OctaveFilterBank¶

class acoular.tprocess.OctaveFilterBank¶

Bases: FilterBank

Octave or third-octave filter bank

lband = Int(21,  …¶

Lowest band center frequency index; defaults to 21 (=125 Hz).

hband = Int(40,  …¶

Lowest band center frequency index + 1; defaults to 40 (=8000 Hz).

fraction = Trait('Octave', {'Octave':1, 'Third octave':3},  …¶

Octave fraction: ‘Octave’ or ‘Third octave’; defaults to ‘Octave’.

ba = Property( depends_on = ['lband', 'hband', 'fraction', 'source.digest'])¶

List of filter coefficients for all filters

bands = Property(depends_on = ['lband', 'hband', 'fraction'])¶

List of labels for bands

numbands = Property(depends_on = ['lband', 'hband', 'fraction'])¶

Number of bands