124     // Only place the mono input in the front left and right channels.  in CreateTransformationMatrix()
159   // Mix front LR into center.  in CreateTransformationMatrix()
172   // Mix center into front LR.  in CreateTransformationMatrix()
174     // When up mixing from mono, just do a copy to front LR.  in CreateTransformationMatrix()
181   // Mix back LR into: side LR || back center || front LR || front center.  in CreateTransformationMatrix()
194       // Mix back LR into front LR.  in CreateTransformationMatrix()
198       // Mix back LR into front center.  in CreateTransformationMatrix()
204   // Mix side LR into: back LR || back center || front LR || front center.  in CreateTransformationMatrix()
217       // Mix side LR into front LR.  in CreateTransformationMatrix()
221       // Mix side LR into front center.  in CreateTransformationMatrix()
227   // Mix back center into: back LR || side LR || front LR || front center.  in CreateTransformationMatrix()
238       // Mix back center into front LR.  in CreateTransformationMatrix()
243       // Mix back center into front center.  in CreateTransformationMatrix()
249   // Mix LR of center into: front LR || front center.  in CreateTransformationMatrix()
252       // Mix LR of center into front LR.  in CreateTransformationMatrix()
256       // Mix LR of center into front center.  in CreateTransformationMatrix()
262   // Mix LFE into: front center || front LR.  in CreateTransformationMatrix()
265       // Mix LFE into front LR.  in CreateTransformationMatrix()
269       // Mix LFE into front center.  in CreateTransformationMatrix()