Pitch of iterated rippled noise

Research output: Contribution to journalArticle

108 Citations (Scopus)

Abstract

Iterated rippled noise (IRN) stimuli are generated by a cascade of delay (d), gain (g), and add networks. The matched pitch of IRN stimuli was determined as a function of the type of network used to generate IRN stimuli, the delay (d = 2, 4, and 8 ms), the number of iterations (n = 1,2,3,4,6,8) of the delay and add networks, and whether the delayed noise was added (g = 1) to or subtracted (g= -1) from the undelayed noise. The matched pitch of IRN stimuli did not depend on the type of network. When g= 1 (addition), the matched pitch did not depend on the number of stages of iterations (n) and was always equal to the reciprocal of the delay (l/d). When g = -1 (subtraction), the match pitch depended on n. When n = 1, the matched pitch of IRN stimuli was ambiguous having two pitches in the region of l/d ± 10%. When n = 8, the match pitch was equal to 1/2d. This change in the pitch occurred between n=2 and 6. The results are discussed in terms of spectral and temporal models of complex pitch processing. A temporal model based on autocorrelation was able to provide quantitative predictions for the pitch of these IRN stimuli. However, a spectral type of model can also account for the pitch of these IRN stimuli.

Original languageEnglish (US)
Pages (from-to)511-518
Number of pages8
JournalJournal of the Acoustical Society of America
Volume100
Issue number1
DOIs
StatePublished - Jul 1 1996
Externally publishedYes

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stimuli
iteration
Stimulus
subtraction
autocorrelation
cascades
predictions
Spectrality
Iteration

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

Cite this

Pitch of iterated rippled noise. / Yost, William.

In: Journal of the Acoustical Society of America, Vol. 100, No. 1, 01.07.1996, p. 511-518.

Research output: Contribution to journalArticle

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