p (tick (ifft-output ifft))))))

<span class="prompt">SCRATCH&gt;</span> (hop-size-mod 1024 .5)
<span class="prompt">SCRATCH&gt;</span> (free 0)</pre>

      <p>
        The <code>PVBUFFER</code> structure is used to store a sequence of
        spectral data. For example, an instance of <code>PVBUFFER</code> is
        required by <code>PART-CONVOLVE</code>, a VUG to compute the partitioned
        convolution between a signal and a multi-channel impulse response:
      </p>

      <pre class="src src-lisp"