code: function(pInputPos) {
              var pInput = this._inputBuffer.vector;
              pInputPos += this._inputBuffer.startIndex;
  
              var pOutput = this._outputBuffer.vector,
                  pOutputPos = this._outputBuffer.endIndex,
                  i,
                  cnt2,
                  fTemp,
                  fScale,
                  fi,
                  pInputOffset,
                  pOutputOffset;
  
              fScale = 1 / this.overlapLength;
              for (i = 0; i < this.overlapLength; i++) {
                  fTemp = (this.overlapLength - i) * fScale;
                  fi = i * fScale;
                  cnt2 = 2 * i;
                  pInputOffset = cnt2 + pInputPos;
                  pOutputOffset = cnt2 + pOutputPos;
                  pOutput[pOutputOffset + 0] =
                      pInput[pInputOffset + 0] * fi +
                      this.pMidBuffer[cnt2 + 0] * fTemp;
                  pOutput[pOutputOffset + 1] =
                      pInput[pInputOffset + 1] * fi +
                      this.pMidBuffer[cnt2 + 1] * fTemp;
              }
          }
docs: Overlaps samples in 'midBuffer' with the samples in 'pInput'