とりあえず、プログラムだけ。 function yn=fftfilter(xn, blocksize) index = 1; zeropad = [1:blocksize] - [1:blocksize]; w = window( 'hn', blocksize ) [h, wfm, wfr] = wfir( 'lp', blocksize, [0.1 0.2], 'hn', [0 0]); hsp…