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Implementation of Immersive Audio Applications using Robust Adaptive Beamforming and Wave Field Synthesis

An immersive audio system oriented to future communication applications is presented. The aim is to build a system where the acoustic field of a chamber is recorded using a microphone array and then is reconstructed or rendered again, in a different chamber using loudspeaker array based techniques. Our proposal relays on recent robust adaptive beamforming techniques and joint audio-video source localization for effectively estimating the original sources of the emitting room. The estimated source and the source localization information drive a Wave Field Synthesis engine that renders the acoustic field again at the receiving chamber. The overall system performance is tested using a MUSHRA-based subjective test in a real situation.

Authors: Beracoechea, Jon Ander; Casajus, Javier; García, Lino; Ortiz, Luis; Torres-Guijarro, Soledad
Affiliation: Universidad Politécnica de Madrid
AES Convention:120 (May 2006) Paper Number:6710 Import into BibTeX
Subject:Multichannel Sound

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