While not directed at me, my personal experience with DH, not CMSS-3D yes the fidelity of the sound goes down a bit but the positional accuracy greatly outweighs the slight drop in detail.
Again, this is gaming, not music. In the competitive sense,. where bullets and footsteps are coming from is far more critical information to the player, than how good bullets and footsteps sound.
And just for clarification, Dolby Headphone and CMSS-3D are completely different technologies, which as expected produce different results. You can't compare apples to oranges and get accurate data.
Edited by Riku540 - 1/21/12 at 3:31pm