Frequency discrimination near masked threshold

Walter H. Jesteadt, Robert C. Bilger

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Frequency DLs (Δf) at 1000 Hz were obtained in quiet and under masking conditions similar to those used in pitch-shift experiments, narrow-band noise at levels of 60, 80, and 100 dB SPL and tones at 15 dB SL or less. The Δfs were obtained by means of a tracking task in which the S controlled the input voltage to a frequency modulator. Characteristic improvement was seen when Δf was plotted as a function of sensation level. However, noise level itself was a significant factor, with more intense noise resulting in larger Δfs for tones of equal sensation level re masked threshold. This departure from previous findings is attributed to the signal and noise levels used, although the possibility exists that it is due to the use of modulated tones.

Original languageEnglish (US)
Pages (from-to)405-408
Number of pages4
JournalPerception & Psychophysics
Volume6
Issue number6
DOIs
StatePublished - Nov 1969

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Sensory Systems
  • Psychology(all)

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