Validation of realistic acoustic environments for listening tests using directional hearing AIDS

Chris Oreinos, Jorg Buchholz

    Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

    3 Citations (Scopus)

    Abstract

    Assessing the real-life benefit of hearing devices inside realistic acoustic environments (RAEs) has long been desired. However, no verified methods exist in literature. This study compares the short-time SNRbenefit provided by two multi-microphone directional hearing aid strategies (fixed cardioid & binaural beamformer) operating inside: (1) a real room; (2) the real room environment generated using room acoustics modelling; (3) the real room environment reconstructed using a 4/7 Mixed-Order Ambisonics system. The modelled RAE (2), compared to the real room (1), incurs small median SNRbenefit errors (<2 dB), although the short-time errors are much larger (up to ±10 dB). The Ambisonics-coded RAE (3), compared to the modelled RAE (2), incurs smaller median errors (<1 dB), while also preserving the short-time values remarkably well. The encouraging results require experimental verification with subjective measures (e.g., speech reception threshold benefit).

    Original languageEnglish
    Title of host publication2014 14th International Workshop on Acoustic Signal Enhancement, IWAENC 2014
    Place of PublicationPiscataway, NJ
    PublisherInstitute of Electrical and Electronics Engineers (IEEE)
    Pages188-192
    Number of pages5
    ISBN (Electronic)9781479968084
    DOIs
    Publication statusPublished - 11 Nov 2014
    Event2014 14th International Workshop on Acoustic Signal Enhancement, IWAENC 2014 - Juan-les-Pins, France
    Duration: 8 Sep 201411 Sep 2014

    Other

    Other2014 14th International Workshop on Acoustic Signal Enhancement, IWAENC 2014
    CountryFrance
    CityJuan-les-Pins
    Period8/09/1411/09/14

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