Technical Program

Paper Detail

Session:Sampling, Extrapolation, and Interpolation
Time:Tuesday, May 18, 15:30 - 17:30
Presentation: Poster
Topic: Signal Processing Theory and Methods: Sampling, Extrapolation, and Interpolation
Authors: Minh N. Do; University of Illinois at Urbana-Champaign 
Abstract: We consider the problem of synthesizing the sound at any desired position andtime from the recording of a set of microphones. Similar to the image-basedrendering approach for vision, we propose a sound-based synthesis approach forsound. In this approach, audio signals at new positions are interpolateddirectly from the recorded signals of nearby microphones. The key underlyingproblems for sound-based synthesis are sampling and reconstruction of the soundfield. We provide a spectral analysis of the sound field under the far-fieldassumption. Based on this analysis, we derive the minimum sampling and optimalreconstruction for several common settings.

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