code: function() {
              var i, cnt2, temp;
  
              for (i = 0; i < this.overlapLength; i++) {
                  temp = i * (this.overlapLength - i);
                  cnt2 = i * 2;
                  this.pRefMidBuffer[cnt2] = this.pMidBuffer[cnt2] * temp;
                  this.pRefMidBuffer[cnt2 + 1] = this.pMidBuffer[cnt2 + 1] * temp;
              }
          }
docs: Slopes the amplitude of the 'midBuffer' samples so that cross correlation
  is faster to calculate