A machine-hearing system exploiting head movements for binaural sound localisation in reverberant conditions

Tobias May, Ning Ma, Hagen Wierstorf, Guy Brown

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    Abstract

    This paper is concerned with machine localisation of multiple active speech sources in reverberant environments using two (binaural) microphones. Such conditions typically present a problem for ‘classical’ binaural models. Inspired by the human ability to utilise head movements, the current study investigated the influence of different head movement strategies on binaural sound localisation. A machine-hearing system that exploits a multi-step head rotation strategy for sound localisation was found to produce the best performance in simulated reverberant acoustic space. This paper also reports the public release of a free binaural room impulse responses (BRIRs) database that allows the simulation of head rotation used in this study.
    Original languageEnglish
    Title of host publicationProceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2015)
    PublisherIEEE
    Publication date2015
    Pages2699-2703
    ISBN (Print)9781467369978
    DOIs
    Publication statusPublished - 2015
    Event2015 IEEE International Conference on Acoustics, Speech and Signal Processing - Brisbane, Australia
    Duration: 19 Apr 201524 Apr 2015
    Conference number: 40
    https://icassp2015.org/

    Conference

    Conference2015 IEEE International Conference on Acoustics, Speech and Signal Processing
    Number40
    Country/TerritoryAustralia
    CityBrisbane
    Period19/04/201524/04/2015
    Internet address

    Keywords

    • Head movements
    • Binaural localisation
    • Machine hearing
    • Reverberation
    • Binaural room impulse response

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