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Hearing one's own voice during phoneme vocalization--transmission by air and bone conduction.

Authors
  • Reinfeldt, Sabine
  • Ostli, Per
  • Håkansson, Bo
  • Stenfelt, Stefan
Type
Published Article
Journal
The Journal of the Acoustical Society of America
Publication Date
Aug 01, 2010
Volume
128
Issue
2
Pages
751–762
Identifiers
DOI: 10.1121/1.3458855
PMID: 20707445
Source
Medline
License
Unknown

Abstract

The relationship between the bone conduction (BC) part and the air conduction (AC) part of one's own voice has previously not been well determined. This relation is important for hearing impaired subjects as a hearing aid affects these two parts differently and thereby changes the perception of one's own voice. A large ear-muff that minimized the occlusion effect while still attenuating AC sound was designed. During vocalization and wearing the ear muff the ear-canal sound pressure could be related to the BC component of a person's own voice while the AC component was derived from the sound pressure at the entrance of an open ear-canal. The BC relative to AC sensitivity of one's own voice was defined as the ratio between these two components related to the ear-canal sound pressure at hearing thresholds for BC and AC stimulation. The results of ten phonemes showed that the BC part of one's own voice dominated at frequencies between 1 and 2 kHz for most of the phonemes. The different phonemes gave slightly different results caused by differences during vocalization. However, similarities were seen for phonemes with comparable vocalization.

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