Hiss 20. A sine wave at 440 Hz, originating from Open Desert. Recorded in a cathedral environment, era: 2020s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1504 — Hiss 20
ID#1504
Rarity
LO:63%
Frequency
440 Hz
X-HI:7%
Wave Type
Sine
X-HI:13%
Resonance
Crystalline
X-HI:5%
Era
2020s
X-HI:6%
Origin
Open Desert