Trill. A pulse wave at 142 Hz, originating from Forest Edge. Recorded in a corridor environment, era: 2010s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #5138 — Trill
ID#5138
Rarity
LO:60%
Frequency
142 Hz
X-HI:9%
Wave Type
Pulse
X-HI:7%
Resonance
Soft
X-HI:8%
Era
2010s
X-HI:7%
Origin
Forest Edge
X-HI:7%