Robust Voice Activity Detection with Deep Maxout Neural Networks

Valentin Sergeyevich Mendelev, Tatiana Nikolaevna Prisyach and Alexey Alexandrovich Prudnikov

Modern Applied Science, 2015, vol. 9, issue 8, 153

Abstract: Voice activity detection (VAD) under non-stationary noises is a very important task to solve when using a real-life system of automatic speech recognition, especially if a remote microphone is used. Many existing methods do not work well with noise that changes over time or with very low signal-to-noise ratio (SNR). This paper proposes a method based on deep maxout neural networks with dropout regularization. The method is effective even for very low SNR (up to -5dB). The robustness of the method is demonstrated by low FR/FA error rates on a test dataset that was recorded under conditions different from the training dataset.

Date: 2015
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