logbins - calculates the number of linear frequency FFT bins in log10 bins
SYNOPSIS
function logbins( n, inc )
DESCRIPTION
logbins - calculates the number of linear frequency FFT bins in log10 bins
logbins( n, inc )
n = FFT size
inc = log increment
Defaults:
n = 256
inc = log10(2) = log10( freq2 ) - log10( freq1 ) where freq0 = 0 Hz, DC
fs = 44100 samples/s