A linear peak (0..1, where 1 = 0 dBFS) → display fill (0..1) on a dB scale, linear-in-dB between METER_FLOOR_DB and 0 dBFS. Silence (≤ floor) → 0; 0 dBFS and any over-unity peak → 1.
A linear peak (0..1, where 1 = 0 dBFS) → display fill (0..1) on a dB scale, linear-in-dB between METER_FLOOR_DB and 0 dBFS. Silence (≤ floor) → 0; 0 dBFS and any over-unity peak → 1.