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Pubmed for Handhelds

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  • Title: Binaural directivity patterns for normal and aided human hearing.
    Author: Sivonen VP.
    Journal: Ear Hear; 2011; 32(5):674-7. PubMed ID: 21552128.
    Abstract:
    OBJECTIVE: The aim of this brief report was to investigate binaural directivity patterns for normal and aided hearing, as opposed to conventional monaural measures. DESIGN: Head-related transfer functions for an artificial head measured at the entrance to the ear canal and above the pinnae and a binaural loudness model for directional sounds were used to estimate binaural directivity patterns for normal human hearing and behind-the-ear (BTE) hearing devices in the horizontal plane. RESULTS: The results show that binaural directivity patterns are smoother than the corresponding monaural patterns, and that there are clear frequency-dependent differences in binaural directivity between the two measurement positions. CONCLUSION: The data can be used in the signal processing of BTE hearing aid systems to mimic the binaural directivity of normal, unoccluded ears.
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