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Hearing in a shoe-box : binaural source position and wall absorption estimation using virtually supervised learning
Abstract : This paper introduces a new framework for supervised sound source localization referred to as virtually-supervised learning. An acoustic shoe-box room simulator is used to generate a large number of binaural single-source audio scenes. These scenes are used to build a dataset of spatial binaural features annotated with acoustic properties such as the 3D source position and the walls' absorption coefficients. A probabilistic high- to low-dimensional regression framework is used to learn a mapping from these features to the acoustic properties. Results indicate that this mapping successfully estimates the azimuth and elevation of new sources, but also their range and even the walls' absorption coefficients solely based on binaural signals. Results also reveal that incorporating random-diffusion effects in the data significantly improves the estimation of all parameters.
https://hal.inria.fr/hal-01372435
Contributor : Antoine Deleforge Connect in order to contact the contributor
Submitted on : Monday, March 13, 2017 - 5:00:42 PM
Last modification on : Monday, January 10, 2022 - 2:56:01 PM
Long-term archiving on: : Wednesday, June 14, 2017 - 3:03:33 PM
Contributor : Antoine Deleforge Connect in order to contact the contributor
Submitted on : Monday, March 13, 2017 - 5:00:42 PM
Last modification on : Monday, January 10, 2022 - 2:56:01 PM
Long-term archiving on: : Wednesday, June 14, 2017 - 3:03:33 PM
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