interaural

adjective

in·​ter·​au·​ral ˌint-ə-ˈrȯr-əl 

1

: situated between or connecting the ears

the interaural plane

2

: of or relating to sound reception and perception by each ear considered separately

responses of auditory neurons to interaural time, phase, and intensity differences

—E. I. Knudsen et al.