I could finally hear it in the 24/96 copy of the original stereo mix on the bluray for Amused To Death. I don't hear anything on the CD edition above the shrill squeak of whatever mastering disaster it was treated to. AtD was post-vinyl days more or less and I only had the CD before the bluray. (That CBS edition with the Sony super bit mapping dither on a gold CD even! Which sounded just like the regular edition.) Moot point with the 5.1 remix IMHO.
I have Pros and Cons on vinyl. (Is there a genuine unmolested 24 bit edition of this available yet? Don't think so...) I don't hear any 3D effect on this but I DO hear a VERY well done stereo mix that just hits the 'audiophile' buttons right out of the gate! Best EC has ever sounded on album no matter who you are or what of his you a fan of.
I think you are referring to Q Sound for ATD. Here are the definitions:
Holophonics is a
binaural recording system created by Hugo Zuccarelli that is based on the claim that the human auditory system acts as an
interferometer. It relies on
phase variance, just like
stereophonic sound. The sound characteristics of holophonics are most clearly heard through
headphones, though they can be effectively demonstrated with two-channel stereo speakers, provided that they are phase-coherent. The word "holophonics" is related to "acoustic
hologram". Used on
The Final Cut and
Pros and Cons of Hitchhiking .
QSound is the original name for a positional three-dimensional (3D) sound processing algorithm from
QSound Labs that creates
3D audio effects from multiple monophonic sources and sums the outputs to two channels for presentation over regular stereo speakers. Used on Amused to Death.
I was able to be blown away by QSound when ATD first came out. I sat directly in between large speakers that my dad had and it was really impressive.
I first read about holophonics in the Nick Shaffner book on Pink Floyd, and the headphones never made me feel anything was directional. The explosion on
Get Your Filthy... just sounded loud, not like it flew overhead and exploded in front of me.
I also remember for A Momentary Lapse of Reason there was a reference to "spherical sound". At the time, I read that it was like Holophonics but the emphasis was on speakers rather than headphones. I only remember spherical just sounding really "deep" but no more directional than Holophonics.