Auralization of source radiation pattern synthesized with laser spark room responses

Companion page for the paper accepted and to appear in Journal of Audio Engineering Society, 2016.

Symeon Delikaris-Manias, Javier Gómez Bolaños Joona Eskelinen Ilkka Huhtakallio Edward Hæggström, and Ville Pulkki

Abstract

A method for auralizing arbitrary radiation patterns of acoustic sources inside a real room is presented. The method utilizes laser induced breakdown (LIB) as a point source. In this study we (1) demonstrated the performance of a volumetric array of LIBs for synthesizing arbitrary radiation patterns, (2) auralized the radiation pattern of a loudspeaker and compared the measured and synthesized impulse responses in a reverberant room, and (3) evaluated the method using listening tests. The synthesized room response matched the target response well both in room response reconstruction and in listening tests.

Demos

Instructions: Click on the || button to listen to a single sample. Click on a different case to switch to the corresponind sample for direct comparison.

Angle 1

  • male speech:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)
  • female speech:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)
  • music 1:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)
  • music 2:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)
  • piano:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)
  • guitar:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)
  • nature sounds:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)

Angle 2

  • male speech:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)
  • female speech:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)
  • music 1:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)
  • music 2:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)
  • piano:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)
  • guitar:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)
  • nature sounds:
    reference
    synthesized
    omnidirectional
    omnidirectional (lowpass filtered)

Updated on Thursday May 18, 2016
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