Abstract
Another in a series, the present study explores the effect of temporal asynchrony on the perception of part tones within the context of a musical chord. The basic paradigm requires an observer to perform a monaural yes‐no detection task of a tonal signal within Gaussian noise, with signal frequency a random variable. A contralateral frequency cue is provided on each trial prior to the detection interval, enabling an observer to reduce the negative effects on detection performance of such signal frequency uncertainty. The experimental manipulation consists of placing this cue within the context of a three‐element musical chord and varying the onset and offset of the cue component relative to the other components of the chord while monitoring the cue's effectiveness in raising detection performance. Shifts in detection performance from such manipulations indicate that the availability of specific spectral pitch information from a part tone within a musical chord is substantially enhanced by making its onset and/or offset asynchronous with that of the remaining components of the musical chord.
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