ectangular dither
</p></dd>
<dt>&lsquo;<samp class="samp">triangular</samp>&rsquo;</dt>
<dd><p>select triangular dither
</p></dd>
<dt>&lsquo;<samp class="samp">triangular_hp</samp>&rsquo;</dt>
<dd><p>select triangular dither with high pass
</p></dd>
<dt>&lsquo;<samp class="samp">lipshitz</samp>&rsquo;</dt>
<dd><p>select Lipshitz noise shaping dither.
</p></dd>
<dt>&lsquo;<samp class="samp">shibata</samp>&rsquo;</dt>
<dd><p>select Shibata noise shaping dither.
</p></dd>
<dt>&lsquo;<samp class="samp">low_shib