A Convolutional Neural Network Smartphone App for Real-Time Voice Activity Detection

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IEEE - Inst Electrical Electronics Engineers Inc

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Abstract

This paper presents a smartphone app that performs real-time voice activity detection based on convolutional neural network. Real-time implementation issues are discussed showing how the slow inference time associated with convolutional neural networks is addressed. The developed smartphone app is meant to act as a switch for noise reduction in the signal processing pipelines of hearing devices, enabling noise estimation or classification to be conducted in noise-only parts of noisy speech signals. The developed smartphone app is compared with a previously developed voice activity detection app as well as with two highly cited voice activity detection algorithms. The experimental results indicate that the developed app using convolutional neural network outperforms the previously developed smartphone app.

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Keywords

Smartphone app for real-time voice activity detection, convolutional neural network voice activity detector, real-time implementation of convolutional neural network, Mobile apps, Noise, Telecommunication, Smartphones, Neural networks (Computer science)

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"This work was supported by the National Institute of the Deafness and Other Communication Disorders of the National Institutes of Health under Grant 1R01DC015430-01."

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©2018 IEEE

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