A case study of monaural diplacusis

Sid P. Bacon, Neal F. Viemeister

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

A detailed examination of a case of monaural diplacusis is reported. Low-intensity pure tones presented within a certain frequency range do not sound "pure"; instead, the percept is that of "roughness", "multiple tones" or "beats". In addition, an aftertone is heard upon the cessation of certain tones. Psychophysical experiments (e.g., simultaneous masking, best beats and pitch matching) suggest that the monaural diplacusis results from an interaction between the external tone and an internal tone. The internal tone, however, does not appear to be manifest as a spontaneous oto-acoustic emission.

Original languageEnglish (US)
Pages (from-to)49-56
Number of pages8
JournalHearing Research
Volume19
Issue number1
DOIs
StatePublished - 1985

Keywords

  • aftertone
  • combination tones
  • distortion
  • monaural diplacusis
  • oto-acoustic emission
  • simultaneous masking

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