><span class="n">snr_threshold</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="ow">and</span> <span class="n">snr</span><span class="p">[</span><span class="n">i</span><span class="p">,</span><span class="mi">3</span><span class="p">]</span><span class="o">&gt;</span><span class="n">snr_threshold</span><span class="p">[</span><span class="mi">1</span><span class="p">]:</span>
                    <span class="n">dt_rel0</span><span class="o">.</span><span class="n