Monaural and binaural loudness of 5-and 200-ms tones in normal and impaired hearing

Shani Whilby, Mary Florentine, Eva Wagner, Jeremy Marozeau

Research output: Contribution to journalJournal articleResearchpeer-review


The difference in level required to match monaural and binaural loudness of 5- and 200-ms tones was measured for listeners with normal and impaired hearing. Stimuli were 1-kHz tones presented at levels ranging from 10 to 90 dB sensation level. Sixteen listeners (eight normal and eight with losses of primarily cochlear origin) made loudness matches between equal-duration monaural and binaural tones using an adaptive 2AFC procedure. The present results corroborate existing data for 200-ms tones in normal listeners and provide new data for 5-ms tones. On average, the binaural level difference required for equal loudness of monaural and binaural tones is about the same for 5- and 200-ms tones of equal level and changes as a function of level. The group data for normal and impaired listeners are in reasonable agreement with data in the literature. However, the data from some of the impaired listeners deviate markedly from the average, indicating that group data do not accurately represent the behavior of all impaired listeners. Derived loudness functions from the loudness-matching data are reasonably consistent with individual data in the literature. (c) 2006 Acoustical Society of America.
Original languageEnglish
JournalJournal of the Acoustical Society of America
Issue number6
Pages (from-to)3931-3939
Publication statusPublished - 2006
Externally publishedYes


  • Acoustic Stimulation
  • Adult
  • Aged
  • Analysis of Variance
  • Auditory Threshold
  • Case-Control Studies
  • Female
  • Hearing Loss
  • Humans
  • Loudness Perception
  • Male
  • Middle Aged
  • Psychoacoustics
  • Signal Processing, Computer-Assisted
  • Time Factors
  • Time Perception
  • Acoustic properties
  • Acoustic waves
  • Adaptive systems
  • Behavioral research
  • Audition
  • accuracy
  • adult
  • aged
  • audiometry
  • auditory stimulation
  • auditory threshold
  • binaural hearing
  • clinical article
  • cochlea
  • conference paper
  • controlled study
  • data analysis
  • female
  • hearing
  • hearing impairment
  • human
  • loudness
  • male
  • medical literature
  • monaural hearing
  • priority journal
  • Binaural loudness
  • Impaired hearing
  • Loudness-matching
  • T
  • binaural loudness
  • monaural loudness
  • impaired hearing ear disease
  • Primates Mammalia Vertebrata Chordata Animalia (Animals, Chordates, Humans, Mammals, Primates, Vertebrates) - Hominidae [86215] human common adult, aged, middle age female, male
  • 12502, Pathology - General
  • 20004, Sense organs - Physiology and biochemistry
  • 20006, Sense organs - Pathology
  • 24500, Gerontology
  • Human Medicine, Medical Sciences
  • cochlea sensory system
  • Otolaryngology

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