  vit_dec = comm.ViterbiDecoder(<span class="keyword">...</span>
0035         <span class="string">'TrellisStructure'</span>, poly2trellis(7, [133 171]), <span class="keyword">...</span>
0036         <span class="string">'InputFormat'</span>, <span class="string">'Unquantized'</span>, <span class="keyword">...</span>
0037         <span class="string">'TracebackDepth'</span>, 96, <span class="keyword">...</span>
0038         <span class="string">'TerminationMethod'</span>, <span class="string">'Continuous'</