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STATION VISITOR INDEX
| 0 | 7 | 1 | 4 | 2 | 0 |
ANALYSIS REVISION: 1996-01-28 // HARDWARE: SGI INDIGO2 + 486DX2/66
SPECTRAL WATERFALL: 14.2001 Hz SUB-AUDIBLE DBPSK PEAK
dB
0 |................................................
-20 |........*....................................... [Kick Fundamental: 60Hz]
-40 |........|...*................................... [Bassline: 120Hz]
-60 |.*......|...|................................... [14.2001 Hz INFRASOUND LINE]
-80 |.|......|...|................................... [Noise Floor]
+------------------------------------------------
14.2 60 120 250 500 1k 2k 4k 8k Hz
Standard human hearing is generally defined as 20 Hz to 20,000 Hz. Broadcast radio compressors and consumer cassette players routinely attenuate frequencies below 30 Hz to avoid overloading amplifier transformers. So why did Marcus Hale press a phase-locked 14.2001 Hz tone into the master lacquers?
Listeners and independent researchers can monitor and demodulate the carrier in real time: