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CRNN-based joint azimuth and elevation localization with the Ambisonics intensity vector
Abstract : We present a source localization system for first-order Ambisonics (FOA) contents based on a stacked convolutional and recurrent neural network (CRNN). We propose to use as input to the CRNN the FOA acoustic intensity vector, which is easy to compute and closely linked to the sound direction of arrival (DoA). The system estimates the DoA of a point source in both azimuth and elevation. We conduct an experimental evaluation in configurations including reverberation, noise, and various speaker w.r.t. microphone orientations. The results show that the proposed architecture and input allow the network to return accurate location estimates in realistic conditions compared to another recent CRNN-based system.
Cited literature [27 references]
https://hal.inria.fr/hal-01840453
Contributor : Lauréline Perotin <>
Submitted on : Monday, July 16, 2018 - 2:20:05 PM
Last modification on : Wednesday, April 3, 2019 - 1:23:01 AM
Long-term archiving on: : Wednesday, October 17, 2018 - 2:56:17 PM
Contributor : Lauréline Perotin <>
Submitted on : Monday, July 16, 2018 - 2:20:05 PM
Last modification on : Wednesday, April 3, 2019 - 1:23:01 AM
Long-term archiving on: : Wednesday, October 17, 2018 - 2:56:17 PM
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