To me using two different headphones, open-back electrostatics and Etymotic
in-ear buds, both gave a through the head 1 dimensional sound stage. This in
spite of the narrative that was clearly intended to steer one into believing
the sound stage was 3 dimensional. So, din't work for me. Thought
What's interesting is that the demo is actually totally cheating. It relies
on cognitive cues, perhaps even more than on presenting realistic stimuli.
It does this in two ways:
Firstly, it extensively uses symbolism, through language, to create
expectations of spatial experience... now over here