pub const BAND_EDGE_MARGIN_DB: Decibels;Expand description
The margin above the noise floor that the fallback band-edge rule needs.
The fallback serves a spectrum without a steep fall. A cut can leave a shelf of noise above it, which a small margin reads as content; with a shelf 60 dB down above a 16 kHz cut this margin still misses the cut by 3.2 semitones, which is why the steep-fall rule comes first.