Based on the provided text, here’s what Holophonics sound is:
**Holophonics** is a kind of **stereo recording system** that is designed to make the listener, particularly when using headphones, **feel as if sounds are moving and rotating around their head.**
It is a type of **3D sound** that aims to create an immersive experience, making the listener feel they are present in the location where the sounds are occurring, even perceiving sounds from specific directions and distances (e.g., behind their head) that don’t physically exist in reality.
**How it works (according to the text):**
The technology leverages the way the human brain naturally processes sound. Our ears and brain interpret subtle differences in **intensity, time delay, and frequency** between sounds reaching our left and right ears to determine the direction, distance, and type of an audio source in our environment.
Holophonics creates its effect by **setting microphones and simulating human hearing models**. This technique produces sounds that can “misunderstand” (trick) the brain into believing in a “distance” or “direction” for sounds that do not actually exist, creating a powerful illusion of three-dimensional space.
**Examples of its use:**
* Pink Floyd in “The Final Cut”
* Roger Waters in “advantages and disadvantages of Otto wow” albums