pub const BAND_CONVENTION: &str = "power |X_k|^2 summed over active frames per band, divided \
by the power in the bands reported; bands start at 20, 60, 250, 1000, 4000 and 10000 Hz and end \
at the next start or 20 kHz; a band that starts at or above the Nyquist frequency is left out, \
and one that crosses it ends there";Expand description
The convention of the band shares.