What is the meaning of the word "quadraphonic"?

Definitions:

  1. A type of surround sound system that uses four audio channels and speakers positioned in the corners of a room to reproduce signals that are independent of one another. copy to clipboard ADJECTIVE
    • Quadraphonic sound was popularized in the 1970s but faced challenges due to compatibility issues with existing stereo equipment. copy to clipboard
  2. Having sound coming from four different directions. copy to clipboard ADJECTIVE
    • The quadraphonic format offers a greater sense of presence and localization compared to traditional stereo. copy to clipboard
  3. The recording and reproduction of sound over four separate transmission or direct reproduction channels instead of the customary two of a stereo system. copy to clipboard ADJECTIVE
    • The quadraphonic speaker setup creates a more realistic audio environment for home theater systems. copy to clipboard

Synonyms: