A Committee of Neural Networks for Automatic Speaker Recognition (ASR) Systems

Viresh Moonasar
Ganesh K. Venayagamoorthy, Missouri University of Science and Technology

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This paper describes how the results of speaker verification systems can be improved and made robust with the use of a committee of neural networks for pattern recognition rather than the conventional single-network decision system. It illustrates the use of a supervised learning vector quantization neural network as the pattern classifier. Linear predictive coding and cepstral signal processing techniques are utilized to form hybrid feature parameter vectors to combat the effect of decreased recognition success with increased group size (number of speakers to be recognized)