The Discriminability of Interaural Phase Relations in Two-Component Tones

Abstract
A 2-component tone was presented binaurally, and the interaural phase difference of one of the components was switched alternately from 0[degree]-180[degree]. If the frequency of the inverted component was below 1400 c.p.s. the inversion always produced a perceptible change in the sound. If the frequency of the inverted component was above 1400 c.p.s. the other component had to differ from the inverted component by less than 300 c.p.s. to produce an audible effect.

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