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Noise reduction system using time-delay neural network  

Choi Jae-Seung (Digital Technology Research Center, Kyungpook National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SP / v.42, no.3, 2005 , pp. 121-128 More about this Journal
Abstract
On the research field for speech signal, neural network mainly uses for the category classification in speech recognition and applies to signal processing. Accordingly, this paper proposes a noise reduction system using a time-delay neural network, which implements the mapping from the space of speech signal degraded by noise to the space of clean speech signal. It is confirmed that this method is effective for speech degraded not only by white noise but also by colored noise using the noise reduction system, which restores the amplitude component of fast Fourier transform.
Keywords
Signal processing; Speech recognition; Noise reduction; Time-delay neural network;
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