Definitions:

1. A type of surround sound technology. ADJECTIVE
   • The movie theater boasted a quadriphonic setup, enhancing the realism of on-screen action.
2. Refers to a sound system that uses four speakers placed in the four corners of the listening space to reproduce signals that are independent of one another. ADJECTIVE
   • The quadriphonic speakers positioned around the room delivered rich, spatial sound.
3. Refers to a type of sound system that uses four separate channels to produce sound, providing a more immersive audio experience. ADJECTIVE
   • Quadriphonic sound was used in live concerts to create a more immersive experience for the audience.

Synonyms:

• four-channel sound
• quadraphonic
• quadrasonic
• stereo