ns</span>
<span class="sd">    -------</span>
<span class="sd">    y : np.ndarray [shape=(2N+1,)], real - valued</span>
<span class="sd">        Crosscorrelated signal</span>
<span class="sd">    &quot;&quot;&quot;</span>
    <span class="c1"># cross correlation is essentially the same as convolution with the first signal being reverted. In principle, we</span>
    <span class="c1"># also need to take the complex conjugate of the reversed x, but since audio signals are real valued, we can skip</span>
    <s