Bloom. A sine wave at 741 Hz, originating from Subway Tunnel. Recorded in a corridor environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0072 — Bloom
ID#72
Rarity
MID:36%
Frequency
741 Hz
X-HI:5%
Wave Type
Sine
X-HI:13%
Resonance
Cold
X-HI:10%
Era
1950s
X-HI:5%
Origin
Subway Tunnel