                 (ash (pvbuffer-fft-size pvbuf) -1))))
    (foreach-channel (cout (* wet (part-convolve in pvbuf))))))

<span class="prompt">SCRATCH&gt;</span> (pconv-test *btest* *auditorium* .3 .08 <span style="color: #b0c4de;">:id</span> 1)

<span style="color: #ff7f24;">;;; </span><span style="color: #ff7f24;">It is possible to change the PVBUFFER during the playback:</span>

(<span style="color: #8deeee;">defvar</span> <span style="color: #eedd82;">*grotte-frasassi*</span>
  (make-part-convolve-buffer 