bartlett  generates a bartlett (triangle) window for each dsp block
blackman  generates a blackman window for each dsp block
connes    generates a connes window for each dsp block
cosine    generates a cosine window for each dsp block
gaussian  generates a gaussian window for each dsp block
hamming   generates a hamming (raised cosine) window for each dsp block
hanning   generates a hanning (inverted cosine) window for each dsp block
kaiser    generates a kaiser (exponential decay) window for each dsp block
lanczos   generates a lanczos (sinc) window for each dsp block
welch     generates a welch window for each dsp block
