Abstract
Past studies have indicated that the amplitude-time domain envelope is a cue to pitch. The study by W.R. Thurlow and A. M. Small, Jr. [J. Acoust. Soc. Am. 27, 132–136 (1955)] indicated that the perceived pitch of a narrowly band-limited double pulse train depends on the shortest interval between pulses and not on the center frequency of the passband. They also suggest a temporal shadowing of the delayed pulse. We shall present data on this interval pitch and on the shadowing threshold. We also shall present the results of investigations with amplitude asymmetric wave trains. The relevance of this data to the design of pitch extractors and the distinction between tone pitch and interval pitch will be discussed.
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