The consumer electronic drive to high definition and virtual reality is having a curious, parallel impact on sound. And so it is that Sennheiser now want to market binaural recording to your average smartphone owner – really.
Now, of course, the normal human perception of reality includes both visual depth perception and the ability to localize sound in a 360-degree sphere around the head. That is, provided only one’s eyes and ears are fully functional and each pair is intact, the human brain adapts to these perceptions.
But “3D” visuals and “3D” sounds aren’t themselves directly connected in terms of technology. Firstly, until we begin connecting directly to the human brain, any of the tech billed as 3D is illusory, aimed only at creating sensations that remind us of our normal perception. (And, remarkably, for years even two-dimensional images and monophonic sound sources do a pretty reasonable job!)
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