English

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Etymology

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From tri- +‎ -n- +‎ aural.

Pronunciation

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Adjective

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trinaural (not comparable)

  1. (rare) Having a third audio channel in addition to the binaural or stereo channels.
    • 1957, Philip K. Dick, Eye in the Sky:
      The Hamilton Trinaural Sound System. Remember the night we dreamed that up? Three cartridges, needles, amplifiers, speakers. Mounted in three rooms. A man in each room, listening to each rig.
    • 1957, High Fidelity, volume 7, numbers 1-6, page 8:
      However, I was informed that some current stereo releases are "trinaural" — three-channel rather than two — and I'd like some information about this. Are these actually three-channel stereo tapes?
    • 2004, Henry H. Mitchell, Black Church Beginnings:
      The talking drum held under the arm had soft sides that yielded three different tonal pitches, high, middle, and low, according to the pressure of the arm. This amounted to a “Morse Code” with three signals — a trinaural rather than a binaural system.

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