creak. A sine wave at 440 Hz, originating from Urban Grid. Recorded in a membrane environment, era: 2020s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1644 — Creak
ID#1644
Rarity
LO:68%
Frequency
440 Hz
X-HI:7%
Wave Type
Sine
X-HI:13%
Resonance
Viscous
EX:3%
Era
2020s
X-HI:6%
Origin
Urban Grid