Hollow Shriek. A sine wave born in Urban Grid, resonating since 1970s. Captured at 40 Hz in a chamber space. One of 350 Legendary echoes — sounds that almost escaped recording.
Name
ECHO #4549 — Hollow Shriek
Owner
0x47Ac1425750562c369E1Ea653E1A4768ee6de4fa
ID#4549
Rarity
X-HI:10%
Frequency
40 Hz
X-HI:5%
Wave Type
Sine
X-HI:13%
Resonance
Absolute
EX:2%
Era
1970s
X-HI:6%
Origin
Urban Grid