% splits frequency domain into 'bands' number of bands and then boosts band number 'index' by 'boost'
function Y = equalizer(realF,bands,index,boost);
lf = length(realF);
band_size = floor(lf/bands);
Y = realF;

for i=index*band_size+1:(index+1)*band_size
   Y(i) = realF(i).*boost;
end
