(ˈ)bī|n+_- adjective
Etymology: International Scientific Vocabulary bin- + aural
1. also bi·aural (ˈ)bī+ : of or relating to two ears
binaural preception of sound
: involving the use or function of both ears
a binaural stethoscope
2. : of, relating to, or characterized by directional techniques and systems that utilize the actual placement of sound sources (as in sound transmission and recording) to achieve in sound reproduction an effect on the listener of hearing the sound sources in their original positions, so creating the illusion of added dimension and fuller fidelity
binaural broadcasting
a binaural tape recorder
— usually limited to techniques and systems using two separate transmission or recording paths and sometimes limited in sound reproduction to the use of earphones; compare stereophonic
• binaurally adverb