               (LIST
                                           (LAMBDA (#<span style="color: #b0c4de;">:N912</span>)
                                             (DECLARE (IGNORE #<span style="color: #b0c4de;">:N912</span>))
                                             (SEQ-TEST (1- REP) FREQ AMP
                                                       POS))))))))))
T</pre>

      <p>
        <code>SCALE-ENVELOPE</code>, <code>NORMALIZE-ENVELOPE</code> and
        <code>RESCALE-ENVELOPE</code> are utilities 