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
Event40th IEEE International Conference on Acoustics, Speech and Signal Processing - Brisbane, Australia
Duration: 19 Apr 201524 Apr 2015

Conference

Conference40th IEEE International Conference on Acoustics, Speech and Signal Processing
Country/TerritoryAustralia
CityBrisbane
Period19/04/201524/04/2015

Keywords

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

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