What is the meaning of the word "quadraphony"?

Definitions:

  1. A form of surround sound technology that uses four channels and four speakers to create a more immersive listening experience. copy to clipboard NOUN
    • Many music enthusiasts enjoy quadraphony for its ability to separate different instruments and vocals. copy to clipboard
  2. Audio technology primarily developed and popularized during the 1970s as an advancement over the traditional two-channel stereo sound system. copy to clipboard NOUN
    • Quadraphony technology has evolved over the years, with modern systems offering enhanced fidelity and spatial imaging. copy to clipboard

Synonyms: