Reply 20 of 178, by ZanQuance
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CMSS-3D was "borrowed" from Q-sounds QMSS upmixing code, much like how the current SBX is actually a rebranded THX-TruStudio Pro. A bit of a jab but has Creative ever developed anything of their own "in house" and not recycled tech from prior third party acquisitions? Legitimate question here.
It's not as simple as enabling CMSS-3D, but you can use the AC97codec tweaker (98/ME only) for the Vortex2s with Quad codecs and enable channel cloning, then place the speakers in 3D space using the A3D WinAmp plugin to get the same effect. Video of me playing around with it HERE. XP driver bug wouldn't let me clone the output to the rear speakers, so this is just me panning in Headphone mode. Bandicam recorded the Aureal SuperQuad via line input from CMI8788 soundcard.
With a modern update, there isn't any reason the Vortex2 couldn't clone out the speakers and apply HRTF to each in hardware. I'm not entirely sure but I think this option was planned for the SQ3500 Daughter-boards Dolby AC3 output.
I've decided to start this project off by dissecting the DOS AU30DOS.COM file and get the FM core up to snuff.