ame="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">---------------------</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">cutoff = cutoff freq in Hz</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">fs = sampling frequency //(e.g. 44100Hz)</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">f = 2 si