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January 2023

Perception of temporal patterns defined by tonal sequences

Journal/Book: J Acoust Soc Am. 1990; 87: 1695-701.

Abstract: This experiment tested how listeners discriminate between the temporal patterns defined by two sequences of tones. Two arrhythmic sequences of n tones were played successively (n = 8, 12, or 16, tone duration = 35 ms, frequency = 1000 Hz), and the listener reported whether the sequences had the same or different temporal patterns. In the first sequence, the durations of the intertone gaps were chosen at random; in the second sequence, the gaps were either (a) the same as the first sequence or (b) chosen at random. Discrimination performance increased with the variability of the gap sequences and decreased with the size of the correlation between the sequences. A discrimination model based on computation of the sample correlation between the sequences of gaps, but limited by an internal variability of approximately 15 ms, described observer performance in a variety of conditions.

Keyword(s): Acoustic Stimulation; Adult ; Psychoacoustics ; Recall Attention ; Music ; Pitch Discrimination; Time Perception Human; Support, U.S. Gov't, Non P.H.S.

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