Max Freq Bias vs. Zero-Padding Factor

$Z_p$	Rect	Hann	Hamm	Black
1	19.127%	1.600%	1.601%	0.664%
2	1.036%	0.163%	0.167%	0.077%
3	0.262%	0.047%	0.048%	0.023%
4	0.105%	0.020%	0.020%	0.010%
5	0.053%	0.010%	0.011%	0.005%

Maximum frequency biases for various zero-padding factors (normalized by $2\pi/M$ ).