Before we can tackle "363," we must master the unit: the . Unlike decibels (dB), which measure physical sound pressure, the sone measures perceived loudness . It was proposed by Stanley Smith Stevens in 1936 to create a linear scale for human hearing.
Thus, ≈ 125 dB SPL (at 1 kHz).
, which documented a 3-month-long "cinematic journey" creating a desk-side aquarium. In a different context, "363" refers to a significant career milestone for baseball player John Olerud