Deep Residual Network for Sound Source Localization in the Time Domain

08/20/2018 ∙ by Dmitry Suvorov, et al. ∙ 0

This study presents a system for sound source localization in time domain using a deep residual neural network. Data from the linear 8 channel microphone array with 3 cm spacing is used by the network for direction estimation. We propose to use the deep residual network for sound source localization considering the localization task as a classification task. This study describes the gathered dataset and developed architecture of the neural network. We will show the training process and its result in this study. The developed system was tested on validation part of the dataset and on new data capture in real time. The accuracy classification of 30 m sec sound frames is 99.2 proposed method of sound source localization was tested inside of speech recognition pipeline. Its usage decreased word error rate by 1.14 comparison with similar speech recognition pipeline using GCC-PHAT sound source localization.

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